Ls1 head simple upgrades
Thread Starter
Teching In
Joined: Oct 2012
Posts: 39
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From: Hamilton, ON
Ls1 head simple upgrades I have a 2000 Firebird A4 boosted at 10 psi stock engine 168k, spirited driver but rarely in boost.
I need to replace a bad lifter, while in there I'm considering upgrading springs pushrods and rocker arms keeping the bottom end of engine stock.
Any recommendations for parts better than stock without breaking the bank or should I just keep it stock?
I need to replace a bad lifter, while in there I'm considering upgrading springs pushrods and rocker arms keeping the bottom end of engine stock.
Any recommendations for parts better than stock without breaking the bank or should I just keep it stock?
Thread Starter
Teching In
Joined: Oct 2012
Posts: 39
Likes: 0
From: Hamilton, ON
Completely stock just added rear mount turbo, dyno tune around 500 rwhp 580tq.
Setup on car about 4 years now.
In boost enough to get me in trouble at times but it's nice just to cruise around calmly in a clean rare car as well.
Setup on car about 4 years now.
In boost enough to get me in trouble at times but it's nice just to cruise around calmly in a clean rare car as well.
Last edited by transamice; Aug 13, 2019 at 06:30 PM.
12 Second Club
Joined: Dec 2017
Posts: 1,034
Likes: 224
From: San Antonio
That's funny right there.If you're already getting 500 Whp, then I would just replace the lifters and springs. I don't think head work will make a huge difference without a different cam.
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I would replace the spring with some Pac1218 or new stock LS3 Beehives. I bought a set of new take off LS3 springs with seals/retainers/locks for $40 shipped.
Your springs are due to be changed anyway and the cost difference isn't that great.
Your springs are due to be changed anyway and the cost difference isn't that great.
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