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Showing results 1 to 25 of 28
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Formulas
Forum:
Pontiac - Street
02-10-2025, 09:28 AM
Replies:
12
Just Wondering….
Views:
384
Posted By
PAUL K
That's the sign of a lifter with sloppy internal...
That's the sign of a lifter with sloppy internal clearance.
Forum:
Pontiac - Street
01-24-2025, 05:51 PM
Replies:
6
Edelbrock heads ID help 6056
Views:
443
Posted By
Tandyman
I believe that all early style (72 and 87...
I believe that all early style (72 and 87 cc)combustion chamber round heads both had the 6056 casting number.
I think that the 72 cc head combustion chamber was as cast and the 87 cc combustion...
Forum:
Pontiac - Street
01-24-2025, 10:38 AM
Replies:
21
Engine assistance needed
Views:
1,292
Posted By
OCMDGTO
How about something simple like the throttle...
How about something simple like the throttle linkage not opening up all the way?
Forum:
Pontiac - Street
01-18-2025, 10:10 AM
Replies:
22
Ho racing Cams
Views:
1,861
Posted By
PAUL K
H-O Racing was the best!
H-O Racing was the best!
Forum:
Pontiac - Street
01-17-2025, 11:36 AM
Replies:
9
Should I replace #94 heads with #13 heads on a 400?
Views:
650
Posted By
J.C.you
Just saying only 10 hp is deceiving to someone...
Just saying only 10 hp is deceiving to someone that may think, why bother? I hear this frequently on the boards by keyboard warriors armed with simulation hardware.
That’s across the entire...
Forum:
Pontiac - Street
01-14-2025, 11:37 AM
Replies:
13
Damp climate plus non-use equals junk
Views:
983
Posted By
turbo69bird
I worked with a road race team for years, the guy...
I worked with a road race team for years, the guy who I worked with was partly the person the days of thunder movie crew chief was loosely based on, yeah I know road racing isn’t roundy round but ...
Forum:
Pontiac - Race
11-17-2024, 02:56 PM
Replies:
9
highest engine load (detonation)?
Views:
574
Posted By
slowbird
Peak tq is highest cylinder pressure. Loose...
Peak tq is highest cylinder pressure. Loose converter and light throttle along with cool engine Temps will all help
Forum:
Pontiac - Race
10-28-2024, 11:38 AM
Replies:
148
speedmaster aluminum heads
Views:
24,508
Posted By
besserspat
[QUOTE=PAUL K;6532643]I think everyone is mad at...
[QUOTE=PAUL K;6532643]I think everyone is mad at Speed Master for copyright infringement and are going to boycott the Black Friday sale .... At least that's what I heard.[/QUOTE
I feel a little...
Forum:
Pontiac - Street
10-25-2024, 09:03 PM
Replies:
27
Tired of the drip, drip, drip…
Views:
1,791
Posted By
Sirrotica
FYI: the sealant I linked to is rated for damn...
FYI: the sealant I linked to is rated for damn near any liquid or gas someone would run into in a home, factory, or an automotive application. Your take that it's only meant for sealing water pipe is...
Forum:
Pontiac - Race
10-23-2024, 02:44 PM
Replies:
18
rpm forged crank sale
Views:
1,503
Posted By
Jack Ferris
You are correct.
You are correct.
Forum:
Pontiac - Race
10-21-2024, 08:37 AM
Replies:
18
rpm forged crank sale
Views:
1,503
Posted By
PAUL K
We built a quite a few 4.375 stroke factory block...
We built a quite a few 4.375 stroke factory block combinations before the aftermarket blocks came to market. They made good power across the board and worked better than a 4.5 stroke.
Forum:
Pontiac - Street
10-06-2024, 07:19 PM
Replies:
82
Pictures of Stealth Aluminum Heads
Views:
14,163
Posted By
tempest1964
I saw this thread some time back. Thought I’d try...
I saw this thread some time back. Thought I’d try my hand at some stealth heads. I was going for the 1964 9770716 look.
Forum:
Pontiac - Street
10-01-2024, 09:59 AM
Replies:
114
Comp Evolution HR lifters
Views:
6,682
Posted By
CROCIE JR
Lets just say. The block and heads grow 0.013"....
Lets just say. The block and heads grow 0.013". You set preload at 0.014". Done.
If you want to set the lifters a few thousands from the bottom that's fine too! Basically a few thou past total...
Forum:
Pontiac - Street
09-28-2024, 11:56 AM
Replies:
7
Valve Tip Sweep Pattern
Views:
667
Posted By
CROCIE JR
Position of the roller tip on the valve is not...
Position of the roller tip on the valve is not very important. If its in the center, great. If its off to one side or the other 0.050" who cares. If you have the narrowest sweep, you have by default...
Forum:
Pontiac - Street
09-25-2024, 06:17 PM
Replies:
49
Poll:
Piston Advantages
Views:
3,063
Posted By
chiphead
Autotec 4032 alloy is what I used on my 434...
Autotec 4032 alloy is what I used on my 434 build. You didn't specify if you need a dish or not, or what rings you want. The Autotec lets you spec anything you want for ring pack, ring placement,...
Forum:
Pontiac - Street
09-16-2024, 06:22 PM
Replies:
52
1970 350 mods
Views:
3,996
Posted By
PAUL K
I think 350's are good street engines and respond...
I think 350's are good street engines and respond to modifications just like any motor. I think one needs to be realistic about power numbers and I prefer flywheel dyno numbers or quarter mile times...
Forum:
Pontiac - Street
09-15-2024, 06:01 PM
Replies:
13
Possible cause...
Views:
1,045
Posted By
chiefbigb
Cap may not be letting air back into the system...
Cap may not be letting air back into the system when it cools down. Pulls a vacuum slightly on the system. I see it allot in the trucking industry
Forum:
Pontiac - Race
08-30-2024, 06:02 PM
Replies:
15
plugging the rear crossover on the heads
Views:
1,369
Posted By
Skip Fix
I have the ones on my IA both connected to the...
I have the ones on my IA both connected to the front crossover.
Forum:
Pontiac - Street
08-25-2024, 08:43 AM
Replies:
18
Oil filter options
Views:
1,426
Posted By
tom s
Those look SOOoo good hanging in the engine...
Those look SOOoo good hanging in the engine compartment,I’ll jump right on it!NOT!
Forum:
Pontiac - Street
02-16-2024, 12:08 AM
Replies:
47
Cam and rocker ratio info.
Views:
8,779
Posted By
PAUL K
Lol..... You going full Biden on us Gach?...
Lol..... You going full Biden on us Gach? Ultradyne shut down years and the owner passed quite a while ago.
Forum:
Pontiac - Street
02-15-2024, 05:09 AM
Replies:
14
Intake thoughts/ repop benefits but iron.
Views:
2,985
Posted By
Tim Corcoran
I'm curious about the difference between filling...
I'm curious about the difference between filling the heat cross over in the heads with aluminum and eliminating the cross over on the intake manifold. Wouldn't that have the same effect?
Forum:
Pontiac - Street
02-12-2024, 04:28 PM
Replies:
32
I will build a 1967 428 ci HO YK Code Pontiac with the help of a machine shop
Views:
6,213
Posted By
b-man
Goodbye troll. :mad: :ranger:
Goodbye troll. :mad:
:ranger:
Forum:
Pontiac - Street
12-22-2023, 02:26 AM
Replies:
90
11.4:1 455 need some help, i think
Views:
9,516
Posted By
Scubasteve95
Ok I'm back with some real world data not the...
Ok I'm back with some real world data not the ramblings of the computer Einstein's like trollcar and the rest of the minion's here. you did get one thing right trollcar " i got what i was going to...
Forum:
Pontiac - Street
12-07-2023, 06:36 PM
Replies:
816
Question about 041 Cam
Views:
191,845
Posted By
b-man
And so it ends.
And so it ends.
Forum:
SOLD Pontiacs
05-08-2023, 11:34 AM
Replies:
7
1966 Pontiac GTO
Views:
3,499
Posted By
Mr. G
Sale pending!
Sale pending!
Showing results 1 to 25 of 28
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