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Forum: Pontiac - Street Yesterday, 09:03 PM
Replies: 9
Views: 185
Posted By Steve C.
The Pontiac Edelbrock cylinder head official ...

The Pontiac Edelbrock cylinder head official "runner volume wars" started with a post on the old Classical Pontiac board in May, 1998. From it the naysayers were off and running, like Paul Revere's...
Forum: Pontiac - Street Yesterday, 05:36 PM
Replies: 9
Views: 185
Posted By Steve C.
I agree, presume it is ground with a 110 LSA. ...

I agree, presume it is ground with a 110 LSA.
Unless custom all their High Energy hydraulic cams are ground with a 110 lobe separation.

The High Energy 268-4 is listed here on page 11 as lobe...
Forum: Pontiac - Street 09-14-2021, 01:48 PM
Replies: 18
Views: 556
Posted By Steve C.
Stated- "Verns on El Segundo blvd still does...

Stated- "Verns on El Segundo blvd still does copper nickle chrome 3 stage plating.Tom"

Years ago I was a sales engineer at a very large electroplating facility in Southern California (now out of...
Forum: Pontiac - Street 09-14-2021, 09:47 AM
Replies: 64
Views: 1,831
Posted By Steve C.
My 200-4R was built 14 years ago by a well known...

My 200-4R was built 14 years ago by a well known builder of transmissions for high-performance applications involving Buick GN racing. And as eluded to in the conversations here it was very...
Forum: Pontiac - Street 09-13-2021, 08:08 PM
Replies: 64
Views: 1,831
Posted By Steve C.
I can highly recommend the Bowtie Overdrives TV...

I can highly recommend the Bowtie Overdrives TV and Throttle Cable SYSTEMS


http://www.bowtieoverdrives.com/



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Forum: Pontiac - Street 09-13-2021, 01:52 PM
Replies: 64
Views: 1,831
Posted By Steve C.
Example only, not any endorsement nor...

Example only, not any endorsement nor recommendation.

With my 200-4R transmission. Under a steady state cruise speed on the open highway with about 200 rpm converter slippage, 27.7" diameter rear...
Forum: Pontiac - Street 09-13-2021, 12:46 PM
Replies: 64
Views: 1,831
Posted By Steve C.
Consider the type of torque converter in use, a...

Consider the type of torque converter in use, a non lock-up or a lock up type.
Art Carr does not believe in using a lock-up torque converter in any aftermarket-engineered, high-performance...
Forum: Pontiac - Street 09-13-2021, 09:45 AM
Replies: 8
Views: 268
Posted By Steve C.
I posted this in another thread but it might...

I posted this in another thread but it might apply here. We monitor the valve springs with a LSM brand on the head valvespring pressure checker, there are other brands but that is a good one.
Just...
Forum: Pontiac - Street 09-08-2021, 07:46 AM
Replies: 48
Views: 1,204
Posted By Steve C.
The Edelbrock is a single coil spring ! Like...

The Edelbrock is a single coil spring !

Like Jay suggested add a shim under your existing springs and make the cam change.

I'm very VERY surprised your friend who has a shop there does not have...
Forum: Pontiac - Street 09-07-2021, 06:57 PM
Replies: 48
Views: 1,204
Posted By Steve C.
You are in somewhat of a dilemma regarding...

You are in somewhat of a dilemma regarding checking valve springs. I've repeated it many times, do not trust the specifications listed in a catalog for spring pressures.

Here is one personal...
Forum: Pontiac - Street 09-07-2021, 12:28 PM
Replies: 48
Views: 1,204
Posted By Steve C.
We monitor the valve springs with a LSM brand on...

We monitor the valve springs with a LSM brand on the head valvespring pressure checker, there are other brands but that is a good one.
Just be aware these types type of testers can vary...
Forum: Pontiac - Street 09-04-2021, 09:59 PM
Replies: 24
Views: 1,280
Posted By Steve C.
Tim Goolsby Bullet Racing Cams Consider...

Tim Goolsby
Bullet Racing Cams
Consider UltraDyne lobes ground them, but talk with Tim.


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Forum: Pontiac - Street 09-04-2021, 02:05 PM
Replies: 24
Views: 1,280
Posted By Steve C.
Off topic, but related to that question and a...

Off topic, but related to that question and a FWIW.....

Dave Bisschop states his CNC 290-295 KRE D-port heads on back-to-back dyno testing with a street/strip pump gas combination will produce as...
Forum: Pontiac - Street 09-04-2021, 10:46 AM
Replies: 24
Views: 1,280
Posted By Steve C.
Here is another build to serve as an example...

Here is another build to serve as an example only, this engine built by Dave Bisschop....

.030-over 400
6X iron heads ported to 260 cfm at .550" lift / 9.3 compression
Comp hydraulic flat tappet...
Forum: Pontiac - Street 09-03-2021, 07:57 PM
Replies: 22
Views: 1,040
Posted By Steve C.
V8 Intake Surface Mill Calculator ...

V8 Intake Surface Mill Calculator

http://www.wallaceracing.com/calc-intake-mill.php


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Forum: Pontiac - Street 09-01-2021, 09:35 PM
Replies: 22
Views: 1,040
Posted By Steve C.
Many years ago we took an original 1970 2-bolt...

Many years ago we took an original 1970 2-bolt block and had it squared to within 0.002" corner-to-corner variation and decked to within minimum 0.002", at least according to the paperwork.
The...
Forum: Pontiac - Street 09-01-2021, 05:16 PM
Replies: 22
Views: 1,742
Posted By Steve C.
"The 041 cam is one of the worst cams they ever...

"The 041 cam is one of the worst cams they ever put in a Pontiac intended for street driving"

And how many cubic inches is this statement intended for ?

Some specifics should be involved. 400 ?...
Forum: Pontiac - Street 08-29-2021, 11:24 AM
Replies: 78
Views: 4,548
Posted By Steve C.
Stacked plate cooler design. ...

Stacked plate cooler design.

https://www.earls.com.au/product-category/cooling-systems/oil-and-transmission-coolers/


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Forum: Pontiac - Street 08-28-2021, 12:27 PM
Replies: 60
Views: 2,743
Posted By Steve C.
Ok then we agree, if the rod bearings were...

Ok then we agree, if the rod bearings were holding it back nearly 90HP then we can blame them for the big power loss.

We will never know.

I can say I had a somewhat similar situation with a...
Forum: Pontiac - Street 08-28-2021, 10:26 AM
Replies: 60
Views: 2,743
Posted By Steve C.
Cliff regarding the comparison between the Comp...

Cliff regarding the comparison between the Comp XR276HR cam and the Old Faithful cam with no other changes. Within your post #20 here you mention the XE cam pinged so hard it required rod bearing...
Forum: Pontiac - Street 08-27-2021, 07:10 PM
Replies: 60
Views: 2,743
Posted By Steve C.
I've mentioned this before regarding a loss,...

I've mentioned this before regarding a loss, personally I've seen as much as 14 pounds on the seat after a dyno session. I know of one build where the valve springs were set up for a hyd flat tappet...
Forum: Pontiac - Street 08-27-2021, 03:27 PM
Replies: 60
Views: 2,743
Posted By Steve C.
How old are the springs ? often they will lose...

How old are the springs ? often they will lose some pressure. You might consider removing some or all and check them. Take them to a shop that has a bench tester and have them checked at their...
Forum: Pontiac - Street 08-26-2021, 09:04 AM
Replies: 60
Views: 2,743
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 08-25-2021, 12:06 PM
Replies: 11
Views: 602
Posted By Steve C.
Relevant or appropriate ?? Headers: Solving...

Relevant or appropriate ??

Headers: Solving An Oil Filter Clearance Problem:

https://pontiacstreetperformance.com/psp/modoiladapter.html


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Forum: Pontiac - Street 08-24-2021, 10:51 AM
Replies: 78
Views: 4,548
Posted By Steve C.
Another tid bit to consider. If one is going by a...

Another tid bit to consider. If one is going by a cam companies printed material with the description of a "power range" or "RPM operating range" it's generic information.
Too many variables...
Showing results 1 to 25 of 500

 
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