Are heads worht it??
#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
#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.
#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.
#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...
#6
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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#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)
#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.
#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
#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?
#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.
#20
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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