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Search took 0.15 seconds. Search: Posts Made By: steve25
Forum: Pontiac - Street Today, 03:53 PM
Replies: 33
Views: 703
Posted By steve25
568 corrected flywheel hp i believe.

568 corrected flywheel hp i believe.
Forum: Pontiac - Street Today, 09:13 AM
Replies: 33
Views: 703
Posted By steve25
Ok got,and thanks for waking me up this morning...

Ok got,and thanks for waking me up this morning Stan, but still something is off with those results.
Forum: Pontiac - Street Today, 08:47 AM
Replies: 33
Views: 703
Posted By steve25
Yup, something stinks here! I don’t care if...

Yup, something stinks here!

I don’t care if you had tested a NA 588 cid motor, your not making 590 crankshaft hp at less then 3000 rpm, it’s pure bs or a mistake!
Forum: Pontiac - Street Today, 06:51 AM
Replies: 33
Views: 703
Posted By steve25
You’re stating that you just had your car tested...

You’re stating that you just had your car tested on this chassis dyno, yet unless I am reading the sheet wrong this print out / test is from 2022.
I don’t think this is your test!
Forum: Pontiac - Street Today, 05:14 AM
Replies: 33
Views: 703
Posted By steve25
How is the reported torque at the crank (1223 )...

How is the reported torque at the crank (1223 ) over 330 foot pounds higher then at the rear wheels when the rear wheel torque is being multiplied by the rear gears?

I am assuming that this...
Forum: Pontiac - Street Yesterday, 12:27 PM
Replies: 27
Views: 616
Posted By steve25
Your first concern should be to step into the...

Your first concern should be to step into the 1980s with a piston that does not use 5/64” wide (high friction ) compression rings.
Forum: Pontiac - Street Yesterday, 12:17 PM
Replies: 43
Views: 1,924
Posted By steve25
The 524886 was known as the number 6 hydro cam . ...

The 524886 was known as the number 6 hydro cam .
It was only used in 58 thru 62 motors and is a tad hotter then the 067 cam.

The 886 has 60 degrees of overlap while the 067 has 54.
Forum: Pontiac - Street Yesterday, 06:51 AM
Replies: 43
Views: 1,924
Posted By steve25
Here’s the old yet still valid HO racing...

Here’s the old yet still valid HO racing recommendations for camming and gearing a 350.

The gearing recommendations are probably even more valid today with the under 10 to 1 compression that...
Forum: Pontiac - Street Yesterday, 06:36 AM
Replies: 15
Views: 535
Posted By steve25
What Kenth is proposing in the above is a...

What Kenth is proposing in the above is a distinct possibility.

To find out yank out #8 spark plug and both lifters for #8 cylinder, kill the spark and have someone crank the motor over while you...
Forum: Pontiac - Street Yesterday, 05:10 AM
Replies: 9
Views: 326
Posted By steve25
If it was a mechanical failure that cracked a...

If it was a mechanical failure that cracked a Bore then be sure to carefully have the line Bore for both the crank and Cam checked.

In the Cam still in the motor or at least the Cam bearings?
...
Forum: Pontiac - Street Yesterday, 05:03 AM
Replies: 6
Views: 364
Posted By steve25
If it's a cast Silvio-Lite piston then like I...

If it's a cast Silvio-Lite piston then like I posted I recall them having near stock valve size notches for the 14 degree valve inclination angle and the early ones.

The early where about 3.4 to...
Forum: Pontiac - Street 09-24-2024, 05:20 PM
Replies: 6
Views: 281
Posted By steve25
I am at a complete loss as to why with any rocker...

I am at a complete loss as to why with any rocker ratio being used you can’t go by the sweep pattern seen.

Maybe the person you spoke to knows that the sharps are much closer to being 1.7 and has...
Forum: Pontiac - Street 09-24-2024, 05:12 PM
Replies: 6
Views: 364
Posted By steve25
Ken from what I recall in total it was 11Ccs, but...

Ken from what I recall in total it was 11Ccs, but no less than 10 CCs.

In terms of the compression height I have no recall on that spec for those.
Forum: Pontiac - Street 09-24-2024, 03:16 PM
Replies: 116
Views: 13,763
Posted By steve25
That 30 year old 327 build with ported double...

That 30 year old 327 build with ported double hump heads will not even make 380 Hp !
Those size piston domes needed to make 14.5 with a 327 cid motor will cut into flame travel like your buddy will...
Forum: Pontiac - Street 09-24-2024, 02:46 PM
Replies: 15
Views: 535
Posted By steve25
Was this block once fitted with lifter bore...

Was this block once fitted with lifter bore restrictiors ?
Maybe the one for 8 exh got left in?
Forum: Pontiac - Street 09-24-2024, 01:09 PM
Replies: 9
Views: 458
Posted By steve25
I agree with the above fully.

I agree with the above fully.
Forum: Pontiac - Street 09-24-2024, 11:31 AM
Replies: 9
Views: 458
Posted By steve25
I have never used used them, but that said I...

I have never used used them, but that said I always have a tube of the aluminum and brass Bars leak stuff in the glove box.
Forum: Pontiac - Street 09-24-2024, 11:28 AM
Replies: 37
Views: 1,189
Posted By steve25
I have had 4 of the ones drilled and tapped so...

I have had 4 of the ones drilled and tapped so just a case of the chance I guess!

Anyway if your not looking to run 4 bolt caps the non drilled and tapped blocks are stronger anyway.
Forum: Pontiac - Street 09-24-2024, 06:53 AM
Replies: 37
Views: 1,189
Posted By steve25
1970 was the last year for that 140 block after...

1970 was the last year for that 140 block after that the 455 used the 428455 part number block for a number of years and it seems that all of them where at least drilled and tapped for 4 bolt main...
Forum: Pontiac - Street 09-24-2024, 04:57 AM
Replies: 15
Views: 535
Posted By steve25
Get set to pull the Intake and the valley pan...

Get set to pull the Intake and the valley pan because your either going to have to replace that lifter or you will have taken that lifter apart and washed out the crap that's in there andnot allowing...
Forum: Pontiac - Street 09-22-2024, 02:59 PM
Replies: 11
Views: 350
Posted By steve25
With studs or bolts this is the way I have ...

With studs or bolts this is the way I have always added a bead of sealant during assembly and have never had a leak..

All the oil pan bolt holes are blind.
Forum: Pontiac - Street 09-21-2024, 03:39 PM
Replies: 14
Views: 571
Posted By steve25
Can’t beat that!

Can’t beat that!
Forum: Pontiac - Street 09-20-2024, 04:25 PM
Replies: 5
Views: 272
Posted By steve25
How has your heads been set up, for positive...

How has your heads been set up, for positive guide mounted valve seals?
Forum: Pontiac - Street 09-20-2024, 02:59 PM
Replies: 5
Views: 272
Posted By steve25
The comp cams springs require their retainer to...

The comp cams springs require their retainer to the stated pressure.

Get the SBI springs and if they ship as separate inner and outers be sure to install the inners so they are counter wound to...
Forum: Pontiac - Street 09-20-2024, 10:40 AM
Replies: 9
Views: 445
Posted By steve25
I don’t feel it’s too much cam as long as you...

I don’t feel it’s too much cam as long as you have better 2.93 rear gears and the converter is not stock stall if the car is a automatic.

One condition though is that cams valve lift.
The heads...
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