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Best heads to go with?

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Old 01-12-2018, 05:53 PM
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Default Best heads to go with?

I have a 1999 Trans Am A4 the mods I have are SLP lid, chris1313 ram air kit, mild cam (218/227), 1 3/4 long tube headers to a 3 inch Y pipe. I plan on getting a LS6 intake and a 32-3600 stall, maybe a UD pulley. I was told 243 heads would be the best for my mods. What do you guys think?
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Old 01-12-2018, 06:53 PM
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Those, or 799's which are identical. Porting makes them even better, but stock is a great start.
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Old 01-12-2018, 07:06 PM
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Originally Posted by G Atsma View Post
Those, or 799's which are identical. Porting makes them even better, but stock is a great start.
Yeah haven't decided on ported or just stock. Don't wanna push the limits to bad because I know the rear end get weak hopefully being an auto it'll be good then the transmission is what I'm worried about next
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Old 01-12-2018, 07:11 PM
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As many know, a properly ported head fattens up the curve all the way up and down, which makes driving a lot nicer. It will make whichever cam you use more effective. Stage I from TSP is only $750 plus parts.(usually valve springs if you need an upgrade).
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Old 01-12-2018, 07:41 PM
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Best would be brands like Trickflow, Mast, AFR, etc....
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Old 01-12-2018, 07:42 PM
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Check out PRC 243'S from Texas Speed

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Old 01-12-2018, 08:31 PM
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Originally Posted by LS_Power
Yeah haven't decided on ported or just stock. Don't wanna push the limits to bad because I know the rear end get weak hopefully being an auto it'll be good then the transmission is what I'm worried about next
Usually the A4 will sacrifice itself to save the rear axle. Very noble
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Old 01-13-2018, 01:16 AM
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There’s several variables that’ll blow your rear diff before peak hp will
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Old 01-13-2018, 10:28 AM
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A side question for the OP -- is it the VERY best heads or the best heads at xx price point?

On a 5.7, IMO the best is Mamo 220, Mamo 223 (TFS 220 casting plus Mamo lovin), mast small bore rectangle ports. But the price points may have you looking elsewhere.

Then you get to PRC, TEA, AI, Livernois, etc
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Old 01-13-2018, 04:08 PM
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Originally Posted by Darth_V8r View Post
A side question for the OP -- is it the VERY best heads or the best heads at xx price point?

On a 5.7, IMO the best is Mamo 220, Mamo 223 (TFS 220 casting plus Mamo lovin), mast small bore rectangle ports. But the price points may have you looking elsewhere.

Then you get to PRC, TEA, AI, Livernois, etc
Just looking for the best heads for the money. Not really looking to spend 1000 dollars on a pair of heads. It's kinda a budget/mild build (why the cam is so small)
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Old 01-13-2018, 04:22 PM
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If you are looking to only spend a grand or less you will need to buy used, and will likely be limited to a ported stock casting like the 243, 241, 706, etc...
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Old 01-13-2018, 05:05 PM
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Originally Posted by Darth_V8r View Post
Usually the A4 will sacrifice itself to save the rear axle. Very noble
LOL. Funny guy. LOL
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Old 01-13-2018, 05:06 PM
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TEA and AI have great port programs for the 243. Just saying.
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Old 01-13-2018, 05:15 PM
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Originally Posted by Jimbo1367 View Post
TEA and AI have great port programs for the 243. Just saying.
TSP too. Their Stage I does real well and for $750 plus parts is a good deal.
OOOOPPSS Already said that above. Oh well, here it is again.. lol

Last edited by G Atsma; 01-13-2018 at 08:18 PM.
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Old 01-13-2018, 07:47 PM
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Are 862 heads any good? My friend has some that are in pretty good shape. Just wanted to know if they were any good or not?
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