LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Should I get better heads?

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Old 07-17-2003, 02:05 PM
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Should I get better heads?

My heads flow 252cfm@.500 lift (intake) 176cfm@.500 lift (exhaust)

I have an XE 236/242 cam.

Would I see a big gain by getting AFR, GTP, or Lingenfelter heads?
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Old 07-17-2003, 04:53 PM
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If you have the money, go for the AFR heads.
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Old 07-17-2003, 05:17 PM
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Originally posted by Camaro_Maniac63
If you have the money, go for the AFR heads.
Keep in mind, the general consensus is that AFR's need some quality porting done to be "worth the money."
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Old 07-17-2003, 05:32 PM
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Yeah, if you get AFRs, save your money on their porting, and have them sent to Lloyd or someone else.
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Old 07-17-2003, 05:54 PM
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Yea Lloyd Elliott is quite popular...he's in Red Oak, TX...
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Old 07-17-2003, 09:28 PM
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This sucks. I just bought a set of AFR LT4 heads.
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Old 07-17-2003, 10:16 PM
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How does the rest of the flow chart look?

You might be surprised as how big #'s does not always mean a good head.
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Old 07-18-2003, 09:35 AM
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Originally posted by aggiez28
the afr cnc porting is not impressive for the $$ paid imo.... buy afr bare castings for 1000 and then send the to be ported.. lloyd does a great job....

brook
$1000?? From AFR?
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Old 07-18-2003, 11:32 AM
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This sucks. I just bought a set of AFR LT4 heads
Don't worry man, AFR LT4 heads are some of the best out there. I hope they will work well with the rest of your engine. It is not the individual parts that make a difference, it is the combination of parts. If you can get the right cam, those are killer heads. Porting them makes them even better from what I heard. Good luck.
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