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Forum: Pontiac - Street 11-28-2020, 03:42 PM
Replies: 111
Views: 17,483
Posted By Formulajones
So your cam is the 4-7 swap. Usually it will...

So your cam is the 4-7 swap. Usually it will tell you that on the cam card.

The other firing order listed with the 4-7 and 2-3 swap is just the Chevy LS firing order that has been pretty commonly...
Forum: Pontiac - Street 11-27-2020, 06:58 PM
Replies: 111
Views: 17,483
Posted By Formulajones
The stock firing order is 1-8-4-3-6-5-7-2 and it...

The stock firing order is 1-8-4-3-6-5-7-2 and it runs counter clockwise.

Sometimes a 4-7 swap cam is done, and sometimes they are done with an LS firing order too, but what you have in your...
Forum: Pontiac - Street 11-25-2020, 06:25 PM
Replies: 111
Views: 17,483
Posted By Formulajones
They are a bit of a pain to get all dialed in. ...

They are a bit of a pain to get all dialed in. With different pulley ratios, adjusting the valve for just the right amount of vacuum at WOT peak rpm, and then finding a place on the valve cover ...
Forum: Pontiac - Street 11-24-2020, 10:48 PM
Replies: 111
Views: 17,483
Posted By Formulajones
I haven't heard of vacuum pumps having street...

I haven't heard of vacuum pumps having street mile ratings or whether they are short lived in a street application, but I do know they need to be able to either pull a bit of oil for lubrication or...
Forum: Pontiac - Street 11-24-2020, 11:17 AM
Replies: 111
Views: 17,483
Posted By Formulajones
Dad ran into the same issue. He didn't want...

Dad ran into the same issue.

He didn't want to take off the Victor intake and 2" taper spacer that made best power on the dyno.

Ended up buying a 2" raised fiberglass hood that looks like a...
Forum: Pontiac - Street 11-23-2020, 03:09 PM
Replies: 111
Views: 17,483
Posted By Formulajones
Nice! And it liked 37 degrees of timing. Peak...

Nice! And it liked 37 degrees of timing. Peak at 5500.

You're going to have fun with that one.
Forum: Pontiac - Street 11-22-2020, 05:01 PM
Replies: 111
Views: 17,483
Posted By Formulajones
[/QUOTE] A true 700hp, on pump, and driven...

[/QUOTE]

A true 700hp, on pump, and driven regularly on the street?

Similar to dad's. He made 724 HP at a peak of just 5700 rpm. Peak torque of 764 was down at 4,000 where they started the...
Showing results 1 to 7 of 7

 
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