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| RonRock | LT1 Timing Set with Electric Water Pump? | ||
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Guru Newb
 
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I am working on my 95 LT1. I have removed the water pump gear drive and plugged the hole in the Timing Cover. So no need for the gear drive on the cam gear. I am trying to decide on a replacement Timing Gear and Chain set. It has been suggested that the Cloyes 9-3145 is a good route, but I have read several threads where the 95 timing cover may need extensive work to get the clearance for the chain.
Is there a better option than the 9-3145? I can do the grinding if necessary, but would rather not. My engine will remain stock other than the Electric Water Pump. |
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Posted on: 2011/5/21 18:12
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| Ultraman | Re: LT1 Timing Set with Electric Water Pump? | ||
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2015 Memorial Day Car Show Winner!
 
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Welcome to the Guru Ron! Hang on, someone with knowledge of that will be tuning in soon I am sure.
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Posted on: 2011/5/21 20:50
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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: LT1 Timing Set with Electric Water Pump? | ||
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Grand Imperial Pooh-Bah
 
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Yea, Ron! Welcome!
 One option for the timing chain is the LT4 setup, but I don't remember how folks got past the cam drive issues. |
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Posted on: 2011/5/21 22:43
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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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| RonRock | Re: LT1 Timing Set with Electric Water Pump? | ||
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Guru Newb
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Thanks for the welcome guys.
Any suggestions how I can find out more about the LT4 setup? |
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Posted on: 2011/5/21 22:49
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| Stl94LT1 | Re: LT1 Timing Set with Electric Water Pump? | ||
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The LT4 Extreme duty timing set will work, but it's about three times the price of the Cloyes. Cloyes makes a 9-1145 timing set that is listed for the same application as the 9-3145. The 9-1145 is ~$57. Any conventional SBC timing set that is listed for an OEM roller cam should work. Summit brand has two, ~$27 and ~$38.
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Posted on: 2011/5/21 23:06
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| RonRock | Re: LT1 Timing Set with Electric Water Pump? | ||
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Guru Newb
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I like the price savings of those options. But more important is that the 9-1145 option would not require the grinding on the timing cover? I would assume that either of the options would work well for me in my stock engine.
What have you guys used? The 3145 worth the effort? Maybe I should just do it and quit thinking so much? |
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Posted on: 2011/5/21 23:14
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| Stl94LT1 | Re: LT1 Timing Set with Electric Water Pump? | ||
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I just looked up the 9-1145 and it is a double roller, would probably require the same clearancing as the 9-3145. I converted my 94 to the Gen II opti using a 95 timing cover and a Cloyes 9-3145. It required very little clearancing. If you do go this route make sure you use the timing cover gasket with the timing cover when checking for clearance.
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Posted on: 2011/5/21 23:21
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| Stl94LT1 | Re: LT1 Timing Set with Electric Water Pump? | ||
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Guru Newb
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The Summit standard timing set probably wouldn't require clearancing and should work fine with a stock engine. But, how long is the engine going to be stock?
 Summit Racing |
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Posted on: 2011/5/21 23:26
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| RonRock | Re: LT1 Timing Set with Electric Water Pump? | ||
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I appreciate the help with this. Been a while since I've been inside an engine. These LT's are all new to me.
Part of my trouble deciding is that I have read that some have had to do a lot of grinding to get the clearance, but others say not much. Knowing my luck it will require a lot. But on the other hand, I do have a 96 timing cover. I can see the way that it is cast would leave more room around the crank gear for clearance. Although it would require plugging the sensor hole (Crank Position Sensor I think) I could TIG in a plug and make it look OK, but probably the same amount of work to make it look good. |
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Posted on: 2011/5/21 23:42
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| Aboatguy | Re: LT1 Timing Set with Electric Water Pump? | ||
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Senior Guru
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I been using Comp Cams double roller timing set on my 95 for about 5 years or so and it did not require clearancing.
Used a cloyes double roller on scranages 92 (converted to 95 front cover) same deal no clearancing required. Mike |
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Posted on: 2011/5/22 0:00
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| bogus | Re: LT1 Timing Set with Electric Water Pump? | ||
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Grand Imperial Pooh-Bah
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Quote:
The best fix for the crank sensor is well, the crank sensor. I would just screw one in and leave it at that. If you have one in there, that's your best plug. Trust me, no one on earth will ever see it! |
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Posted on: 2011/5/22 0:33
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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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| RonRock | Re: LT1 Timing Set with Electric Water Pump? | ||
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Guru Newb
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There are two more reports of 95's with no clearanceing needed. That is just strange that some do need it and some don't.
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Posted on: 2011/5/22 2:05
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| bogus | Re: LT1 Timing Set with Electric Water Pump? | ||
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Grand Imperial Pooh-Bah
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Welcome to GM build quality... why drill a precision hole when a slot will do just fine.
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Posted on: 2011/5/22 4:22
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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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Transfer
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| SpectatorRacing | Re: LT1 Timing Set with Electric Water Pump? | ||
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Elite Guru
 
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I have the Cloyes 9-3145 double roller and it required a lot of clearancing. Seems to be a tolerance issue with the '95 timing covers.
I had a Cloyes single roller before that, I couldn't find the part number, but it required no mods. Stock motor? Get the single roller. I ran it on a ~475 HP 383 and after two years there was still very little stretch. |
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Posted on: 2011/5/22 13:48
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