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Search took 0.15 seconds. Search: Posts Made By: steve25
Forum: Pontiac - Street Today, 10:15 AM
Replies: 24
Views: 539
Posted By steve25
Since there’s now been a good amount of grit...

Since there’s now been a good amount of grit flowing around in the motor once your tare it down inspect the piston skirts for imbedded grit and of course scratches.

Also pull the oil galley plugs...
Forum: Pontiac - Race Today, 05:56 AM
Replies: 1
Views: 95
Posted By steve25
You should be thinking about what will give you...

You should be thinking about what will give you the most consistent 60 ft times, not he hardest or the fastest.
You can't always count on a well prepared track !
Forum: Pontiac - Street Today, 05:53 AM
Replies: 13
Views: 263
Posted By steve25
What Pistons got used in that rebuild, .030" over...

What Pistons got used in that rebuild, .030" over 400 pistions with 4 valve notches I hope?
Forum: Pontiac - Street Today, 05:50 AM
Replies: 19
Views: 521
Posted By steve25
Glad to hear it's better, but why did you break...

Glad to hear it's better, but why did you break in the Cam in 3 ten minute sessions ?

I have never done less then a straight 20 minutes.

Even on hot day and with running the motor unloaded it...
Forum: Pontiac - Street Today, 05:38 AM
Replies: 24
Views: 539
Posted By steve25
I think in you second paragraph here within the...

I think in you second paragraph here within the revaltion of the valve train clacking noise that goes away you will find the root cause of this distruction.
Forum: Pontiac - Street Yesterday, 03:20 PM
Replies: 13
Views: 263
Posted By steve25
So for 32 years you have not done a cranking...

So for 32 years you have not done a cranking compression test ?
How do your plugs look?

What’s your air to fuel ratio?
Forum: Pontiac - Street Yesterday, 03:12 PM
Replies: 4
Views: 204
Posted By steve25
I would first do a properly done hot cranking...

I would first do a properly done hot cranking compression test.

Would also try and do a leak down test to see if any valves are not sealing well.

What cam do you have in the motor?
Forum: Pontiac - Street Yesterday, 03:11 PM
Replies: 4
Views: 204
Posted By steve25
I would first do a properly done hot cranking...

I would first do a properly done hot cranking compression test.

I Would also try and do a leak down test to see if any valves are not sealing well.

Even motors with warn cams can burn rubber,
...
Forum: Pontiac - Street Yesterday, 08:51 AM
Replies: 19
Views: 521
Posted By steve25
I can’t put enough emphasis on checking your...

I can’t put enough emphasis on checking your total timing with out vacuum advance hooked up at 5000 rpm to confirm that it’s not over advancing on you.
Forum: Pontiac - Street Yesterday, 06:53 AM
Replies: 19
Views: 521
Posted By steve25
Your advance shaft in your HEI is hanging up more...

Your advance shaft in your HEI is hanging up more than likely due to dried out grease.

This can seem to take place all of a sudden on these old units, where they’re ok one day and after the motor...
Forum: Pontiac - Street 06-01-2024, 07:05 AM
Replies: 36
Views: 1,240
Posted By steve25
In your post number 1979 ( 5,01, 2024 ) from...

In your post number 1979 ( 5,01, 2024 ) from your many years long string of post about this car you stated that you now had 3000 miles on the car and where happy with the way it was running.

It...
Forum: Pontiac - Street 05-31-2024, 04:12 PM
Replies: 36
Views: 1,240
Posted By steve25
I thought just last month or so you drove it to...

I thought just last month or so you drove it to FL, that wasn’t a highway drive?
Forum: Pontiac - Street 05-31-2024, 04:10 PM
Replies: 21
Views: 587
Posted By steve25
That seals OD coating is likely to dry out and...

That seals OD coating is likely to dry out and cause a issue before the actual crank seal lip does..

Get a good seal with a metal OD and just put it in with some gray form-A- gasket and then sleep...
Forum: Pontiac - Race 05-30-2024, 06:27 AM
Replies: 16
Views: 548
Posted By steve25
Please tell us what if any difference there is...

Please tell us what if any difference there is between this new and old combo?
Forum: Pontiac - Race 05-30-2024, 06:23 AM
Replies: 4
Views: 268
Posted By steve25
You should be fine, just after the first 2 or 3...

You should be fine, just after the first 2 or 3 full heat up and cool down sessions retorque the bolts .
When you do this loosen the water pump bolt a little, but no so much that you get a leak.
Forum: Pontiac - Street 05-30-2024, 06:18 AM
Replies: 28
Views: 1,346
Posted By steve25
Also note that not everybody’s fuel of a given...

Also note that not everybody’s fuel of a given octane level provides the same knock protection.
The blend of a fuel may work better at a lower or higher engine temp then another brand pump fuel of...
Forum: Pontiac - Street 05-28-2024, 05:45 PM
Replies: 36
Views: 1,240
Posted By steve25
With brand new plugs and not being at a track it...

With brand new plugs and not being at a track it will take at least 3 full throttle thru the gears runs to see anything worthwhile in terms of the plug being too hot or not.
And they need to be...
Forum: Pontiac - Street 05-28-2024, 05:22 PM
Replies: 13
Views: 713
Posted By steve25
If it’s as you say a stock-ish deal, then with...

If it’s as you say a stock-ish deal, then with stock springs and retainers that cams .470” lift might have been too much for the clearance set up on number 4.

Even with just 290 psi of open...
Forum: Pontiac - Race 05-27-2024, 06:43 AM
Replies: 4
Views: 353
Posted By steve25
Looks like you have it perfect !

Looks like you have it perfect !
Forum: Pontiac - Street 05-26-2024, 01:47 PM
Replies: 17
Views: 781
Posted By steve25
The 0 rears that where out of the Vista cruiser...

The 0 rears that where out of the Vista cruiser wagons had 10.5 or 11” inch drums if I recall right.

Great for adding stopping power, but I don’t know about the availability of shoes for these any...
Forum: Pontiac - Street 05-26-2024, 11:40 AM
Replies: 8
Views: 394
Posted By steve25
I have had and used the 4 series, 5 and 6 series...

I have had and used the 4 series, 5 and 6 series ( 6X) milled .060” and have had no issues.
But whenever you mill them all the holes on the deck surface should get treated to a slight chamfer with a...
Forum: Pontiac - Street 05-26-2024, 07:15 AM
Replies: 9
Views: 403
Posted By steve25
The only way to for this to be done 100% correct...

The only way to for this to be done 100% correct regardless of what the torque number is to go by the stretch method.
Forum: Pontiac - Street 05-25-2024, 03:51 PM
Replies: 5
Views: 307
Posted By steve25
What heads are you running? The size of the...

What heads are you running?
The size of the chamber effects the level of idle vacuum you pull also.

I would also hope that with a cam of those specs that your running at least 9.5 to 1.?
Forum: Pontiac - Street 05-25-2024, 03:17 PM
Replies: 8
Views: 394
Posted By steve25
What casting number head is in your photo? ...

What casting number head is in your photo?

It’s hard to tell, but it looks like 6X-8, or maybe even a 6H casting off of a 455.
Forum: Pontiac - Race 05-25-2024, 01:12 PM
Replies: 2
Views: 303
Posted By steve25
Likely because the manufacturer would spend more...

Likely because the manufacturer would spend more time when stopping the production line to remove a the bearing before drilling the hole then the time it takes to drill the hole.
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