Cylinder Heads

[badinfluence]

I just picked up some 96 LT1 cyl. heads and intake for a project down the road (as in next fall), kind of an impulse buy because when I got home it looks like I could buy Edelbrock heads for about the same price than I could have these ported/polished (I checked elliot portworks, afr and one other website but forgot what it was, basic stage 1 heads were going for $850 heads only.

So would Port/polished heads (probably a stage 1 head) out perform brand new edelbrock heads?

I'm lookin for 400rwhp with cam/valvetrain/bolt ons when I do the project

or is there any shops in michigan that do this?

[JoeliusZ28]

400rwhp out of stage one Lloyd Elliot heads is doable with the right cam (albeit wont be a friendly one). that was the route i was going to go for a while but changed my mind.

Lloyd is considered the best on the tech forums.
http://www.eportworks.com/lt1.html

Only downside it is can take like 2 months to get them back once you ship them.

Ive not really seen anyone using edelbrock heads, i doubt theyre that great, even trick flows and AFRs can be ported out better.

[badinfluence]

that 2 month Time frame isn't a problem.

here's the edelbrocks i was considering as well:
http://www.jegs.com/webapp/wcs/store...10002_90032_-1

they also have these CNC ported edelbrock but I would need an edelbrock or LT4 intake manifold.
http://www.jegs.com/webapp/wcs/store...0002_376487_-1

Elliot Heads are $850 for stage 1 heads or $1200 for the package (which includes a cam) and I would need to get my intake ported to match

Also, how much power can the stock TB support? would an aftermarket 52mm make a noteable difference?

[JoeliusZ28]

intake and heads were well engineered on the LT1, they arent much of a restriction at all until youre above 400rwhp. Im headed out the door now, ill try to give a better assesment of stuff later.

[DETROITMUSCLE]

I'd do the Elliot package as its a cam that is proven to make power with those heads, 400rwhp out of an Lt1 is pretty damn impressive. Is it an auto or stick though as I bet you'd have a hard time squeezing that out of an A4.

[badinfluence]

It's an A4 that was is "built to hold 500hp" with a Monster Transmission rebuild kit with shift kit to 3.23s or 3.42s (forgot off top of my head, i have too many cars!).

I would really like to be well into the 12's, 400rwhp isn't mandatory but i would like upper 300's

I was thinking elliot obviously picked out the cam for those heads, i'll look for a sound clip, i want something with a considerable lope

[JoeliusZ28]

you can be in the 12s piece of pie with just a cam, thats what im doing... and im only going with a little 503. My best time with a stock motor is a 13.5, and i know i could do better but thats probably the last time it will see the track before the cam.

LT1s arent dyno queens like LS1s... it seems like they make 30-40 less rwhp and still run the same times.

consistent 12s are possible with less than 350 rwhp.... you probably only need 325.

I would expect nothing less than a high 11 with a head/cam LT1 with an auto (with supporting mods to get that horsepower to the ground)

[badinfluence]

sounds good then.

I picked these up for next fall after I rake in a bunch of $$$ this summer. LE1 is looking good and what you all seem to say makes it sound better too. I'll have LT's, alum. driveshaft and some suspension done for this winter's project so it will be already setup to handle the power increase

[PACE]

edelbrock heads SUCK.................. Yack...

[WMCCjames]

LT1s arent dyno queens like LS1s... it seems like they make 30-40 less rwhp and still run the same times.

Okay, so let me get this straight.......more weight, less HP and still runs the same times

[scholtmj]

consistent 12s are possible with less than 350 rwhp.... you probably only need 325.

Disagree.
Case in point: GETGONE
Wade
2002 Camaro SS T Top Black M6 SLP 345HP SS grill chrome ZR1's SLP #8542
Best ET with M/T DR's: 12.692@109.23MPH
Best ET with Toyo Proxes: 12.986@106.61MPH
Best ET 13.008 @ 107.85mph BONE STOCK on stock Goodyear F1's at 32PSI
BONE STOCK Dyno 327.8HP 335.6 ft/lbs torque

Ask Wade what he was running at M12 - nothing close to a 12.99 maybe a best 13.2 which would not be called "consistent 12's with 325 rwhp".

[JoeliusZ28]

Disagree.
Case in point: GETGONE
Wade
2002 Camaro SS T Top Black M6 SLP 345HP SS grill chrome ZR1's SLP #8542
Best ET with M/T DR's: 12.692@109.23MPH
Best ET with Toyo Proxes: 12.986@106.61MPH
Best ET 13.008 @ 107.85mph BONE STOCK on stock Goodyear F1's at 32PSI
BONE STOCK Dyno 327.8HP 335.6 ft/lbs torque

Ask Wade what he was running at M12 - nothing close to a 12.99 maybe a best 13.2 which would not be called "consistent 12's with 325 rwhp".

And i disagree with you.

i just searched LT1 tech "power for 12s" and the VERY first result was this thread.

http://www.camaroz28.com/forums/show...=power+for+12s

he broke into 12s with 297 rwhp. add 25 and you can be very consistent.

LS1s do not have 325 rwhp out of the box. they have about 300, so you basically just proved my point. Wade's car is def a higher number car, but its also a 6 speed - which is much harder to run consistent fast times with. You can also refer to what i said about LT1s not being dyno queens. from my observations they often run just as fast as LS1s with less hp. (i am not saying this always true)

Im seriously tempted to hold off my cam swap another season. My car could come close to a 12 (13.25) as it sits right now and ive never even cracked a valve cover OR messed with the tune.

[scholtmj]

LS1s do not have 325 rwhp out of the box. they have about 300...

Please re-read:
BONE STOCK Dyno 327.8HP 335.6 ft/lbs torque = out of the box
This falls under the category B.S.
"from my observations they often run just as fast as LS1s with less hp."

Sounds like MiFbody needs a track day.

[MattODoom]

Joel believes in the mystical powers of the opti-spark, just... leave him be.

[JoeliusZ28]

Please re-read:
BONE STOCK Dyno 327.8HP 335.6 ft/lbs torque = out of the box
This falls under the category B.S.
"from my observations they often run just as fast as LS1s with less hp."

Sounds like MiFbody needs a track day.

i saw it. wade's car is a prime specimen. its also a 6 speed which dyno's higher than the AUTO we are discussing in this topic!! Auto = driveline loss.

and yes we do need a track day.