Are heads worht it??
01-08-2005, 09:41 PM
#1
Are heads worth it?? I have a tr224/224 112 cam, and LT headers on the car as far as engine mods go. I was thinking of possibly doing heads next. What kind of power gains can I see? Do the cost of the heads justify the power gains? Its my daily driver. Any opinions would be great. Thanks!
Last edited by Nittany_marine; 01-08-2005 at 10:26 PM. Reason: spelling
01-08-2005, 10:18 PM
#2
What do you ultimately plan to do with the car? If you're going for bigger cubes or forced induction, then it wouldn't be a good idea to get heads just yet. Figure out where you're going with the car.
01-08-2005, 10:28 PM
#3
Originally Posted by black_knight
What do you ultimately plan to do with the car? If you're going for bigger cubes or forced induction, then it wouldn't be a good idea to get heads just yet. Figure out where you're going with the car.
I just want it to be a nice, fast, street machine. It sees a track twice a year, maybe. I was just curious as to what mod I should do next.
01-08-2005, 10:33 PM
#4
Well, how fast of a street machine? Do you plan on going for a stroker kit or a blower in the future? If not, then go for it. If so, then don't go for it unless you like paying for heads twice...
01-09-2005, 01:17 AM
#6
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Man, I'd hold out on heads for right now. Just take a peek at a few threads on this very same page right now on heads. There is too much controversy and deceit going on from several shops.
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01-09-2005, 06:41 AM
#8
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Question is do you want to stay with your cam?
2nd question is: Will a set of heads fitting the 224 parameters improve your performance? HELL yes.
How much could you see in power gains?
up to ~40>50 rwhp with properly designed porting/tuning. (I'm being conservative).
In general a H/C combo should yield 80->100 rwhp or it is not properly matched IMO.(W/bolt ons)
2nd question is: Will a set of heads fitting the 224 parameters improve your performance? HELL yes.
How much could you see in power gains?
up to ~40>50 rwhp with properly designed porting/tuning. (I'm being conservative).
In general a H/C combo should yield 80->100 rwhp or it is not properly matched IMO.(W/bolt ons)
01-09-2005, 08:37 AM
#9
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I went from 390rwhp to 416rwhp with the addition of my Patriot 5.3L Stage 2 heads thru cats and gained some torque also. With your description of what you want to do with the car the heads will really make a difference in SOTP power.
01-09-2005, 01:24 PM
#11
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On my setup:
Cam Only:_______________ 390 rwhp @ 6250 / 360 tq @ 5000
Cam + Heads:____________ 425 rwhp @ 6400 / 387 tq @ 5000
Gains:___________________35 rwhp / 27 tq
Cam Only:_______________ 390 rwhp @ 6250 / 360 tq @ 5000
Cam + Heads:____________ 425 rwhp @ 6400 / 387 tq @ 5000
Gains:___________________35 rwhp / 27 tq
01-09-2005, 03:11 PM
#14
Originally Posted by Nittany_marine
Thanks for the relpies. Now, does anyone have any opinions on which heads to go with? Patriot? Or maybe a set from Combination motorsports? Any opinions guys?
01-09-2005, 09:02 PM
#15
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Assuming the $$$ are not in short supply, AFR 205's would work well. the TR224 cam is not optimal for the 205's, but should work well enough depending on one's desires and goals.
01-10-2005, 05:16 PM
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For comparison...I have the same cam in my '02 with headers and Patriot 5.7 stage IIs and dynoed 395rwhp. I don't have the bolt-ons though. It made 393 untuned.
dyno chart
dyno chart
