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Forum: Pontiac - Street Today, 01:36 PM
Replies: 8
Views: 104
Posted By steve25
Less lift when hot at low rpms does equate to...

Less lift when hot at low rpms does equate to less spring pressure so that must have a effect on the ware rate.
Forum: Pontiac - Street Today, 12:31 PM
Replies: 8
Views: 104
Posted By steve25
These days with a flat tappet cam I would get...

These days with a flat tappet cam I would get lifters with the EDM hole and I would send those and the cam out to get cryo treated.
Forum: Pontiac - Street Today, 09:01 AM
Replies: 11
Views: 195
Posted By steve25
By the time you yank out the Rad to have a Rad...

By the time you yank out the Rad to have a Rad shop do such work you would be better off just installing a separate trans cooler which would extend trans life better then the stock in Rad cooler...
Forum: Pontiac - Street Today, 08:06 AM
Replies: 30
Views: 723
Posted By steve25
As mentioned somewhat his combo of aftermarket...

As mentioned somewhat his combo of aftermarket heads flowing far higher than stock iron heads and a P4B intake is not the ticket for power production.

The runner expansion rate. ( port area ) ...
Forum: Pontiac - Street Today, 07:49 AM
Replies: 30
Views: 723
Posted By steve25
Once he has been helped in getting his primary...

Once he has been helped in getting his primary side set up to work well then it’s on to his second side that likely has a blocked power valve also.
Forum: Pontiac - Street Today, 07:01 AM
Replies: 2
Views: 123
Posted By steve25
More info is needed. Did this just start to...

More info is needed.

Did this just start to happen on a motor that’s previously was fine, or is this a new motor thats making more power?

First with a timing light confirm that your total...
Forum: Pontiac - Street Yesterday, 06:36 AM
Replies: 5
Views: 207
Posted By steve25
Do you have access to an inspection camera to...

Do you have access to an inspection camera to look into the the timing cover ?

Worse then the failure of the pump is the crap that now could be chewing up your timing chain and getting into the...
Forum: Pontiac - Street 06-14-2024, 07:13 PM
Replies: 5
Views: 207
Posted By steve25
What are these bits of metal? Pieces of the...

What are these bits of metal?
Pieces of the steel pump arm?
The pump arm pin?

The case itself?
There may be something wrong / bad with your drive eccentric on the nose of the cam.
Forum: Pontiac - Street 06-14-2024, 03:15 PM
Replies: 16
Views: 805
Posted By steve25
To the OP, I sent you a email so check in case it...

To the OP, I sent you a email so check in case it went to your spam.
Enjoy!
Forum: Pontiac - Street 06-13-2024, 01:07 PM
Replies: 6
Views: 177
Posted By steve25
I would be more concerned about maybe 50 other...

I would be more concerned about maybe 50 other things about my car then 3 Oz more or less of gear lube in my rear.
Forum: Pontiac - Street 06-13-2024, 10:09 AM
Replies: 22
Views: 461
Posted By steve25
Please be clear. You posted your going to...

Please be clear.

You posted your going to run a 750 Holley, so what carb is the car running poorly with now?

No dough you have a vacuum leak either at the carb adapter or at the manifold...
Forum: Pontiac - Street 06-13-2024, 07:04 AM
Replies: 8
Views: 405
Posted By steve25
Where the valve springs changed by the guy in Ca...

Where the valve springs changed by the guy in Ca when he rebuilt the motor?
Forum: Pontiac - Street 06-12-2024, 06:31 PM
Replies: 20
Views: 655
Posted By steve25
Is your cam a duel pattern? A 455 with the...

Is your cam a duel pattern?
A 455 with the stock rod to stroke ratio might make less power when you move up to 1.65s on the exh side.
Forum: Pontiac - Street 06-12-2024, 05:14 PM
Replies: 20
Views: 655
Posted By steve25
What rear gears will the / does the car have? ...

What rear gears will the / does the car have?
It should only take 290 cfm to make 75 Hp per cylinder.

What CID is your motor?
Forum: Pontiac - Street 06-12-2024, 04:31 PM
Replies: 20
Views: 655
Posted By steve25
How much HP are you looking to make that you need...

How much HP are you looking to make that you need to run .600” lift ?
I ask because your posting in the street section.
Forum: Pontiac - Street 06-12-2024, 05:35 AM
Replies: 30
Views: 723
Posted By steve25
The first big mistake here is to running a...

The first big mistake here is to running a blocked power valve in any Carb that needs to live any amount on the street.

What Cam is in the motor and who put that Cam in?

What Intake Manifold...
Forum: Pontiac - Street 06-11-2024, 05:22 PM
Replies: 1
Views: 204
Posted By steve25
I wonder if around and after 74 when the big...

I wonder if around and after 74 when the big chamfers where added to the 400 pistons that they started using the cranks for the 350 to start off closer to the needed balance before the final balance...
Forum: Pontiac - Street 06-11-2024, 02:42 PM
Replies: 30
Views: 723
Posted By steve25
A carb without a choke on anything but a full...

A carb without a choke on anything but a full time race car is your first mistake.

There set up far too rich to make up for having no choke.
Forum: Pontiac - Street 06-11-2024, 02:38 PM
Replies: 12
Views: 390
Posted By steve25
Why are you running that big 150 amp Alt? In...

Why are you running that big 150 amp Alt?
In the last 20 years or so I have never known them to live long with the aftermarket regulators they use in that amperage Alt.
Forum: Pontiac - Street 06-11-2024, 11:27 AM
Replies: 5
Views: 216
Posted By steve25
If you still have to drive them in then there...

If you still have to drive them in then there good to go.
Forum: Pontiac - Street 06-11-2024, 08:42 AM
Replies: 16
Views: 790
Posted By steve25
When one looks at all the cars in NHRA classes...

When one looks at all the cars in NHRA classes that have been forced to use them and the times that those cars turn it becomes very clear that those who use a blanket statement that they suck just...
Forum: Pontiac - Street 06-11-2024, 05:36 AM
Replies: 39
Views: 1,085
Posted By steve25
Are you running the stock air cleaner assembly...

Are you running the stock air cleaner assembly with the steel tube coming up out of the valve cover on one side and plumbed into the filter case?
Forum: Pontiac - Street 06-10-2024, 06:52 PM
Replies: 10
Views: 657
Posted By steve25
We’ve yet to hear a reply as to what your hot...

We’ve yet to hear a reply as to what your hot cranking compression is on all 8 cylinders.

Anything else you do, check or change before this is just waxing your Johnson rod.

A compression test...
Forum: Pontiac - Street 06-10-2024, 06:46 PM
Replies: 3
Views: 236
Posted By steve25
One must always check total timing at least up at...

One must always check total timing at least up at 4500 to confirm that something is not messed up and you have a high rpm over advance condition taking place.
Forum: Pontiac - Street 06-10-2024, 11:09 AM
Replies: 3
Views: 340
Posted By steve25
Welcome!

Welcome!
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