Timing chains, stock vs other?
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From: Winston salem, NC
Car: 1987 1SICIROC.....1999 TransAm
Engine: 385 HSR.....LS1
Transmission: 700R4 with Midwest 3400 2.4str...M6
Axle/Gears: SLP Zexel Posi unit 3.42's...3.73's
Timing chains, stock vs other?
Heres the 2 side by side.....which one is better?
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From: Winston salem, NC
Car: 1987 1SICIROC.....1999 TransAm
Engine: 385 HSR.....LS1
Transmission: 700R4 with Midwest 3400 2.4str...M6
Axle/Gears: SLP Zexel Posi unit 3.42's...3.73's
also look how much of the difference in length the stock vs the new one................this otta be fun trying to make the new one fit.
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From: USA
Car: yy wife, crazy.
Engine: 350, Vortecs, 650DP
Transmission: TH-350
Axle/Gears: 8.5", 3.42
The one on the left in the pic is better.
The reason it's shorter is because of the diff. companies, and the sprockets are diff size.
That's why you buy them as a set. Cam sprocket, crank sprocket, and chain. Don't mix and match companies.
The chain on top will just use smaller sprockets. The actual size of the sprockets doesn't matter, as long as the ratio of 2:1 is kept. Another problem of mixing companies parts.
The reason it's shorter is because of the diff. companies, and the sprockets are diff size.
That's why you buy them as a set. Cam sprocket, crank sprocket, and chain. Don't mix and match companies.
The chain on top will just use smaller sprockets. The actual size of the sprockets doesn't matter, as long as the ratio of 2:1 is kept. Another problem of mixing companies parts.
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From: Winston salem, NC
Car: 1987 1SICIROC.....1999 TransAm
Engine: 385 HSR.....LS1
Transmission: 700R4 with Midwest 3400 2.4str...M6
Axle/Gears: SLP Zexel Posi unit 3.42's...3.73's
AH! understood.....the sprockets are differents sizes....thx!
ey? is the one on the left a true roller chain?

ey? is the one on the left a true roller chain?
Last edited by Wishmaster's87IROC; Aug 5, 2003 at 05:05 PM.
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From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
Can't tell looking at it whether it's a "true roller" or a "bushing roller".
If you paid $40 or more for it, it's probably a true roller. If you paid less than $30, it's probably junk.
If it's a "bushing roller" aka "truck chain", the stock type is better.
If you paid $40 or more for it, it's probably a true roller. If you paid less than $30, it's probably junk.
If it's a "bushing roller" aka "truck chain", the stock type is better.
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iTrader: (4)
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From: Winston salem, NC
Car: 1987 1SICIROC.....1999 TransAm
Engine: 385 HSR.....LS1
Transmission: 700R4 with Midwest 3400 2.4str...M6
Axle/Gears: SLP Zexel Posi unit 3.42's...3.73's
well what I got was the summit chain.....part# SUM-G6601
says it a true roller, I asked and they told me it was..so i assume it is...
says it a true roller, I asked and they told me it was..so i assume it is...
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