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Search took 0.03 seconds. Search: Posts Made By: BLUE TA
Forum: Pontiac - Street 11-28-2025, 02:40 AM
Replies: 20
Views: 738
Posted By tooski
I can't remember if I read it here or on SD's...

I can't remember if I read it here or on SD's website. Well before the fire, Dave stopped porting the stock heads. Too labour intensive and time consuming because of the cast iron.
Forum: Pontiac - Street 10-08-2025, 06:44 PM
Replies: 14
Views: 497
Posted By Half-Inch Stud
Ha, just today i tried to pound the 421 crank key...

Ha, just today i tried to pound the 421 crank key out. Nope! It stays in for the build, Walked away.
Forum: Pontiac - Street 09-29-2025, 11:27 AM
Replies: 7
Views: 562
Posted By zippy
You mean these books? Lol. On my desk all...

You mean these books? Lol. On my desk all summer long this year
Forum: Pontiac - Street 09-12-2025, 08:28 PM
Replies: 67
Views: 3,986
Posted By hurryinhoosier62
Nearly all the 4340 rods I have seen that were...

Nearly all the 4340 rods I have seen that were sold by Ace were “H” beams, but I do recall RPM International ( Ace’s source) did sell an “ultra light” 4340 “I” beam rod.
Forum: Pontiac - Street 09-11-2025, 08:37 PM
Replies: 14
Views: 847
Posted By 65 Lamnas
Talk to Ray Klemm. Many times that type of...

Talk to Ray Klemm. Many times that type of breakage can be repaired.
Forum: Pontiac - Race 09-02-2025, 08:16 PM
Replies: 22
Views: 2,568
Posted By ponjohn
Prayers for "The Dude"

Ken is in the ICU.

Keep his health in your thoughts.
Forum: Pontiac - Street 07-14-2025, 09:36 AM
Replies: 26
Views: 1,522
Posted By 78w72
Summits house brand is a reboxed powermaster, I...

Summits house brand is a reboxed powermaster, I have been using one for 10+ years on a 500+hp 10.7:1 467 stroker thats is real close to big 2" header tubes. It works great, never any issues from no...
Forum: Pontiac - Street 07-03-2025, 12:53 PM
Replies: 10
Views: 970
Posted By 'ol Pinion head
Have owned a few A & F-body partscars that still...

Have owned a few A & F-body partscars that still had their original Saginaw 4spds, one of the last was a '73 LeMans GT which originally was 350 2bbl car. Most of my keeper Pontiacs & projects are big...
Forum: Pontiac - Street 06-22-2025, 01:20 PM
Replies: 11
Views: 853
Posted By ZeGermanHam
Cold Case radiators fit and work well....

Cold Case radiators fit and work well. Recommended.
Forum: Pontiac - Street 05-20-2025, 03:31 PM
Replies: 13
Views: 966
Posted By VCho455
And while your doing that verify that the...

And while your doing that verify that the balancer mark is at TDC when the piston is at the top of the cylinder. It's possible the balancer has spun on the hub. I'd bet It's one of these and that's...
Forum: Pontiac - Street 05-13-2025, 12:49 AM
Replies: 239
Views: 17,640
Posted By Stan Weiss
Have you done a cranking compression test? If so...

Have you done a cranking compression test? If so what are see seeing.

Stan
Forum: Pontiac - Street 04-27-2025, 05:48 AM
Replies: 19
Views: 1,539
Posted By Joe's Garage
Did you verify your timing mark is accurate?

Before you do anything else, make sure that the mark actually indicates TDC.

It's REALLY common for the outer ring to slip on older, original balancers.
Forum: Pontiac - Street 04-13-2025, 05:51 PM
Replies: 19
Views: 1,407
Posted By 65 Lamnas
You can add a ported vacuum advance port if you...

You can add a ported vacuum advance port if you want one.
Forum: Pontiac - Street 04-13-2025, 06:03 AM
Replies: 19
Views: 1,407
Posted By Kenth
Not true at all! 1970-71 and 73-74 engines,...

Not true at all!

1970-71 and 73-74 engines, except 1971 455 H.O., uses the Transmission Control Spark system, TCS.
1971 455 H.O. uses a ported vacuum source with a TVS to control the vacuum...
Forum: Pontiac - Street 03-07-2025, 06:19 PM
Replies: 74
Views: 9,437
Posted By Jay S
That Summit 2821 is identical to the Melling...

That Summit 2821 is identical to the Melling SPC-8 041 cam, both ground by CMC in Michigan, and ground on the same cam core. Might as well pick the cheaper one, there is no difference.

The 60919...
Forum: Pontiac - Street 03-04-2025, 01:51 PM
Replies: 53
Views: 6,043
Posted By SD455DJ
My brother Dan has built many 455HO’s for the...

My brother Dan has built many 455HO’s for the Pure Stock Drags and stock, they are easy 400 hp/500 lbft engines with 8.5 to 1 compression and 068 style cams (Summit 2801). He built a nice ’71 455HO...
Forum: Pontiac - Street 02-28-2025, 04:35 PM
Replies: 2
Views: 1,963
Posted By steve25
I would pick up a set of Autolite #26 or if your...

I would pick up a set of Autolite #26 or if your wallet as more green in it get a set of AP26.
Forum: Pontiac - Street 02-13-2025, 03:24 PM
Replies: 27
Views: 4,489
Posted By Cliff R
"Any thoughts on CROWERs 60243 (228* / 235*...

"Any thoughts on CROWERs 60243 (228* / 235* 112*LS) Maybe dont need to raise the compression to 10:1
Any thoughts Cliff ????"

I've used that cam many times in 400 builds, but never in a 455, so...
Forum: Pontiac - Street 01-07-2025, 05:19 PM
Replies: 14
Views: 1,781
Posted By b-man
Regarding the 3” versus 3.25” main bearing speed,...

Regarding the 3” versus 3.25” main bearing speed, on a street engine and in many non-endurance race engines it’s pretty much a non-issue.
...
Forum: Pontiac - Street 01-06-2025, 11:05 PM
Replies: 165
Views: 46,530
Posted By AG
I would first take every spring and measure the...

I would first take every spring and measure the height to get the seat pressure you want and mark each spring. Then check the installed height of every valve and you'll know how much you have to...
Forum: Pontiac - Street 01-03-2025, 10:31 AM
Replies: 27
Views: 3,005
Posted By 78w72
X3 on the summit mini, have one on a 10:7 467...

X3 on the summit mini, have one on a 10:7 467 stroker for 10+ years, no issues at all with starting power, reliability or install/fitment.

Not sure which part# it is but summit mini starters are...
Forum: Pontiac - Street 01-02-2025, 11:05 PM
Replies: 27
Views: 3,005
Posted By Dragncar
I have had a Summit starter on my car forever. No...

I have had a Summit starter on my car forever. No troubles.
Forum: Pontiac - Street 12-29-2024, 01:23 AM
Replies: 22
Views: 1,550
Posted By Jay S
Stock valve length and 68404 springs are hard to...

Stock valve length and 68404 springs are hard to beat with a RA 4 cam. Pretty simple combo.
Forum: Pontiac - Street 12-26-2024, 06:32 PM
Replies: 74
Views: 9,437
Posted By Kenth
Here is the Summit RAIV camshaft: ...

Here is the Summit RAIV camshaft:

https://www.summitracing.com/parts/sum-2821#overview
Forum: Pontiac - Street 12-26-2024, 06:13 PM
Replies: 74
Views: 9,437
Posted By 77 TRASHCAN
I did some digging. Somewhere, here, someone...

I did some digging. Somewhere, here, someone mentioned Summit's 041 cam (their branding) part number 2821. It's a 041 copy, also.
I'm not sure how long it's been out. It's considerably cheaper than...
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