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Forum: 70-72 GTO Tempest & LeMans TECH 03-31-2023, 09:54 PM
Replies: 11
Views: 1,053
Posted By d63howe
After the felpro gaskets came in, lined them up...

After the felpro gaskets came in, lined them up on the head trial fitted the
intake. Reworked the ports to line up with head better. Got it back together
and fired it today. Weather not nice enough...
Forum: 70-72 GTO Tempest & LeMans TECH 03-23-2023, 09:56 PM
Replies: 11
Views: 1,053
Posted By d63howe
Probably so, don't know if it will ever see the...

Probably so, don't know if it will ever see the track. That question was asked while my daughter was around and she was not much in favor of that!
Forum: 70-72 GTO Tempest & LeMans TECH 03-23-2023, 09:14 PM
Replies: 11
Views: 1,053
Posted By d63howe
It is about that in a couple of spots. Primarily...

It is about that in a couple of spots. Primarily at the front runners on the intake.
I could try it, worst I would have to do is remove it again.
Probably giving up some power doing this but it is...
Forum: 70-72 GTO Tempest & LeMans TECH 03-23-2023, 08:36 PM
Replies: 11
Views: 1,053
Posted By d63howe
I have one of the repo RA IV intakes, initial...

I have one of the repo RA IV intakes, initial trial looked like it would be
hard to make work. Looked at it some more today a little on the front
runners that would not leave much to seal well. So...
Forum: 70-72 GTO Tempest & LeMans TECH 03-22-2023, 07:56 PM
Replies: 11
Views: 1,053
Posted By d63howe
The engine has Edelbrock D-port heads on it. The...

The engine has Edelbrock D-port heads on it. The performer rpm is
too tall. Trying to figure out if something else will work. Port are big
enough stock RA will not seal.
Forum: 70-72 GTO Tempest & LeMans TECH 03-22-2023, 07:09 PM
Replies: 11
Views: 1,053
Posted By d63howe
Intake

What intake manifolds will allow one to use the original RA pans to work
on a 70 GTO?
Forum: Pontiac - Street 04-05-2022, 10:24 PM
Replies: 4
Views: 576
Posted By d63howe
Cam Keys

There was a discussion on the availability of offset cam key for our Pontiac
engines. Have a 455 of mine over at a friend of mines engine shop and
degreeing cam , needed a key. He said cam key...
Forum: THE LOBBY 01-15-2022, 10:47 PM
Replies: 45
Views: 4,967
Posted By d63howe
THe Hirohata went for $1,950,000.

THe Hirohata went for $1,950,000.
Forum: Pontiac - Street 11-28-2021, 10:14 AM
Replies: 8
Views: 1,486
Posted By d63howe
There are two different lifter bodies on the ones...

There are two different lifter bodies on the ones I have. One body has a groove toward the bottom of it
and the other does not. looks to me like two different manufacturers maybe.
Have not taken...
Forum: Pontiac - Street 11-26-2021, 11:00 PM
Replies: 8
Views: 1,486
Posted By d63howe
Lifters

I have two sets of Summit brand hydraulic valve lifters here purchased in
the '97 time frame. Am wondering when all the quality on these started
to go bad. Not sure if I should even think about...
Forum: 70-72 GTO Tempest & LeMans TECH 01-26-2021, 11:09 PM
Replies: 30
Views: 4,633
Posted By d63howe
My heater box has no hole and I have owned it...

My heater box has no hole and I have owned it since 1978, so was curious.
Forum: 70-72 GTO Tempest & LeMans TECH 01-25-2021, 10:54 PM
Replies: 30
Views: 4,633
Posted By d63howe
So I am curious here on this subject, when did...

So I am curious here on this subject, when did Pontiac start with the vent on the tach? I have a 70 that
is an original hood tach car, Feb build. It has never had the vent line on it.
Forum: 70-72 GTO Tempest & LeMans TECH 06-29-2020, 09:13 PM
Replies: 8
Views: 1,671
Posted By d63howe
I have one on order now. This thing has been...

I have one on order now. This thing has been apart since the late eighties
or early ninties so I have forgotten a lot of what i did back then.
Thank you for the information!
Forum: 70-72 GTO Tempest & LeMans TECH 06-28-2020, 09:10 PM
Replies: 8
Views: 1,671
Posted By d63howe
That may be what I do not have. This car has been...

That may be what I do not have. This car has been apart way too long for me to remember accurately. I know I do not have the other unit anymore.
Forum: 70-72 GTO Tempest & LeMans TECH 06-28-2020, 01:10 PM
Replies: 8
Views: 1,671
Posted By d63howe
The only plug left there is one with three...

The only plug left there is one with three wires,a rectangular plug. Original was a single wire that pushed on the
stud on the sender. Sender is the original same thing that it looks like they sell...
Forum: 70-72 GTO Tempest & LeMans TECH 06-27-2020, 10:07 PM
Replies: 8
Views: 1,671
Posted By d63howe
70 GTO Engine Wiring Harness

I am working on my 70 GTO getting to the engine harness. My question is
what is the difference between the RA harness and the standard harness?
I assumed the difference was the way the wires to the...
Showing results 1 to 16 of 16

 
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