Forum: Pontiac - Street
04-03-2024, 04:30 PM
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Replies: 21
Views: 944
I have a 4.00 stroke 400 block build planned...
I have a 4.00 stroke 400 block build planned -decision is do i use my RAIVs or soem Speedmasters.[/QUOTE]
I would use the RAIV's. A 428 RAIV should have happened in 1969 and the LS1 Ram Air Super...
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Forum: Pontiac - Street
04-03-2024, 04:18 PM
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Replies: 21
Views: 944
Correct, the heads are cast Iron #614's. The...
Correct, the heads are cast Iron #614's. The heads are stock and not ported. Numbers I have read in books is 230 or 240 CFM. I remember reading in Rocky's book, Nunzi Romano, saw some of the 614's...
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Forum: Pontiac - Street
04-03-2024, 11:27 AM
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Replies: 21
Views: 944
Stan,
This is what I have written down and...
Stan,
This is what I have written down and the numbers are uncorrected. I guess the corrected numbers are 460 HP and 545 TQ before the intake change. Figure the HP went up 10 to 15 with the new...
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Forum: Pontiac - Street
04-03-2024, 11:21 AM
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Replies: 21
Views: 944
Use this as a guide. My mechanic started with...
Use this as a guide. My mechanic started with 8.75 inch push rod and didn't like it. Ended up with 9.00 inch push rod with chrome molly 80 thousandth's (SP) wall. Rocker arms are rollers @ 1.65:1...
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Forum: Pontiac - Street
04-03-2024, 11:12 AM
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Replies: 21
Views: 944
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Forum: Pontiac - Street
04-03-2024, 06:53 AM
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Replies: 21
Views: 944
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Forum: Pontiac - Street
03-29-2024, 10:08 AM
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Replies: 8
Views: 542
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Forum: Pontiac - Street
03-29-2024, 09:35 AM
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Replies: 8
Views: 542
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Forum: THE LOBBY
03-28-2024, 11:59 AM
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Replies: 14
Views: 1,040
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Forum: 73-77 A-body TECH
03-27-2024, 10:29 AM
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Replies: 9
Views: 652
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Forum: THE LOBBY
03-27-2024, 09:42 AM
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Replies: 14
Views: 1,040
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Forum: THE LOBBY
03-26-2024, 12:18 PM
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Replies: 14
Views: 1,040
Price is $139,900. I know it is Brewster Green...
Price is $139,900. I know it is Brewster Green and a 4 speed, but this is super duty money. Not worth it to me with a D port 455.
If it was a resto mod with a six speed, high horse power engine...
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Forum: Pontiac - Street
03-21-2024, 08:23 AM
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Replies: 8
Views: 422
PDC,
That is great advice. The Brawler...
PDC,
That is great advice. The Brawler right now is working fine. If it acts up I will go with the advice.
One of my other cars, a 1970 T/A, has a hard to get Holley 780 cfm with vacuum...
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Forum: Pontiac - Street
03-20-2024, 10:02 AM
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Replies: 8
Views: 422
Experience & Opinions on Brawler Carbs
Wondering what people have experienced with the Brawler Carb. I have one on a 496 engine. It is a 850 CFM with mechanical secondary. Works very well for me.
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Forum: 70-73 Firebird & TA TECH
03-12-2024, 10:19 AM
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Replies: 19
Views: 994
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Forum: Pontiac - Street
03-10-2024, 04:25 PM
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Replies: 33
Views: 1,092
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Forum: Pontiac - Street
03-10-2024, 03:34 PM
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Replies: 33
Views: 1,092
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Forum: Pontiac - Street
03-10-2024, 03:03 PM
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Replies: 33
Views: 1,092
DonnyD,
I have a similar build in my 1970...
DonnyD,
I have a similar build in my 1970 GTO. I'm not a racer,but I think it is a low 12 or high 11 second car. It is a 461 with the same heads you have, but my engine builder does his own...
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Forum: 70-73 Firebird & TA TECH
03-05-2024, 03:18 PM
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Replies: 34
Views: 1,747
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Forum: 70-73 Firebird & TA TECH
03-05-2024, 11:37 AM
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Replies: 34
Views: 1,747
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Forum: 70-73 Firebird & TA TECH
03-05-2024, 11:29 AM
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Replies: 34
Views: 1,747
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Forum: 70-73 Firebird & TA TECH
03-04-2024, 12:38 PM
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Replies: 17
Views: 1,085
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Forum: 70-73 Firebird & TA TECH
03-02-2024, 07:16 PM
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Replies: 17
Views: 1,085
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Forum: THE LOBBY
01-25-2024, 05:55 PM
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Replies: 156
Views: 8,489
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Forum: Pontiac - Street
01-24-2024, 07:59 PM
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Replies: 9
Views: 457
Steve C.
The cam I would have put into the...
Steve C.
The cam I would have put into the 505 is a Butler custom grind with @.050 of 248/254 with LSA of 110. What I have in the 496 is a "tad small" with 242/248 @.050 and LSA of 112.
The...
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