All Posts (vetteoz)
Re: new member - c4 trans swap |
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parriedog49 wrote:CENTRALCOASTER says duel mass fw wont work. why not??? my 383 is 1987 block But you state; "my engine is internal balanced " '87+ 1 pce seal engines are ext balance at rear from factory ,which is what DM flywheel is. You no longer have the stock balance arangement In order to neutral balance a DM your have to get the cast weights machined off risking cutting into the hollow part that contains the dampening fluid. Read http://forums.corvetteforum.com/c4-te ... ywheel-is-oozing-oil.html That is why when modifing a engine you retain the stock balance configuration because you can walk into any shop and get a correct balance flywheel of the shelf (if you can find a new DM these days) http://forums.corvetteforum.com/c4-te ... ass-flywheel-article.html
Posted on: 2009/7/7 23:29
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Re: new member - c4 trans swap |
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Check the backup light switch is working before you put trans in car.
PITA to get atehen installed
Posted on: 2009/7/7 3:22
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Re: Master Clutch Cylinder Mounting Location |
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Flat area on firewall hard up against booster, will get you some pics today.
12.30 AM here
Posted on: 2009/7/3 14:16
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Re: I need some good pictures -- please help! |
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josephf31 wrote: I was hoping for some pictures The location I stated is where it is at; look there first for broken line.The only way you are going to get pics is if someone has the engine out of their car.
Posted on: 2009/7/3 2:54
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Re: I need some good pictures -- please help! |
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josephf31 wrote: On my '90 loom,( 91 should be same ) the vac line comes out at the same loom connection where the wiring running to the A/c switches / blower splits from. First breakout of wires from main loom on firewall ,about a foot along loom from the bulkhead connector. Exposed vac line is approx 6" long if not broken Earlier models are different; tube comes out closer to dist and only about 3" of vac line exposed from harness
Posted on: 2009/7/2 12:33
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Re: 1990 Fuel Pump Relay Location |
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Pull the codes
'90 has the lovely CCM and SIR (airbag ) systems that have to send a data signal to the ECM to fire the injectors (and run pump from memory).
Posted on: 2009/6/29 0:45
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Re: Dana 36 Pinion Seal |
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Is there any movement in the pinion?
If the bearings are bad the pinion could be running out of round opening up the seal.
Posted on: 2009/6/28 8:21
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Re: Borg Warner T5 transmission |
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Quote:
Plus cost of adapter Quote: CentralCoaster wrote: Make it just like a C3 manual 
Posted on: 2009/6/26 2:26
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Re: 86 vette switching an auto trans to a manual transmission |
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Check your PM's
Posted on: 2009/6/25 1:25
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Re: Back up lights... |
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Quote:
[IMG]http://i171.photobucket.com/albums/u309/vetteoz/ZF6.jpg[/IMG]
Posted on: 2009/6/23 14:43
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Re: Back up lights... |
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Auto ; the switch is on the shifter base with the starter inhibitor switch
Manual is on the trans
Posted on: 2009/6/22 15:02
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Re: 86 vette switching an auto trans to a manual transmission |
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Nice thinking .
There have always been complaints in the past as to lack of aftermarket shifters for the 4+3. Your adapter allows you to run any regular tailshaft mount T10 shifter.
Posted on: 2009/6/21 1:08
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Re: 86 vette switching an auto trans to a manual transmission |
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Quote:
Flashman wrote: Don't forget you have to extend the backup switch wiring that was on the auto shifter through the floor to the switch on the reverse selector at the trans. You have to extend the starter inhibitor wiring from the shifter to the switch on the clutch pedal( or just join wires together if you don't want this feature).
Posted on: 2009/6/20 0:08
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Re: 86 vette switching an auto trans to a manual transmission |
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Stock, the O/d is controlled by the computer .As you don't have the manual chip with the O/d programming in your computer all you have to do is run a 12V feed to the O/d solenoid. Fused 12V through a relay controlled by the switch preferable. Most people only use the O/d on the highway anyway.The only feature you lose is the automatic kickdown out of O/d when you floor it ; would have to do it manually.
Posted on: 2009/6/19 16:16
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Re: 86 vette switching an auto trans to a manual transmission |
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Quote:
Not essential for operation , only makes you put it in reverse before removing key
Posted on: 2009/6/18 5:20
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Re: C4 Brake Rotors |
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Full set of OEM factory rotors including 13" fronts $80
http://www.corvetterecycling.com/C4_C ... nt_12_Rear_p/rotorset.htm
Posted on: 2009/6/18 5:17
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Re: All 4 U Joints? |
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jhammons01 wrote: It is not the fitment but the theory that the hole for the zerk weakens the cross that makes people recommend solid u-joints with no zerk
Posted on: 2009/6/17 13:13
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Re: When you order a steering rack... |
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Quote:
There was no Z51 option after '90 so there won't be any listings.
Posted on: 2009/6/16 2:31
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Re: When you order a steering rack... |
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Senior Guru
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Quote:
I dunno - I just looked on rockauto and napa and they only had one part # listed.Matthew RockAuto have both racks listed for the 84-87 cars at least A-1 CARDONE Part # 22112 {[Rack & Pinion] Complete Unit; Remanufactured} w/Heavy Duty Suspension (FE7) w/Sport Handling Package (Z52); A-1 CARDONE Part # 22111 {[Rack & Pinion] Complete Unit; Remanufactured} w/o Heavy Duty Suspension (FE7) w/o Sport Handling Package (Z52); ACDELCO Part # 3616306 More Info {#88990998} (REMAN-RACK & PINION-POWER COMPLETE) LOW RATIO STG, 2 TURNS LOCK TO LOCK AT STG. ACDELCO Part # 3616305 More Info {#88990997} (REMAN-RACK & PINION-POWER COMPLETE) STD. RATIO STG, 2-1/2 TURNS LOCK TO LOCK AT STG.
Posted on: 2009/6/16 0:50
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Re: FlexPlate to Converter problem..... |
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I was originally looking at that in the pic but wasn't sure I was seeing it right. The pads are supposed to face the rear / towards the convertor I have a late ext balance plate here; the counterweight is on the front and the raised pads on the rear as mounted up
Posted on: 2009/6/13 13:51
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Re: Does anyone know how a 4+3 Shifter mounts in the tunnel well |
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Senior Guru
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Quote:
Never thought to take any of mine when I converted to autoBetter buy this also; hard to find http://forums.corvetteforum.com/c4-pa ... le-shifter-plate-new.html
Posted on: 2009/6/13 5:15
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Re: FlexPlate to Converter problem..... |
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No , the convertor pads sit on top of the ring gear by an 1/8" from the inside of the ring gear but back enough from the tooth edge not to hit the starter gear when it engages. Quote: I ordered the TCI 168 tooth dual pattern flexplate that he says the ID is slightly bigger, hence, probably a thinner ring gear. The 168 is a 14" dia flexplate ; will need offset bolt pattern starter unless you have dual pattern mini starter.
Posted on: 2009/6/13 5:13
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Re: FlexPlate to Converter problem..... |
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I have a Art Carr 9.5 on stock 153 tooth factory plate and the convertor pads sit over the ring gear by 1/8"
No interference with starter Remember the flexplate is only 12.5" and the large bolt pattern is 11.5" c/c so no much meat left. In saying that, your convertor has both patterns and your TCI flexplate should have the smaller 10.75" bolt pattern. Which way is the bolt pattern out? There was a 9.75" convertor pattern for "Glides" although nowadays most plates are listed just as small or big pattern
Posted on: 2009/6/13 1:44
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Re: I am trying to understand the Effects of SES 15,22,32 |
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Senior Guru
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Not hard , if you found your way around carbs and dist OK then you have the same functions with EFI , only electronically controlled.Where you used to set your spark advance with weights and springs the ECM does it from a program Lots of good info out there for EFI dummies. simple one on L98 start up http://www.corvettebuyers.com/c4vettes/l98.htm
Posted on: 2009/6/13 1:13
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Re: Does anyone know how a 4+3 Shifter mounts in the tunnel well |
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Senior Guru
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2007/8/6 0:00 Posts:
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Quote:
The auto shifter has a little recess in the top of the tunnel The manual recess includes room for the shift levers to move inside the car itself.
Posted on: 2009/6/13 0:40
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Re: Does anyone know how a 4+3 Shifter mounts in the tunnel well |
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Senior Guru
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2007/8/6 0:00 Posts:
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The shifter itself is mounted in a box accessible only from the top.There is a plate at the front with rubber seals that the shift linkages run through to the trans
Posted on: 2009/6/12 14:14
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Re: Does anyone know how a 4+3 Shifter mounts in the tunnel well |
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Senior Guru
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Regular T10 Completely different arangement.There is no provision on the 4+3 for mounting the shifter to the trans.
Best bet is to find someone local or a wrecking yard and get exact dimensions of tunnel recess. 4+3's have enough problems with shifter alginment without building extra in.
Posted on: 2009/6/12 6:27
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Re: I am trying to understand the Effects of SES 15,22,32 |
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Senior Guru
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2007/8/6 0:00 Posts:
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Quote:
captmike13 wrote: You do these things 100 times then you forget something and have a WTF moment; I'm sure this worked last time 
Posted on: 2009/6/12 4:10
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Re: Does anyone know how a 4+3 Shifter mounts in the tunnel well |
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Senior Guru
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2007/8/6 0:00 Posts:
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Quote:
bogus wrote: Same linkage as old skool but shifter is mounted to side of trans tunnel in a recess.
Posted on: 2009/6/12 4:06
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Re: I am trying to understand the Effects of SES 15,22,32 |
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Senior Guru
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Quote:
There is no code for faultly IAC operation Coolant Temp sensor(CTS ) ; at intake front is the biggy in terms of engine operation. The ECM is programmed to do different functions and nearly all of them have a temp related setting. If the ECM is not seeing the correct actual engine temp then it will not be applying the correct outputs. Say the engine is at operating temp and the CTS is reading low temp then the ECM will be still supplying extra fuel ( like the choke on your BBC ) assuming the engine is not up to temp. Do not be confused about what the temp gauge is reading.This has it's own independent sensor( pass side head, rear) and is not indicative of the reading the ECM is seeing. Like Captmike states above; you will have to reset the "idle" screw back and read adjust TPS /IAC Full details here http://www.corvetteactioncenter.com/k ... rly+C4+TPS+and+Idle+Speed Quote:
Sensor locations.87 -89 One wire units ; LH front is fan switch for 2nd fan if fitted RH rear is gauge sensor. Two wire sensor at front of intake is the CTS
Posted on: 2009/6/12 1:21
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Re: C-Beam "Plates" |
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Many happy campers out there. I have pulled beams out of 2 manual cars were even though the bolts where tightened to spec, the the bolt holes in the beam at trans end were elongated so something ain't holding tight enough.
Posted on: 2009/6/11 7:48
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Re: C-Beam "Plates" |
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Senior Guru
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Same here ,made my own.Made a difference when 4+3 was in the car.
Posted on: 2009/6/11 2:02
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Re: lsx lifter p/n |
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This has been argued around various perf sites. Some say they needed different pushrods because the cup was lower in the lifter body; some say they used stock. LS7 lifters are the only ones GM now lists as the new 'stock replacement' lifters for the LTx and LSx engines, .
Posted on: 2009/6/10 2:02
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Re: 86 vette switching an auto trans to a manual transmission |
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Senior Guru
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2007/8/6 0:00 Posts:
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Quote:
Danspeed1 wrote: The trans swap is bolt in Hardest part is the mount for the shifter as mentioned above.On 4+3 the shifter is mounted on the side of the tunnel; not in the trans like late model cars. Easiest to get tunnel section from 4+3 car and glass it in
Posted on: 2009/6/9 12:28
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Re: 700R4 TC lock-up |
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Missed those :stupidwith:
Posted on: 2009/6/6 4:42
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Re: 700R4 TC lock-up |
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Glad it works as you wanted
Some of the stock TCC lockup parameters . Once at operating temp everything appears speed related.It would appear you get lockup at the set speed ; regardless of how hard you have your foot down The only setting relating to throttle position is the "TPS low MPH coast load limit" set at 3%TPS click on pic [IMG]http://i171.photobucket.com/albums/u309/vetteoz/TCCparameters.jpg[/IMG]
Posted on: 2009/6/5 5:41
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Re: 86 vette switching an auto trans to a manual transmission |
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Senior Guru
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Quote:
The mounting points are there for OE pedal; the hole for the cylinder is not drilled through the firewall. As a note to the shift kitted A4. When I'm in the mood I manually shift both up and down like a stick.Not a lot of driving difference except no clutch to worry about
Posted on: 2009/5/27 3:45
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Re: 86 vette switching an auto trans to a manual transmission |
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Senior Guru
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2007/8/6 0:00 Posts:
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Rebuild trans with right parts and put a quality shift kit in it.
Can then manually shift it when ever you want or drop in D if feeling lazy.Full engine braking on downshifts like a stick Put IN an aftermarket shifter like a B&M Quicksilver rachet and no more missed shifts
Posted on: 2009/5/26 1:18
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Re: No more D44 clutch packs? |
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Senior Guru
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2007/8/6 0:00 Posts:
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Just bought a set off eBay
http://cgi.ebay.com/ebaymotors/DANA-4 ... 65%3A12|39%3A1|240%3A1318 The Posi-Trac unit is listed as same for Viper and C4
Posted on: 2009/5/26 0:59
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Re: School me on balancing |
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Does engine need full build; as in rebore?
If so make a 383. $300 extra for a stroker crank ; zero if you were planning on upgrading crank.You have to buy new pistons anyway to suit rebore
Posted on: 2009/5/5 6:59
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Re: BBK intake? |
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Try five years http://www.thirdgen.org/techboard/tpi ... bbk-tpi-intake-setup.html And Summit are still listing Estimated Ship Date: 5/26/09 A rep from BBK has been posting on the 3rd Gen site justifing why a new intake has such a long "development" time
Posted on: 2009/5/5 4:54
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Re: School me on balancing |
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All SBC are neutral balance at front EXCEPT 400ci
2 pce seal engines are internal balance at rear EXCEPT 400ci 1 pce seal engines (late L98 /LTX ) are external balance at rear; they have a counterweight on the flexplate.This was required because the round crank flange on the 1 pce seal crank didn't allow for the conterweight to be placed there When you rebuild you get the rotating assembly with flexplate and balancer balanced as a complete assembly , preferibly to stock balance configuration.That way you can buy a off the shelf flywheel / flexplate anytime in the future. Forged is nice but the better quality cast steel cranks (SCAT / EAGLE) are supposed to be good for 450Hp.
Posted on: 2009/5/4 14:10
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Re: Which intake is best for ZZ4 longblock??? |
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Quote:
bogus wrote: Don't hold your breath Check the date it was first announced http://www.thirdgen.org/techboard/tpi ... bbk-tpi-intake-setup.html and progress to date. http://www.thirdgen.org/techboard/pos ... sale/4142586-post111.html
Posted on: 2009/5/2 5:24
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Re: 6-point roll cage |
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Check your email
Posted on: 2009/5/2 1:59
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Re: Which intake is best for ZZ4 longblock??? |
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The ZZ4 is only an improved ( stronger ) version of his existing L98 engine ; same 113 head , better cam and springs.
So manifold choice is no different than for L98 The FIRST has the best potential while still retaining long runner setup if he wants to go down that path
Posted on: 2009/5/2 0:26
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Re: Fans only run when... |
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What temp is "maxed out"
Posted on: 2009/5/1 3:40
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Re: Fans only run when... |
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How high do the temps get without fan running?
The fans are factory programmed to run with the A/c on regardless of engine temp
Posted on: 2009/5/1 1:43
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Re: heater hose crossover needed? |
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453
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Same here , removed it and just plugged hole on every one I have had. One less place to leak
Posted on: 2009/4/30 8:23
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Re: Pumpkin swap/u-joints/wheel bearings/suspension junk (PICS!) |
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453
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Quote:
SpectatorRacing wrote: I've never had any trouble. I can only assume it's because you removed the halfshafts and had nothing to resist turning the hub bolt. He got lucky , I have had everything still connected and the the car on the ground with weight on the wheel and still not been able to crack the hub nut loose with 6ft of waterpipe on extention. Had to take whole knuckle to mech and use air gun to loosen
Posted on: 2009/4/30 4:41
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Re: RPO Code Questions |
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Senior Guru
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2007/8/6 0:00 Posts:
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Quote:
Matatk wrote: http://forums.corvetteforum.com/1548980055-post10.html
Posted on: 2009/4/25 8:56
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