LT1-LT4 Modifications 1993-97 Gen II Small Block V8

What timing chain?

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Old Feb 13, 2011 | 09:58 PM
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Default What timing chain?

I am rebuilding my lt1 and want to install a new timing chain set; what set should I use for the lowest coast;my motor should have 370+rwhp. The gm performance set is way overpriced.
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Old Feb 13, 2011 | 10:08 PM
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Stock is just fine.
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Old Feb 13, 2011 | 10:18 PM
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http://cgi.ebay.com/ebaymotors/Cloye...Q5fAccessories what about this one
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Old Feb 13, 2011 | 10:37 PM
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Originally Posted by henry172
Won't work, unless you have an electric water pump.
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Old Feb 13, 2011 | 11:27 PM
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Originally Posted by shbox
Won't work, unless you have an electric water pump.
Yep I have an electric water pump.
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Old Feb 14, 2011 | 06:45 AM
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Originally Posted by henry172
Yep I have an electric water pump.
You'll also want to make sure there is no clearance problem with the crank position sensor reluctor (if you are still using it). It may/may not be an issue with the single roller's crank gear thickness.
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Old Feb 14, 2011 | 10:20 AM
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i used the one from summit. was told its for LT4 (supose to be stronger then LT1)
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Old Feb 14, 2011 | 10:47 AM
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Actually I have seen more cases of the LT4 ED chain breaking than the stock one, and the price is ridiculous.
With an electric WP yes you can use cheaper gen 1 timing chains.

That said though the stock chain is very reliable with the waterpump load on it, talking 10-11hp at high rpm, just swapping to an electric pump takes that load off of it meaning it would be even more reliable than it is when driving the WP.
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Old Feb 14, 2011 | 11:24 AM
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Ok, see my sig i have an EWP
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Old Feb 14, 2011 | 12:13 PM
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So you paid an absurd amount of money for the ED set when you did not need to retain a LT style set with the WP drive? You could have spent a fraction as much on a gen 1 set when you don't need the WP drive.
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Old Feb 14, 2011 | 11:21 PM
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I dunno, maybe the previous owner, because the car came with the EWP, when i rebuilted i bought the timing chain, installed with 0 problems. still going strong after 6-7 months

Last edited by curacaoz28; Feb 14, 2011 at 11:38 PM.
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Old Feb 14, 2011 | 11:24 PM
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There's no denying it works, but it is completely overrated and overly expensive for very little benefit, ESPECIALLY if you have an EWP.
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Old Feb 14, 2011 | 11:39 PM
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Ok thanks for the info, will consider it if i get a second LT1
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Old Feb 15, 2011 | 01:34 AM
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Originally Posted by shbox
You'll also want to make sure there is no clearance problem with the crank position sensor reluctor (if you are still using it). It may/may not be an issue with the single roller's crank gear thickness.
^Listen to this guy. When I replaced mine I just went with a stock replacement from Napa, no problems here (and I have an EWP).
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Old Feb 15, 2011 | 05:48 AM
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For the best value, (not cheapest, but a great inexpensive set) I chose the zz4 timing set from GM performance parts. It also came with the retainer, it's bolts, and the 3 cam bolts. Heavy duty looking single roller set. All well under $60
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