Best heads? - Page 2 - LS1LT1 Forum : LT1, LS1, Camaro, Firebird, Trans Am, Engine Tech Forums

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post #16 of 25 (permalink) Old 05-24-2011, 06:48 PM Thread Starter
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Quote:
Originally Posted by 94nismoformula View Post
id be more worried about your bottom end. dont want to spin a bearing or anything
i got the bottom end built 383 eagle stroker kit

Last edited by blkz28; 05-24-2011 at 06:50 PM.
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post #17 of 25 (permalink) Old 05-24-2011, 06:50 PM Thread Starter
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thanks everyone
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post #18 of 25 (permalink) Old 05-24-2011, 08:21 PM
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The problem with the Patriot Heads is they no longer make them for our favorite LT1's, I sent a couple emails back and forth to them. I was saddened to say the least!

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post #19 of 25 (permalink) Old 02-14-2013, 05:16 PM
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hi everybody i am planning on throwing new heads on my 93 trans am i my valve guides are bad so im just going to replace the heads and i just wanted to know what would be the best heads for a stock cam. i was looking at dart pro 1's and edelbrock profromers. thanks.
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post #20 of 25 (permalink) Old 02-14-2013, 07:30 PM
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No point in doing heads with a stock cam, why not go with an LE1 package? Comes with assembled heads and your choice of cams for about half the price of both heads you posted, and flow WAY more than the edelbrocks, and about the same as the as cast darts.

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post #21 of 25 (permalink) Old 02-14-2013, 09:53 PM
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Don't run the Edelbrocks or Darts if aftermarket run Trick FLows or Air Flow Research. Best value for the money is Lloyd Elliots LE1's ported stock heads. Ported I'd choose 374 castings numbers match production 93 heads and ported they really flow.

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post #22 of 25 (permalink) Old 02-14-2013, 10:49 PM
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ok i think i will do the le1 deal but if i got the big cam with it and i have 1.6 rocker everything will clear right? i wont have the valve hitting the piston
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post #23 of 25 (permalink) Old 02-15-2013, 10:54 AM
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Quote:
Originally Posted by 1993 trans/a View Post
.......i wont have the valve hitting the piston
No.........not even close.

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post #24 of 25 (permalink) Old 02-15-2013, 10:38 PM
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Someone stated get AFRs and send them out to be CNC. Problem is AFR is a fully CNC head in the box. They aren't as cast.

Best heads for bang?
AI 200cc factory CNC castings. On a 383 makes over 500rwhp. 1800 bucks plus 400 and you can have a cam from them.

Best all out head while keeping it direct bolt on?
AI 215cc TFS heads.
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post #25 of 25 (permalink) Old 02-17-2013, 10:43 AM
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Quote:
Originally Posted by Fox Slaughter View Post
Someone stated get AFRs and send them out to be CNC. Problem is AFR is a fully CNC head in the box. They aren't as cast.

Best heads for bang?
AI 200cc factory CNC castings. On a 383 makes over 500rwhp. 1800 bucks plus 400 and you can have a cam from them.

Best all out head while keeping it direct bolt on?
AI 215cc TFS heads.
It is VERY VERY VERY RARE for anyone to make 500rwhp... PERIOD. Let alone with the AI 200cc heads. Most I normally see is around 450-475, and I cant think of a single 383 with ported stock heads that is putting down 500rwhp.

Even with the TFS AI heads, people rarely put down over 500. Once again, Ill say it, I cant think of a single build right now that made over 500 to the tire with either of AI's packages, other than the 1 or 2 that they show on their website, which are FAR from street cars.

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