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| TommyT-Bone | OK .... Whose Vette Is Not Running Right And Why? | ||
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Chair-man of the bored
 
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I recently noticed that alot of gurus are having some minor glitches with their Corvettes running right or facing some minor adjustments to their tune? Most of these have had recent engine makeovers or major repairs. So what kind of issues are you facing and what do you think will be the solution? Enquiring gurus wanna know. This is not so much a tech question but an issue and resolution question. Right now both my Vettes are up and running. Either would be reliable for a road trip. Same with the 911s for that matter. A/C needs a recharge in one of them. The 928 is in the tear down stage. A long road ahead and lots of rehab going on with that one.
Hey Andy! Hows your Vette running now and what's the latest update on Tamizas? You other guys chime in too. |
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Posted on: 2011/6/12 17:18
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| BillH | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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The Stig Moderator
 
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I have problems with..... the price of gas.
 Mime's been a good car, put an opti in in when I frist got it. Did an alternator, egr valve and oxy sensors and that's all in 5 years. |
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Posted on: 2011/6/12 17:31
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Every man dies but not every man lives. |
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| Ultraman | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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2015 Memorial Day Car Show Winner!
 
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I notice that not a lot of folks have trouble with the L98's unless they have done the 383 with a lot go fast stuff and then it is always the tune. The tuning of these cars seems to me to be more of an art form than a science. Mick has it down to a science I think, but there doesn't seem to be a lot of his caliber around.
I am a little wary of the average tuner out there. |
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Posted on: 2011/6/12 17:41
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2010 Grand Sport Coupe Gone but not forgotten... Vote DeSantis in 2024.... Make the IRS go away... |
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| bogus | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Grand Imperial Pooh-Bah
 
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Mine was caused by a perfect storm of:
1 part rain 1 part broken - bad gas cap 1 part clogged gas filler drain This all equals shitty running car! A new pair of knock sensors, new gas cap, new fuel filter, a couple of tanks of gas and some seafoam finally took care of the problem. |
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Posted on: 2011/6/12 17:41
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The single biggest problem with communication is the illusion that it has taken place. - George Bernard Shaw Education is the best tool to overcome irrational fear. - me |
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| JeffK | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Elite Guru
 
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Workimg my tune... Hopefully that resolves just about everything.
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Posted on: 2011/6/12 21:34
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| 383tpimachine | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Master Guru
 
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My car needs an upgrade to the big 3 and/or stronger alternator.
Also needs a T56 and D44 but those arent needed so much as wanted. |
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Posted on: 2011/6/12 22:17
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1985 Atomic Orange 400YSIT56-Racecar build 1970 El Camino-Awaiting LSX |
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| Matatk | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Webmaster
 
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Hmmm....replacement MAF seems to have solved the big running problem. I think my plugs were fouled though. Still need to tweak the tune. Transmission still needs governor adjusted. Still need to mock up the new exhaust to make it quieter. Other than that it's all good
 Matthew |
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Posted on: 2011/6/13 1:58
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2002 EBM convertible, Magnusson supercharger, cam, headers, etc. 1989 Corvette...RIP |
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| biggrizzly | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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2011 Memorial Day Car Show Winner!
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I think Mick has the tune very close already. I sent him some more scans yesterday. I'm getting ready to put the car back up on jack stands tomorrow evening and pull the transmission harness and double check all the electrical pins and then check the transmission shift cable real good to make sure it is engaging properly. My trans is still not working correctly when in D or OD. I'm thinking that I'm not getting any PCM control... but not really sure. One step at a time.
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Posted on: 2011/6/13 2:17
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Don Haller Corvette Club of America 94Coupe, 383Stroka, PeteK Trans, 3000stall, 3.54rear, Konis and bigger sways. |
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| pianoguy | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Guru Emeritus
 
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Mine is a little better since I swapped the old injectors back in, but it still isn't right. No time to putz with it now, anyway.
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Posted on: 2011/6/13 3:00
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1996 LT4 �Before you criticize someone, you should walk a mile in their shoes. That way when you criticize them, you are a mile away from them and you have their shoes.�- Jack Handey |
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| Matatk | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Webmaster
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Quote:
Did you ever find your (suspected) flywheel vibration? Matthew PS - I forgot I need to fix the AC, too. |
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Posted on: 2011/6/13 3:05
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2002 EBM convertible, Magnusson supercharger, cam, headers, etc. 1989 Corvette...RIP |
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| bogus | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Grand Imperial Pooh-Bah
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Quote:
Don't you hate figuring that out on the first 100F day? |
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Posted on: 2011/6/13 3:12
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The single biggest problem with communication is the illusion that it has taken place. - George Bernard Shaw Education is the best tool to overcome irrational fear. - me |
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| tjpreul | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Elite Guru
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I could take mine on a road trip and be fine. Its the "I can't not fix my car" issue that I have. My new motor is in progress too.
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Posted on: 2011/6/13 3:38
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Vegas wasn't built on winners. '92 auto, MSD, Banski, Taylor wires, SS lines, C5 rims, 3.07 gears, white gauges, seats from a '96. Motor: Forged rotating assy, Probe pistons, CC valvetrain, AFR heads, Procharger P1SC |
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| JeffK | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Elite Guru
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Mick's a busy mofo right now eh?
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Posted on: 2011/6/13 3:47
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| Matatk | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Webmaster
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Quote:
Guilty! Looking forward to seeing the new motor pics! Matthew |
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Posted on: 2011/6/13 11:31
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2002 EBM convertible, Magnusson supercharger, cam, headers, etc. 1989 Corvette...RIP |
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| Matatk | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Webmaster
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Quote:
Seems like it! But he better not be too busy in August for my bbq! |
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Posted on: 2011/6/13 11:31
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_________________
2002 EBM convertible, Magnusson supercharger, cam, headers, etc. 1989 Corvette...RIP |
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| Trae1976 | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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2012 Memorial Day Car Show Winner!
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Mine's running fine as long as I keep feeding it oil.
 I see new valve stem seals in my future.  |
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Posted on: 2011/6/13 11:55
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| pianoguy | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Guru Emeritus
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Quote:
I may give it another shot when I get some time, now that the stumbling from the injector has gotten better. |
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Posted on: 2011/6/13 12:32
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_________________
1996 LT4 �Before you criticize someone, you should walk a mile in their shoes. That way when you criticize them, you are a mile away from them and you have their shoes.�- Jack Handey |
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| j3studio | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Elite Guru
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Mine (Lord help me) is running great. Only a minor Bose issue keeps it from functional perfection ...
... don't count on this state to continue. |
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Posted on: 2011/6/14 0:51
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Grace, 2003 50th Anniversary Convertible |
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| Matatk | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Webmaster
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Quote:
Lol, I already knew it...hence I don't drive it on 100* days! Matthew |
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Posted on: 2011/6/14 2:09
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_________________
2002 EBM convertible, Magnusson supercharger, cam, headers, etc. 1989 Corvette...RIP |
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| movnviolation | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Guru Newb
 
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My heavily modded 89 is running great except at traffic lights, and cruising at lower rpms. Cruising, it pops some, and at lights it smells bad often if sitting long.
I have had it to two (2) tuners. The last one I trailered it into L.A. and he had it a week. He had a lot of vettes in there. He said that is the nature of the beast when you mix cams and computers. It dyno'd at I believe 330 rear wheel and it will probably take a Z06 or equiv. to stay with it. All in all I would drive it anywhere. Fun car! |
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Posted on: 2011/6/14 2:21
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Mods AFR 180 comp. heads w/ heavy springs. TPIS ZZ409 cam w/ 1.6 roller rockers, TPIS long tube headers, Miniram, 52mm throttle body, 24 lb Bosch injectors, Level V TPIS chip |
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| screamin_conure | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Senior Guru
 
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Knock on wood, I think I have exorcised the bulk of the demons in my '92 LT1/A4 with 67k on the clock, and I've been enjoying the heck out of the car lately. I'm still having a very faint little bobble/roughness at idle (I think this is more or less typical of '92s), and I'm not sure if this is a problem or not, but my 1-2 upshifts are really hard, even under light throttle, while the 2-3 and 3-4 are smooth. In every other aspect though, she's runnin' great. Accelerates smooth, cruises smooth, handles well, goes straight, stops straight...what more can I ask for? Heck, with the exception of the traction control, she's mechanically 100% functional.
I'm even getting more and more compliments at gas stations and stop lights too.  |
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Posted on: 2011/6/14 18:08
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Transfer
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| Durango_Boy | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Elite Guru
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Mine gets washed by bikini clad coeds. I would say it's working perfectly.
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Posted on: 2011/6/14 18:19
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Transfer
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| SpectatorRacing | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Elite Guru
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I have problems keeping my oil cool and locking up the rear brakes. Other than that, it's a real "winner".
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Posted on: 2011/6/14 18:52
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_________________
aka Scaryfast |
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Transfer
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| BillH | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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The Stig Moderator
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Quote:
Needs a "real" m/c setup. |
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Posted on: 2011/6/14 21:24
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_________________
Every man dies but not every man lives. |
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Transfer
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| tjpreul | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Elite Guru
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Quote:
Although I have the engine close to complete, it will be awhile before this one is running. Here is the current stage getting ready to be line bored. Attach file:  DSC03276.JPG (344.06 KB) |
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Posted on: 2011/6/15 0:02
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Transfer
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| screamin_conure | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Senior Guru
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Quote:
BTW, the fixes for my issues (high idle, high BLMs) were a replacement ECM (fixed the high idle) and a custom tune (fixed the high BLMs due to non-factory injectors). |
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Posted on: 2011/6/15 0:03
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Transfer
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| captmike13 | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Elite Guru
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I have oil blow by in three cylinders. all on the passenger side. Needs a paint job. The radio works when it wants to.
Other than that it runs great. Fixes. Rebuild motor, paint job and new radio or repair radio at Dr Dons. |
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Posted on: 2011/6/15 0:53
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Transfer
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Mike| Ultraman | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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2015 Memorial Day Car Show Winner!
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Quote:
I'd have to see some pics of that to believe it...... |
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Posted on: 2011/6/15 4:04
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_________________
2010 Grand Sport Coupe Gone but not forgotten... Vote DeSantis in 2024.... Make the IRS go away... |
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| TommyT-Bone | Re: OK .... Whose Vette Is Not Running Right And Why? | ||
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Chair-man of the bored
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Quote:
Oh, he has them .............. [NWS] http://www.corvette-guru.com/modules/ ... id=166550#forumpost166550 |
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Posted on: 2011/6/15 11:15
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Transfer
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