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Search: Posts Made By: Skippy597
Forum: Interior TECH 04-14-2025, 02:21 PM
Replies: 7
Views: 297
Posted By OG68
It was the first time for me too. Key is to have...

It was the first time for me too. Key is to have lots of patience and buy LOTS of hog rings with a dedicated hog ring cutter.
Forum: Interior TECH 04-14-2025, 01:28 AM
Replies: 7
Views: 297
Posted By rambow
I use 2" foam 55lb high density foam for both the...

I use 2" foam 55lb high density foam for both the lower and upper cushion.
I don't carve it to shape at all, just leave 3-4" along the front and sides and the cover will compress it to shape.
...
Forum: Interior TECH 04-13-2025, 03:39 PM
Replies: 7
Views: 297
Posted By tjs72lemans
On my 72 Lemans I actually bought a roll of foam...

On my 72 Lemans I actually bought a roll of foam from Walmart that worked well. I believe it was either 1 1/2" or 2" for rear seat.
Forum: Interior TECH 04-13-2025, 02:52 PM
Replies: 7
Views: 297
Posted By OG68
I did the seat bottom in my 68 with 2" foam...

I did the seat bottom in my 68 with 2" foam medium density. Cut and trimmed with an old bread knife. Used cotton batting (as original) to fill in the gaps. It felt and looked overstuffed on the...
Forum: Pontiac - Street 03-20-2025, 02:19 PM
Replies: 45
Views: 3,943
Posted By charlie66
I drill the plug with a 1/8" bit like 7/8" of the...

I drill the plug with a 1/8" bit like 7/8" of the way then finish it with a .030 bit . It makes it much easier and faster..
Forum: Pontiac - Street 03-16-2025, 10:45 PM
Replies: 78
Views: 10,405
Posted By Lee
Did I never post the results? My apologies. ...

Did I never post the results? My apologies.

Second graph shows after I swapped the old pistons/rods for KB347 mini-dome and SCAT rods (bumping cr to 8.4), and most recently retarding cam 2...
Forum: Pontiac - Street 03-16-2025, 05:49 PM
Replies: 78
Views: 10,405
Posted By steve25
Believe it or not great low lift exh flow is...

Believe it or not great low lift exh flow is much important to a motor with less then 9 to 1 compression then a higher compression motor.

A low comp motor retains a lot more unused cylinder...
Forum: Pontiac - Street 03-16-2025, 10:23 AM
Replies: 38
Views: 1,990
Posted By Skip Fix
So yesterday pulled out a few rods I have and...

So yesterday pulled out a few rods I have and weighed them.
The earlier wt on the Cower Billet was with bearings so I pulled them out for apples to apples

Crower Billet 6.625 853gm
Crower...
Forum: Pontiac - Street 03-14-2025, 05:31 PM
Replies: 38
Views: 1,990
Posted By b-man
Thumbs up Scat makes some very high quality parts,...

Scat makes some very high quality parts, machining done in house from what I understand.

Recently bought a set of four 5.7” H-beams w/ARP 2000 3/8” bolts (air-cooled VW) for $291.58, with tax and...
Forum: Pontiac - Street 03-14-2025, 04:13 PM
Replies: 38
Views: 1,990
Posted By Skip Fix
OPH this week I weighed some Crower Sportsman...

OPH this week I weighed some Crower Sportsman 6.625 833 gm. Crower billet 6.625 908 gms!

My 500" IA has 6.625 SCATs and so far so good shifting at 6500. They did not need any resizing when we...
Forum: Pontiac - Street 03-14-2025, 03:31 PM
Replies: 38
Views: 1,990
Posted By mgarblik
Lots of answers from your lowest cost Eagle...

Lots of answers from your lowest cost Eagle H-beams to the Scat I beams to $2000.00 a set Carrillo connecting rods for a 500=550 HP Pontiac V-8 that may see 6000 RPM's a couple times? I love...
Forum: Pontiac - Street 03-14-2025, 03:42 AM
Replies: 38
Views: 1,990
Posted By 65 Lamnas
I went with the Molnar H-beams due to their...

I went with the Molnar H-beams due to their quality and the weight savings over Eagle and Scat
Forum: Pontiac - Street 03-09-2025, 11:49 PM
Replies: 103
Views: 30,936
Posted By Verdoro 68
Got it installed this afternoon. Pretty easy...

Got it installed this afternoon. Pretty easy setup and initial fire. I swapped out the melonized gear for the composite BOP gear I've been running. I started with initial at 12 degrees, but I ended...
Forum: Pontiac - Street 03-08-2025, 02:04 PM
Replies: 39
Views: 1,777
Posted By Stan Weiss
Can someone else do the math? If I use 72 cc...

Can someone else do the math?

If I use 72 cc heads 18cc dish and .038" head gasket I get 10.593:1 CR

If I use 82 cc heads 22cc dish and .038" head gasket I get 9.398:1 CR

Stan
Forum: Pontiac - Street 03-06-2025, 12:30 AM
Replies: 53
Views: 4,185
Posted By jhein
I have a 467 with the Butler 236/242 cam on a...

I have a 467 with the Butler 236/242 cam on a 112LSA. I like it. I get around 15" vacuum with a slightly choppy idle and tons of power with really good driving manners with a factory intake and...
Forum: Pontiac - Street 03-05-2025, 02:57 PM
Replies: 45
Views: 6,983
Posted By TransAm 474
Mine is just a street engine, maybe 475hp .......

Mine is just a street engine, maybe 475hp .... 461" with a cast 4.25" Stroke crank/6.700" H-Beam Eagle Rod, 1973 400 block, bottom filled with PontiacDudes fill, to bottom of center freeze plug....
Forum: Pontiac - Street 03-05-2025, 02:36 PM
Replies: 45
Views: 6,983
Posted By JLMounce
Maybe think about a good balancer. I use a BHJ...

Maybe think about a good balancer. I use a BHJ on my build. Anything you do there is insurance IMHO.
Forum: Pontiac - Street 03-05-2025, 02:27 PM
Replies: 45
Views: 6,983
Posted By JLMounce
The 400 based strokers make power a little...

The 400 based strokers make power a little differently than a true 455 due to the more undersquare nature of the engine. It is true that the larger 3.25" main on the 455 does carry load a little bit...
Forum: Pontiac - Street 03-04-2025, 11:49 AM
Replies: 45
Views: 6,983
Posted By grandam1979
Not entering the debate just my experience 2 bolt...

Not entering the debate just my experience 2 bolt caps with studs 582hp 12 years later still run’s strong still has 80psi + on startup. My 2¢
Forum: Pontiac - Street 03-03-2025, 12:39 PM
Replies: 45
Views: 6,983
Posted By mgarblik
Here is link for the pins. ...

Here is link for the pins.

http://www.precisionautomotivespecialists.com/Pontiac-V8-Engine-Dowel-Pins.html#anchor_86he
Forum: Pontiac - Street 03-03-2025, 12:36 PM
Replies: 45
Views: 6,983
Posted By mgarblik
If I was building your short block, an economical...

If I was building your short block, an economical and strength improvement I would recommend at the horsepower level your considering is as follows. I would go the expense of purchasing the longer,...
Forum: Pontiac - Street 03-03-2025, 11:32 AM
Replies: 45
Views: 6,983
Posted By JLMounce
This. My 455 that I just rebuilt needed to have...

This. My 455 that I just rebuilt needed to have the line bore touched up anyway. That being the case, going to studs with the stock caps only cost my the purchase of the ARP studs. I think it came...
Forum: Pontiac - Street 03-03-2025, 10:04 AM
Replies: 45
Views: 6,983
Posted By mgarblik
Those costs are in the ballpark of what that work...

Those costs are in the ballpark of what that work would be in Ohio at a quality machine shop. Line hone of 2 bolt block would be $200.00-250.00. Fitting billet caps, straight bolts, line bore, line...
Forum: Pontiac - Street 03-03-2025, 09:58 AM
Replies: 45
Views: 6,983
Posted By steve25
Keep in mind that it takes a lot of cam to hold...

Keep in mind that it takes a lot of cam to hold on peak power at 6000 rpm with even just a 455 with a stock stroke.

455s bored .060” and minimally stroked running in super stock class with ported...
Forum: Pontiac - Street 03-03-2025, 09:39 AM
Replies: 45
Views: 6,983
Posted By performerrpm
just line honing for studs isnt as costly as...

just line honing for studs isnt as costly as changinging to 4 bolt caps. i think mine came to 100 bucks for the bolts and a couple hundred for line hone. to line bore and machine the thrust for 4...
Showing results 1 to 25 of 181

 
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