ShadyPhi

iTrader: (9)

Hey All,

I'm getting ready to install the LT4 Hot Cam kit, and I was wondering if I should replace my stock LT1 timing chain??

The stock chain only has 25,XXX miles on it, so is it necessary to replace that?

Thanks!

the_merv

iTrader: (88)

Keep it, you are good.

burnzilla

iTrader: (3)

The heavy duty timing chain kit for an LT4/LT1 is a little tougher, but if youre stock one is in good shape, you should be good to go.

Mac 2002 SS

iTrader: (6)

well to each is own ,but I say install a heavy duty chain since you are already there. It's better to play it safe than sorry.

LT1BRN

iTrader: (1)

if you dont want to get a H/D chain, atleast get OEM new ones while your at it.

ShadyPhi

iTrader: (9)

Should I get a OEM LT4 timing chain?? Or an OEM LT1 chain? or does that even matter?

the_merv

iTrader: (88)

The stock LT1 one is recommended not to exceed 5700 rpm. Depends on what you have your car tuned to. I still have my stock one, and have had no problems with it.

Sick99WS6

iTrader: (2)

I would just put on a double roller. Pretty cheap about $80 from not sure if they are a vendor. I thought it was easy to install too.

Hark_Z

iTrader: (12)

I'd get the LT4 timing chain at least, even though it's a smaller cam. At the best rate, You could get an electric water pump and buy a double timing chain, free up about 10rwhp over the cam..Plus the double is cheaper than the single, Cloyes is among trusted brands.

contraststriker

iTrader: (14)

"Heavy Duty" LT1/LT4 timing chains are COMPLETELY overrated. For the price of one, you can buy an electric water pump and a Summit double roller timing chain, plus still have $80 left over. The Summit one is only $36, and is leaps and bounds ahead of those so-called "heavy duty" kits. I mean, just look at the difference:




CSR water pump: $180
Summit timing chain: $36
= $216

LT1/LT4 "Extreme Duty" timing chain kit: $300


Keep in mind this only works for pin-driven optisparks with electric water pump, but that's no problem for you since you have a 97. Everyone should have an electric water pump anyway!