Forum: Pontiac - Race
05-07-2024, 06:45 AM
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Replies: 26
Views: 3,293
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Forum: Pontiac - Race
04-17-2024, 06:26 AM
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Replies: 14
Views: 1,523
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Forum: Pontiac - Race
04-16-2024, 05:15 PM
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Replies: 14
Views: 1,523
I think this is a pair of heads Butler had in...
I think this is a pair of heads Butler had in stock for quite some time, were on Ebay once, and he bought them, had them CNC ported. I may be wrong. but I saw identical heads on ebay a few years...
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Forum: Pontiac - Race
04-16-2024, 08:25 AM
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Replies: 26
Views: 3,293
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Forum: Pontiac - Race
04-16-2024, 08:02 AM
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Replies: 26
Views: 3,293
epoxy isn't going to hold long into a water...
epoxy isn't going to hold long into a water jacket.
it needs to be professionally welded.
that has to be at least brazed, gas welded with a torch.
or professionally cast iron welded which is...
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Forum: Pontiac - Race
04-16-2024, 07:51 AM
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Replies: 14
Views: 1,523
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Forum: Pontiac - Race
04-16-2024, 07:41 AM
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Replies: 14
Views: 1,523
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Forum: Pontiac - Race
04-16-2024, 07:28 AM
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Replies: 14
Views: 1,523
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Forum: Pontiac - Race
04-15-2024, 11:11 AM
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Replies: 31
Views: 3,369
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Forum: Pontiac - Race
04-13-2024, 06:19 AM
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Replies: 31
Views: 3,369
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Forum: Pontiac - Race
04-13-2024, 06:14 AM
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Replies: 31
Views: 3,369
correction:
the gentleman presenting the...
correction:
the gentleman presenting the Pontiac engine specs in the video clip is PRESTON MOSHER, Manager of cylinder head dept. at BES Racing Engines.
the engine was a Pontiac he did at BES and...
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Forum: Pontiac - Race
04-12-2024, 05:13 PM
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Replies: 31
Views: 3,369
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Forum: Pontiac - Race
04-12-2024, 09:39 AM
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Replies: 31
Views: 3,369
interesting...what pro stock castings was he...
interesting...what pro stock castings was he trying to obtain, RA V heads ? they were raced in early 1970's in Pro Stock.
or were they trying to find early BBC castings ?
elaborate on what he said...
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Forum: Pontiac - Race
04-12-2024, 09:34 AM
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Replies: 31
Views: 3,369
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Forum: Pontiac - Race
04-12-2024, 07:48 AM
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Replies: 31
Views: 3,369
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Forum: Performance Parts For Sale/Wanted
03-25-2024, 06:09 PM
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Replies: 1
Views: 488
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Forum: LS Talk
03-24-2024, 03:22 PM
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Replies: 196
Views: 41,713
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Forum: Pontiac - Street
03-23-2024, 10:46 PM
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Replies: 15
Views: 1,927
just diggin' around, nobody answered this ? ...
just diggin' around, nobody answered this ?
seriously...
assuming it was a serious question...
hell yes...
1-3/8" = 1-12/32"
so it's 1-23/32" vs 1-12/32" venturi comparison
that is 11/32"...
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Forum: Pontiac - Street
03-23-2024, 12:34 AM
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Replies: 149
Views: 22,195
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Forum: Pontiac - Street
03-23-2024, 12:30 AM
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Replies: 8
Views: 665
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Forum: Pontiac - Street
03-21-2024, 04:13 PM
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Replies: 33
Views: 2,380
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Forum: Pontiac - Street
03-21-2024, 03:56 PM
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Replies: 33
Views: 2,380
All the old BG Demon carb ratings were...
All the old BG Demon carb ratings were established by wet flow testing, with all 4 barrels wide open, at 1.5" Hg./20.4" h2o.
When fluid is introduced into an airflow rig, the test pressure will...
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Forum: Pontiac - Street
03-21-2024, 01:18 PM
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Replies: 33
Views: 2,380
one of these with 1.75" throttles (Holley 850...
one of these with 1.75" throttles (Holley 850 size), and 1.42" throats, downleg boosters, sculpted inlet, flows 825 cfm.
put annular boosters on it, they're bigger, block airflow. it would...
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Forum: Pontiac - Street
03-21-2024, 12:38 PM
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Replies: 33
Views: 2,380
now, are we supposed to believe, a 1.39" throat,...
now, are we supposed to believe, a 1.39" throat, with annular boosters, without a sculpted inlet, can flow 850 cfm ?
they obviously don't because everyone is already complaining, losing 2 tenths, 2...
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Forum: Pontiac - Street
03-21-2024, 12:34 PM
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Replies: 33
Views: 2,380
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