Heads and TR 230/224
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Heads and TR 230/224
Anyone who's done these, what were your results??? Also, how did you prep the heads??? Mill em down any? bigger valves??? How much clearance does the TR 230/224 have??? Thinking about doing custom headwork but don't have time to drop the car off for them to check for clearances, just want to know some specs that will be close to optimal but conservative enough for clearances! Thanks..
As of right now, I'm doing a little over 400 rwhp with full bolt-on (no cats) on the TR 230/224... How much should I expect with heads? (full custom hand porting)
As of right now, I'm doing a little over 400 rwhp with full bolt-on (no cats) on the TR 230/224... How much should I expect with heads? (full custom hand porting)
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Couldn't tell you w/hand porting (maybe 15-20RWHP).....but, when I had my 99 Z, I had almost all the bolt-ons, the TR230, and some Patriot stage 2 5.3L heads. I didn't have the heads milled @ all. Car was in the 430s (I'd have to find the graph), before it took a **** about 6 weeks later due to um, how should I say...lack of quality control on the part of Patriot.
I think a heads/cam combo w/the 230 is a very good choice. The thing pulls like a raped ape after 3K rpms or so. Good luck.
I think a heads/cam combo w/the 230 is a very good choice. The thing pulls like a raped ape after 3K rpms or so. Good luck.
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Originally Posted by pdd
How am I crying, dipshit? It's called stating facts. Just goes to show you're on the slow side of things....
txhorns281: As I said, good combo..especially if you want the fun of spinning the motor to 7K rpms!
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Originally Posted by 99BackNBlackZ28
How am I crying, dipshit? It's called stating facts. Just goes to show you're on the slow side of things....
txhorns281: As I said, good combo..especially if you want the fun of spinning the motor to 7K rpms!
txhorns281: As I said, good combo..especially if you want the fun of spinning the motor to 7K rpms!
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Originally Posted by xssive
I wouldnt mill that much. You start getting into intake manifold fitment trouble with too much of a mill
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Originally Posted by 99BackNBlackZ28
The problem w/milling the heads is if you ever decided to go w/a bigger cam, your severely limiting your options! If you HAVE to mill, I wouldn't want to go bigger than .020.
but what about bigger valves??? anyone think they're worth it? They're not too expensive but how much will the extra airflow equate to in the RPM band???
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ok... just being meticulous the new million dollar question is this...
TR 230/224 cam, stock PR length
will 5.3 heads, milled .020, stock head gasket, 2.02 intake/1.57 exhaust valves clear?
TR 230/224 cam, stock PR length
will 5.3 heads, milled .020, stock head gasket, 2.02 intake/1.57 exhaust valves clear?
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Originally Posted by txhorns281
ok... just being meticulous the new million dollar question is this...
TR 230/224 cam, stock PR length
will 5.3 heads, milled .020, stock head gasket, 2.02 intake/1.57 exhaust valves clear?
TR 230/224 cam, stock PR length
will 5.3 heads, milled .020, stock head gasket, 2.02 intake/1.57 exhaust valves clear?
YES. Talk to a guy on this board, his s/n is Verbs. He was running TEA stage 2 5.3L heads, I believed milled .030 & was running the TR230 w/no clearance issues. He put down 440/404 I believe at one time.
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Originally Posted by 99BackNBlackZ28
YES. Talk to a guy on this board, his s/n is Verbs. He was running TEA stage 2 5.3L heads, I believed milled .030 & was running the TR230 w/no clearance issues. He put down 440/404 I believe at one time.