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TPI Tuned Port Injection discussion and questions. LB9 and L98 tech, porting, tuning, and bolt-on aftermarket products.

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Old 06-13-2002, 03:23 PM   #1
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Vette Aluminum Head Casting Number????

hi, i was wondering, what the casting number for the tpi aluminum vette heads is.... let me know, thanks a lot!


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Old 06-13-2002, 06:23 PM   #2
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12556463 = assembled corvette aluminum

10125374 = bare corvette aluminum
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Old 06-13-2002, 11:28 PM   #3
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The cast numbers are 14101128 for the 86-87 head with standard
exhaust ports and 10088113 for the 88 up raised "D" shaped
exhaust ports.

Both heads have the same intake runners that flow 185cfm.
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Old 06-14-2002, 02:11 PM   #4
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what swapmaster said.......

I believe the first post is part numbers not casting numbers.

swapmaster has the correct CAASTING NUMBERS
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Old 06-14-2002, 03:36 PM   #5
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Both heads have the same intake runners that flow 185cfm

wow, those flow pretty well i guess....thats a nice thing to know. i'm looking into getting a set. where would you recommend getting them at a good price? thanks
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Old 06-14-2002, 04:38 PM   #6
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Quote:
Originally posted by Hodge
what swapmaster said.......

I believe the first post is part numbers not casting numbers.

swapmaster has the correct CAASTING NUMBERS
yep. missed that. i just opened the 2002 GM performance catalog and read off the PART number
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Old 06-14-2002, 05:00 PM   #7
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yeah, i just found something on that, thats all correct now, thanks guys!

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Old 06-15-2002, 10:49 AM   #8
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Since when is 185 cfm flowing pretty well??? Dear ***, the LS1 heads flow 270 cfm stock. 185 cfm is totally anemic. I was thinking about a set of those Vette heads but I would have massive porting work done first. Anyone have a price on these heads?
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Old 06-16-2002, 05:46 PM   #9
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nevermind, i thought that was thinking that was the intake runner size but i found those are 170cc. opps
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Old 06-16-2002, 06:21 PM   #10
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Quote:
Originally posted by RedIrocZ-28
Since when is 185 cfm flowing pretty well??? Dear ***, the LS1 heads flow 270 cfm stock. 185 cfm is totally anemic. I was thinking about a set of those Vette heads but I would have massive porting work done first. Anyone have a price on these heads?

here's pricing at gmpartsdirect.com

10125374
Engine Cylinder Head
HEAD ASM-
1
$833.33 GM retail
$625.00 GM wholesale
$475.00 OUR price


12556463
Engine Cylinder Head
HEAD,CYL
1
$650.00 GM retail
$552.50 GM wholesale
$455.00 OUR price
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Old 06-16-2002, 06:21 PM
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