Forum: Pontiac - Street
07-04-2024, 11:54 PM
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Replies: 15
Views: 1,177
Poor man HO intake
I recommend upgrading the intake. Cut the water crossover off carefully then use a death wheel and other tools to remove the exhaust crossover.
Pattern the cuts on the center like a factory HO...
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Forum: 67-69 Firebird TECH
03-31-2024, 09:48 PM
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Replies: 9
Views: 1,439
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Forum: 67-69 Firebird TECH
03-31-2024, 09:46 PM
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Replies: 9
Views: 1,439
I installed the longbranch manifolds on my 68...
I installed the longbranch manifolds on my 68 350HO like you are considering. The oil filter adapter is odd and will weep oil but overall a great upgrade. Dual exhaust with 2.5 inch headpipes will be...
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Forum: Pontiac - Street
02-15-2024, 12:06 PM
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Replies: 14
Views: 2,788
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Forum: Pontiac - Street
02-15-2024, 01:18 AM
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Replies: 14
Views: 2,788
Poor boy HO/RA cast iron intake
Yes you can do that and would result in the functional iron equivalent of the HO/RA intake.
I did something similar with a 234 manifold. I also have a 71 455HO setup. Once you remove the extra...
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Forum: Pontiac - Street
09-22-2023, 11:50 PM
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Replies: 30
Views: 2,130
Get the ported versions up front and use your...
Get the ported versions up front and use your current manifolds, intake and exhaust. Later when you get the itch again to claim more HP you just need to bolt on headers and an RPM intake. The...
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Forum: Pontiac - Street
08-03-2023, 04:07 PM
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Replies: 3
Views: 451
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Forum: Pontiac - Street
08-03-2023, 12:05 PM
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Replies: 3
Views: 451
9794234 Intake manifolds and date codes
What's the story on date code availability?
I've been watching classifieds and eBay for awhile to casually pick up a spare manifold to replace my cracked original. It's a date code E088
But I...
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Forum: Pontiac - Street
07-31-2023, 09:43 PM
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Replies: 82
Views: 8,215
Sounds great! Any porting to go along on the...
Sounds great! Any porting to go along on the heads? What was your chamber size on those #17s?
I did a set of #17 heads and mine were mid 80s CC chamber, but responded well to porting even with stock...
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Forum: Pontiac - Street
07-31-2023, 09:40 PM
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Replies: 82
Views: 8,215
After all the time in the hobby this is a first...
After all the time in the hobby this is a first for me, someone actually having taken a 350HO stick car down the strip. Thanks for the info I'm grateful! My 68 350HO car was an automatic and made a...
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Forum: Pontiac - Street
07-30-2023, 07:01 PM
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Replies: 82
Views: 8,215
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Forum: 67-69 Firebird TECH
05-19-2023, 11:02 PM
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Replies: 4
Views: 805
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Forum: 67-69 Firebird TECH
05-19-2023, 10:54 PM
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Replies: 4
Views: 805
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Forum: 67-69 Firebird TECH
09-13-2022, 12:27 AM
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Replies: 7
Views: 1,350
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Forum: Pontiac - Race
12-22-2021, 11:55 PM
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Replies: 40
Views: 11,280
Sure thing... this may well be the ultimate...
Sure thing... this may well be the ultimate Pontiac 350 build and it's currently under way. Spoiler, his plans include aluminum rods and heads.
Pontiac 350 Dyno Mule Disassembly....
...
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Forum: 67-69 Firebird TECH
09-06-2021, 10:43 PM
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Replies: 1
Views: 1,065
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Forum: 67-69 Firebird TECH
05-16-2021, 12:38 PM
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Replies: 4
Views: 1,174
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Forum: Non Pontiac Motors in Pontiacs
05-15-2021, 11:37 PM
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Replies: 3
Views: 4,576
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Forum: 67-69 Firebird TECH
05-15-2021, 11:29 PM
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Replies: 4
Views: 1,174
1968-74 Xbody has the later square mount end...
1968-74 Xbody has the later square mount end (instead of morse) that would work well with the later and aftermarket throttle brackets. You will need to do a little work to make the pedal end fit the...
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Forum: 67-69 Firebird TECH
03-10-2021, 12:49 AM
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Replies: 13
Views: 1,682
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Forum: Performance Parts For Sale/Wanted
02-10-2021, 04:04 PM
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Replies: 7
Views: 1,522
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Forum: Performance Parts For Sale/Wanted
02-06-2021, 11:09 PM
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Replies: 7
Views: 1,522
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Forum: Performance Parts For Sale/Wanted
02-05-2021, 06:58 PM
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Replies: 7
Views: 1,522
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Forum: Performance Parts For Sale/Wanted
02-01-2021, 11:40 AM
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Replies: 7
Views: 1,522
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Forum: Performance Parts For Sale/Wanted
01-28-2021, 06:08 PM
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Replies: 7
Views: 1,522
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