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Forum: Pontiac - Street Today, 02:28 PM
Replies: 11
Views: 252
Posted By steve25
I could not agree more if you’re not running a...

I could not agree more if you’re not running a full out race only car.

For me it’s a HEI or points.
Points going back 8 decades have started military vehicles in cold that you would not use your...
Forum: Pontiac - Street Today, 11:56 AM
Replies: 1
Views: 30
Posted By steve25
I only a passenger compartment diagram for a 68...

I only a passenger compartment diagram for a 68 but I can’t see what it would be any different.

It appears that the stop lamp switch only closes the hot of the circuit and the wires go into a...
Forum: Pontiac - Street Today, 10:45 AM
Replies: 20
Views: 473
Posted By steve25
Unlike in one photo here of the port molds of a...

Unlike in one photo here of the port molds of a very high flowing aftermarket race head which is able to maintain the round throat shape all the way around the short side, having any excess short...
Forum: Pontiac - Street Today, 10:18 AM
Replies: 4
Views: 95
Posted By steve25
Then you want to check that all is well after you...

Then you want to check that all is well after you have gone thru the break in period.

If you feel you must check for lifter rotation in each bore with no spring pressure on it then do such with...
Forum: Pontiac - Street Today, 09:35 AM
Replies: 4
Views: 95
Posted By steve25
Are you re-using a previously run cam and or...

Are you re-using a previously run cam and or lifters?
Forum: Pontiac - Street Yesterday, 05:28 PM
Replies: 20
Views: 473
Posted By steve25
Sorry the site only allows 5 photos so here’s the...

Sorry the site only allows 5 photos so here’s the rest.
PS, in that one photo of the 1.820” x 1.700” template sitting on top of the guide note that the template handle is touching the short turn and...
Forum: Pontiac - Street Yesterday, 05:24 PM
Replies: 20
Views: 473
Posted By steve25
Here’s some more info and photos for you. In...

Here’s some more info and photos for you.
In one photo you can see how a 1.77” exh valve fits in the bowl and where it touches the back wall and exh port side of the bowl.
This valves face is .430”...
Forum: Pontiac - Street Yesterday, 04:54 PM
Replies: 7
Views: 201
Posted By steve25
Long story short, If he was offered 400 for them...

Long story short, If he was offered 400 for them he should take it.
Forum: Pontiac - Street Yesterday, 04:51 PM
Replies: 4
Views: 228
Posted By steve25
Did you set the pump gear to plate clearance at...

Did you set the pump gear to plate clearance at no more then .004”?

The bypass always opens on first start with even 90 degree oil from what my testing / playing around showed.
Forum: Pontiac - Street Yesterday, 10:02 AM
Replies: 11
Views: 252
Posted By steve25
Be sure that the motor continues to have voltage...

Be sure that the motor continues to have voltage to the coil not only when the key is in the crank position, but in the run position also.
Forum: Pontiac - Street Yesterday, 08:03 AM
Replies: 11
Views: 252
Posted By steve25
Having spark and having it at the right time are...

Having spark and having it at the right time are two different things.
Does the motor have a solid ground back to the battery?

Does the distributor body have a solid ground to the block?

It...
Forum: Pontiac - Street 11-08-2024, 07:31 PM
Replies: 12
Views: 331
Posted By steve25
Higher hp ? Where goes higher start for you?

Higher hp ?
Where goes higher start for you?
Forum: Pontiac - Street 11-08-2024, 05:38 PM
Replies: 11
Views: 355
Posted By steve25
If that’s how little room you have above the air...

If that’s how little room you have above the air horn then running a drop base air cleaner assembly is totally self defeating !
Forum: Pontiac - Street 11-08-2024, 09:17 AM
Replies: 23
Views: 1,003
Posted By steve25
Pontiac motors from the factory regardless of...

Pontiac motors from the factory regardless of body style have always had the sensor/ or sender on the oil filter adapter.

You must be thinking of the mid 70s when Pontiacs could be had with a SBC...
Forum: Pontiac - Street 11-08-2024, 05:58 AM
Replies: 15
Views: 449
Posted By steve25
What the hell are all the punch marks on the face...

What the hell are all the punch marks on the face of that gear?
Forum: Pontiac - Street 11-07-2024, 05:17 PM
Replies: 8
Views: 281
Posted By steve25
These heads do not have screw in rocker studs and...

These heads do not have screw in rocker studs and have a bit more of a open chamber then the RA4 heads, which if your running on the edge of too much cylinder pressure for your cam pick will make...
Forum: Pontiac - Street 11-07-2024, 09:07 AM
Replies: 20
Views: 473
Posted By steve25
Here’s how the floor approaching the short turn...

Here’s how the floor approaching the short turn needs to be.
This is a 275 cfm 6X-4 .
Notice how the kicking over / widening of the common wall all the way into the bowl has made the floor and the...
Forum: Pontiac - Street 11-06-2024, 07:21 PM
Replies: 20
Views: 825
Posted By steve25
��:-)

��:-)
Forum: Pontiac - Street 11-06-2024, 06:26 PM
Replies: 20
Views: 473
Posted By steve25
Am I reading you right in thinking that you have...

Am I reading you right in thinking that you have not touched the short turn other then what was needed to get the 1.80” throat in place?
Forum: Pontiac - Street 11-06-2024, 06:03 PM
Replies: 20
Views: 473
Posted By steve25
What does the port flow with the valve in upside...

What does the port flow with the valve in upside down and with the stem sticking in the same depth as it would normally?
Forum: Pontiac - Street 11-06-2024, 05:22 PM
Replies: 20
Views: 473
Posted By steve25
Are you testing at 28” or lower?

Are you testing at 28” or lower?
Forum: Pontiac - Street 11-06-2024, 05:08 PM
Replies: 20
Views: 473
Posted By steve25
A 35 degree seat you say?

A 35 degree seat you say?
Forum: Pontiac - Race 11-06-2024, 03:56 PM
Replies: 13
Views: 250
Posted By steve25
Is that company ( I forgot there name) still...

Is that company ( I forgot there name) still making metering blocks with no jets but instead adjusting screws with tapered tips like idle mixture screws?
Forum: Pontiac - Street 11-06-2024, 03:45 PM
Replies: 20
Views: 473
Posted By steve25
What test pressure are you testing at? Is the...

What test pressure are you testing at?
Is the valve job still stock?

If you’re using a template made off of 1/4 of the arc of the throat there is not enough short turn height in the 6X-4 head to...
Forum: Pontiac - Race 11-06-2024, 10:19 AM
Replies: 13
Views: 250
Posted By steve25
It’s very much akin to the valve job and exh flow...

It’s very much akin to the valve job and exh flow in a head.
Just a 45 degree seat at high flow rates will not use the full circumference of the throat until a bottom cut is used.
I recall years...
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