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Thread: Trick Flow Heads/Cam
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10-22-2009, 05:54 PM #1
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Red- 98 C5
Trick Flow Heads/Cam
Will the heads cam package really make 515HP on a stock bottom end?
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10-23-2009, 04:48 AM #2
Yes at the flywheel. One user on this site has stock exhaust manifolds and still makes 440 RWHP! The trickflow package is the bomb if you have the funds.
Yes you can install on stock bottom end... lots of LS1's with heads/cam on stock bottom end running fine. If you also spray or boost you will be wise to get a forged bottom end.
Of course, it won't be reliable as stock once you have 515 HP.
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10-23-2009, 07:28 AM #3
Trick Flow heads work great, but their cams aren't so great. If you're set of TF, get a custom grind cam to your specs. Also realize those heads require Yella Terra rockers, and an experienced LSX mechanic to install. There's more labor involved in getting the valvetrain geometry correct on that cylinder head. This is NOT something a weekend warrior can do if they do not know how to check wipe patterns, preload, pushrod length, etc...
There are other cylinder head options out there that offer similar power gains, retain the use of stock rockers, and don't require as much assembly time.
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10-23-2009, 07:48 AM #4
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10-23-2009, 07:52 AM #5
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blacker than wesleysnipes- 98' trans am
you can get afr heads..what i really like about TFs are their 13.5 valve degree..compared to a stock 15 degree...you get great numbers out of those heads.
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10-23-2009, 07:53 AM #6
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blacker than wesleysnipes- 98' trans am
and also dont get caught up with peak numbers either...do your research and find a combo that will give you good numbers under the curve.
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10-23-2009, 08:00 AM #7
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10-23-2009, 08:37 AM #8
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Red- 98 C5
Torque vs Horsepower
I really want high torque #'s. So I take it the rocker arms that come with the kit are not torque to yield, they require adjustment. I want a complete kit (rockers, springs, retainers, bolts, gaskets, etc.) what do you suggest?
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10-23-2009, 12:23 PM #9What would you suggest then? What are your basis of your selections of heads? Always like to hear what others think/know
Patriot Performance is another option if you're looking for the cheapest of options. Their heads are worth 25-35rwhp, and their pricing is very attractive @ $1200 for a brand new set of heads and no core charge. https://www.patriot-performance.com/...ome.php?cat=12
I really want high torque #'s. So I take it the rocker arms that come with the kit are not torque to yield, they require adjustment. I want a complete kit (rockers, springs, retainers, bolts, gaskets, etc.) what do you suggest?
To answer your inquiries, it's the entire combination that will determine how you achieve your goals. Camshaft choice, compression ration, tuning, etc...Cylinder heads are only part of the equation.
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10-23-2009, 01:48 PM #10
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10-23-2009, 03:54 PM #11
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Black- 2000 Z28
I've never heard anyone say that the Trick Flow heads aren't the best heads out there. My LSx guy, who has built more than one engine that has been featured in magazines, does packages with the Trick heads, rockers, push rods, and a custom cam, full exhaust, and full intake (lid, maf, tb, intake manifold) and is getting high 400s at the wheels with tq in the high 400s as well. I've seen the build sheets and dyno sheets of more than one car he's built, and there've been no complaints.
Granted, he does get the heads milled down so that compression is raised... which is an extra 250.
If I sell my 300zx twin turbo, or my truck (both of which have irons in the fire for, so to speak) I will be finishing off my motor with the heads, FAST intake and TB, but will be going with very high street compression (I want 12.5:1 if I've got the PTV for it, still haven't crunched those numbers on my cam...) and will be switching to e85 and should be well over 500 rwhp with tq hopefully 475+.
Then again, when its all said and done, I'll have about 11K into the engine...I have a website to help people out who are shopping for a new washer. I've taken the time to read through and summarize front load washer reviews for many models. Check it out if you are shopping for a new washer, hopefully it can help you out.
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10-25-2009, 04:55 PM #12I've never heard anyone say that the Trick Flow heads aren't the best heads out there.
should be well over 500 rwhp with tq hopefully 475+.
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10-25-2009, 05:05 PM #13
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Black- 2000 Z28
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11-11-2009, 03:05 AM #14
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S O M- 2002 Camaro SS
I have a bit of difficulty with an NA 347 with a single throttle body making that much power to the wheels with 11:1 scr.
Now, if you disconnect the drive belts, remove the air filter, and crack a nitrous bottle in the intake air flow on a happy dyno, sure.Last edited by KP1; 11-11-2009 at 03:11 AM.
2002 Camaro 11.828 @ 119.88 3900 lbs with me in the seat.
2004 Z06 for Road Courses.
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11-11-2009, 05:05 AM #15
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11-11-2009, 05:33 AM #16
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S O M- 2002 Camaro SS
Thanks. Still a bit of a stretch I think.
I've seen some out of the norm posts where people claim near 500 with 347 NA.
Doesn't matter really. The proof is in how it moves down the track and how it traps compared to gross weight.
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11-11-2009, 05:36 AM #17
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11-11-2009, 03:04 PM #18
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SOM- 2002 SS
Sometimes impressing high school girls is worth it
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11-15-2009, 05:06 AM #19
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Black- 2001 Camaro SS
I agree high 400's is pushing it a bit from a NA 347, I can't believe it would be very drivable under normal conditions. My specs are:
347
TF 215's milled for 11:4 to 1
comp 230/230/.591 113+2
comp R's
diamond forged -2cc pistons
stock crank - polished
stock rods - polished
underdrive pulley - crank
numbers were 454rwhp, and 430 rwt on a dynojet, with a somewhat conservative tune. I maybe could get a few more numbers, but not too much
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