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Forum: Pontiac - Street 03-25-2024, 10:40 AM
Replies: 6
Views: 214
Posted By Steve C.
At one time Auburn had an exchange program for a...

At one time Auburn had an exchange program for a new unit. Send it in and for a modest fee they would provide a new one, this to counter the bad rap that they are not rebuildable.

For years I ran...
Forum: Pontiac - Street 03-23-2024, 07:53 PM
Replies: 43
Views: 1,138
Posted By Steve C.
Anymore information like CR or cam specs given? ...

Anymore information like CR or cam specs given?

Good luck ! Typically they are Secret Squirrels regarding cam specs.


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Forum: Pontiac - Street 03-21-2024, 04:30 PM
Replies: 43
Views: 1,138
Posted By Steve C.
Here in this example only about 15 HP difference...

Here in this example only about 15 HP difference between a 4150 carb and a 1050 Dominator carb....

I have a old Brad Urban model 4779 Holley 750 Double Pumper carburetor . It has his Stage 3...
Forum: Pontiac - Street 03-21-2024, 10:48 AM
Replies: 43
Views: 1,138
Posted By Steve C.
Something a bit bigger than the Dave Bisschop...

Something a bit bigger than the Dave Bisschop Road Paver.....

He has done a 535 using Edelbrock 345cfm heads at 10.75:1 compression and a hydraulic roller cam in the 250's / 260's with a 114 lobe...
Forum: Pontiac - Street 03-21-2024, 10:02 AM
Replies: 43
Views: 1,138
Posted By Steve C.
Dave Bisschop's custom 'Road Paver' uses Comp...

Dave Bisschop's custom 'Road Paver' uses Comp High Lift Magnum lobes.

Lobes 3115 and 3116 and typically ordered with a "B" lobe suffix code.

Used with a Pontiac cam journal size the rated...
Forum: Pontiac - Street 03-19-2024, 10:46 AM
Replies: 58
Views: 2,098
Posted By Steve C.
Solid roller lifters on hydraulic roller...

Solid roller lifters on hydraulic roller profile....

https://www.yellowbullet.com/threads/solid-roller-lifters-on-hydraulic-roller-profile.2680361/


Note tom s post number 11 within that...
Forum: Pontiac - Street 03-18-2024, 03:55 PM
Replies: 58
Views: 2,098
Posted By Steve C.
"...in most applications we use the Crane 99893...

"...in most applications we use the Crane 99893 valve spring, installed at 1.790-1.810", I set the intakes on the tighter side of the tolerance, I test all the springs and always put the ones with...
Forum: Pontiac - Street 03-17-2024, 07:52 PM
Replies: 34
Views: 1,191
Posted By Steve C.
Example, using the intake lobes for conversation...

Example, using the intake lobes for conversation in comparing the Crowers tiny 60240 cam to one at Bullet Racing, their HF260/300 lobe.

The Bullet lobe has less advertised duration with 260...
Forum: Pontiac - Street 03-17-2024, 07:22 PM
Replies: 34
Views: 1,191
Posted By Steve C.
The tighter lobe separation might be helpful for...

The tighter lobe separation might be helpful for a lower compression. But in the OPs situation wanting the 'smooth idle' it would be negative because the Idle quality would suffer.
That said a...
Forum: Pontiac - Street 03-17-2024, 03:24 PM
Replies: 34
Views: 1,191
Posted By Steve C.
EFFECTS OF CHANGING LOBE SEPERATION ANGLE (LSA)...

EFFECTS OF CHANGING LOBE SEPERATION ANGLE (LSA) HERE:

https://www.compcams.com/cam-timing-lobe-separation-angle


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Forum: Pontiac - Street 03-16-2024, 07:41 PM
Replies: 34
Views: 1,191
Posted By Steve C.
Stated... "Seemed to pull to 4800 to 5200 and...

Stated... "Seemed to pull to 4800 to 5200 and fall off sharply. Could have been the stock springs but didn`t hear anything bad going on."

Might of been nose diving due to inadequate pressure to...
Forum: Pontiac - Street 03-16-2024, 12:20 PM
Replies: 34
Views: 1,191
Posted By Steve C.
Cam Quandary An In-Depth Look at the '77-'79...

Cam Quandary

An In-Depth Look at the '77-'79 T/A 6.6 Camshaft Specs

https://www.motortrend.com/how-to/hppp-0609-pontiac-trans-am-cam-quandary/


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Forum: Pontiac - Street 03-15-2024, 11:07 AM
Replies: 12
Views: 593
Posted By Steve C.
Engine Bearings: To Coat or Not to Coat? ...

Engine Bearings: To Coat or Not to Coat?

https://www.enginebuildermag.com/2021/08/engine-bearings-to-coat-or-not-to-coat/


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Forum: Pontiac - Street 03-15-2024, 09:15 AM
Replies: 12
Views: 593
Posted By Steve C.
Both PolyDyn Performance Coatings and Calico...

Both PolyDyn Performance Coatings and Calico Coatings are good sources. I've used both.
If interested order direct from Calico bearings coated with their dry film lubricant coatings to help reduce...
Forum: Pontiac - Street 03-13-2024, 06:58 PM
Replies: 40
Views: 1,035
Posted By Steve C.
Swapping a 700-r4 or 200- 4r into a GTO and and...

Swapping a 700-r4 or 200- 4r into a GTO and and other related threads...


https://forums.maxperformanceinc.com/forums/showthread.php?t=607637
...
Forum: Pontiac - Street 03-13-2024, 12:20 PM
Replies: 40
Views: 1,035
Posted By Steve C.
I see Art Carr mentioned above. A related tid...

I see Art Carr mentioned above. A related tid bit, I presume it might be the same today but years ago according to Art Carr, the fuel economy to be gained by a lock-up converter may not be so great....
Forum: Pontiac - Street 03-13-2024, 09:53 AM
Replies: 40
Views: 1,035
Posted By Steve C.
Make sure the company that builds the 200-4R...

Make sure the company that builds the 200-4R transmission knows what type of converter will be in use.... lock-up or non-lock up.



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Forum: Pontiac - Street 03-11-2024, 09:03 PM
Replies: 25
Views: 799
Posted By Steve C.
After I installed the 505 in my car I read the...

After I installed the 505 in my car I read the High Performance Pontiac Magazine article about installing the 200-4R transmission. It garnered some interest.
So I looked into it further and went to...
Forum: Pontiac - Race 03-04-2024, 10:17 PM
Replies: 9
Views: 463
Posted By Steve C.
The handy chart above, again based on the inside...

The handy chart above, again based on the inside diameter.


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Forum: Pontiac - Race 03-04-2024, 05:20 PM
Replies: 9
Views: 463
Posted By Steve C.
Posted for conversation... ...

Posted for conversation...

https://www.motortrend.com/how-to/header-primary-tube-diameter-affects-performance/

Note on the graph it states "inside" diameter. Take note of the tubing used on...
Forum: Pontiac - Street 02-28-2024, 08:04 PM
Replies: 5
Views: 521
Posted By Steve C.
Very similar to Butler custom except with an...

Very similar to Butler custom except with an additional 6 degrees exhaust duration. They are COMP XE lobes.
...
Forum: Pontiac - Street 02-26-2024, 07:15 PM
Replies: 12
Views: 536
Posted By Steve C.
I run custom headers on my TA and with their...

I run custom headers on my TA and with their re-routing everything has been raised up for at least 2 inches additional ground clearance.
Because of the design I run a remote oil filter set up with...
Forum: Pontiac - Street 02-24-2024, 07:18 PM
Replies: 19
Views: 806
Posted By Steve C.
Paul mentioned my previous 600 hp 462cid combo. ...

Paul mentioned my previous 600 hp 462cid combo.

During the dyno session we tested a Holley Street Dominator intake that was worked by Dave Bisschop with a 1/2" open spacer and it made 589.4 hp at...
Forum: Pontiac - Street 02-24-2024, 06:45 PM
Replies: 19
Views: 806
Posted By Steve C.
Google.... Is intake manifold port matching...

Google....

Is intake manifold port matching worth it?

You will get dozens of responses, and the same amount of opinions on the subject !

Here is one....

"On the surface, this would...
Forum: Pontiac - Race 02-23-2024, 05:42 PM
Replies: 22
Views: 1,250
Posted By Steve C.
Chamber Chatter No testing data here, but some...

Chamber Chatter
No testing data here, but some might have interest in the Edelbrock development of their heart-shaped combustion chamber for the Pontiac cylinder head.
...
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