Trick Flow Heads?
Trick Flow Heads? I recently got my AES 390 forged engine with Trick Flow 220 fully asembled heads. My question is what else do I need to install on the heads before I throw the valve covers on. I know the stock rockers from my ls1 can be reused but what about the lifters? Do I need to get new ones or can I use my old ones as well? I've heard the LS7 lifters are a good option but I need everyone's opionions. Sorry for the dumb questions and any help is greatly appreciated.
Thanks
Thanks
Staging Lane
Joined: Aug 2007
Posts: 80
Likes: 0
Depending on the mileage i would replace the lifters since you already have the heads off. It would suck to pull the heads off just to change lifters in the near future.
You should only use the stock rockers if you had powdered metal guides and platinuim/gold valve springs installed, If not i would use roller rockers. Dont forget you will need different length pushrods.
You should only use the stock rockers if you had powdered metal guides and platinuim/gold valve springs installed, If not i would use roller rockers. Dont forget you will need different length pushrods.
LS1Tech Sponsor
Joined: Feb 2008
Posts: 300
Likes: 18
Use roller rockers and you will need longer pushrods (7.500").
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TECH Enthusiast
Joined: Jun 2006
Posts: 594
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From: Enid, OK
as was said roller rockers are recommended for the Trick Flows. Def measure for the correct pushrod length, should be in the 7.5 range.
As to why the roller rockers are required, im not to sure, maybe it has to do with the valve angle being changed and the location of the rocker tip using the stock unit.
Lifters you can use LS7 units (may raise the pushrod a little, again measure) Im using comp stock replacments, but def go ahead and replace with a new set so you wont have any trouble later on.
As to why the roller rockers are required, im not to sure, maybe it has to do with the valve angle being changed and the location of the rocker tip using the stock unit.
Lifters you can use LS7 units (may raise the pushrod a little, again measure) Im using comp stock replacments, but def go ahead and replace with a new set so you wont have any trouble later on.
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