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PY Online Forums - Bringing the Pontiac Hobby Together
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Posts Made By:
Tom Vaught
Forum:
Tri-Power Tech
12-14-2022, 07:24 PM
Replies:
51
Barry Grant tripower
Views:
21,102
Posted By
Tom Vaught
Talk to Shaker455, he has done several...
Talk to Shaker455, he has done several investigations in enlarging the carb venturis to gain more flow.
Tom V.
Forum:
Tri-Power Tech
12-08-2022, 07:41 PM
Replies:
51
Barry Grant tripower
Views:
21,102
Posted By
Tom Vaught
Two comments on the Post by DaleW66GTO, Nicest...
Two comments on the Post by DaleW66GTO, Nicest BG/Holley Tri-Power set-up I have ever seen, a real showpiece.
The Belt Drive for the Water Pump is very nice too. How many ribs is the belt??
Who...
Forum:
Tri-Power Tech
12-10-2021, 03:00 PM
Replies:
51
Barry Grant tripower
Views:
21,102
Posted By
Tom Vaught
The 1966 Rochester center carb actually has a...
The 1966 Rochester center carb actually has a smaller carb venturi vs the 64-65 center carbs. But the center carb airhorn is the same size as the rear carbs so all the same air cleaners. Never...
Forum:
Tri-Power Tech
12-09-2021, 08:59 PM
Replies:
51
Barry Grant tripower
Views:
21,102
Posted By
Tom Vaught
I recommend the Rochester 66 set-up for several...
I recommend the Rochester 66 set-up for several reasons.
The adaptors are available to go from the 1966 Tri-power Manifold to the Holley 2-BBL carbs. The smaller Center Carb opening on the 65 and...
Forum:
Tri-Power Tech
12-09-2021, 01:08 PM
Replies:
51
Barry Grant tripower
Views:
21,102
Posted By
Tom Vaught
Stock Pontiac Tri-Power carbs, the center carb...
Stock Pontiac Tri-Power carbs, the center carb opens a given amount and THEN
linkage opens the Rear AND FRONT CARB at the same time using a connecting linkage on the passenger side of the carbs.
...
Forum:
Tri-Power Tech
12-05-2021, 03:25 PM
Replies:
51
Barry Grant tripower
Views:
21,102
Posted By
Tom Vaught
The Holley #4412 (500 cfm) carbs (at a 2 bbl test...
The Holley #4412 (500 cfm) carbs (at a 2 bbl test pressure 3.0") flow about 350 cfm
each when rated like a 4 BBL carb. So about the same cfm as a 1050 dominator with the cool factor.
The #4782...
Forum:
Tri-Power Tech
12-03-2021, 04:42 PM
Replies:
51
Barry Grant tripower
Views:
21,102
Posted By
Tom Vaught
I have only heard of one person who bought the...
I have only heard of one person who bought the EFI 'look-a-like" 6 pack carb set-up.
Not sure if it ever ran. $$$$+
MY BG / Holley set-up will go on my 64 GTO once I get the street 455 engine...
Forum:
Tri-Power Tech
12-13-2019, 09:58 AM
Replies:
51
Barry Grant tripower
Views:
21,102
Posted By
Tom Vaught
It was a great idea to offer a Holley/BG carb...
It was a great idea to offer a Holley/BG carb set-up for a Pontiac but as people have posted it was expensive vs the PY intake (about $400) and using the 1966 large 2 bbl Rochester carbs that were...
Forum:
Tri-Power Tech
12-11-2019, 08:25 PM
Replies:
51
Barry Grant tripower
Views:
21,102
Posted By
Tom Vaught
PM received, would like to get you set-up with...
PM received, would like to get you set-up with the new 4412 carbs if that is the path you want to go down. Like I posted in the PM the Air Cleaner ring and air horns have been modded for the...
Forum:
Tri-Power Tech
12-11-2019, 04:16 PM
Replies:
51
Barry Grant tripower
Views:
21,102
Posted By
Tom Vaught
Yep the #4782 and #4783 carbs would be expensive...
Yep the #4782 and #4783 carbs would be expensive but I did modify a set of 4412 carbs for a guy and then he did not take them. Make you a deal on them.
The #4782 carb has a slightly smaller...
Forum:
Tri-Power Tech
12-11-2019, 09:48 AM
Replies:
51
Barry Grant tripower
Views:
21,102
Posted By
Tom Vaught
No, Mike, the engine has the PY 1st Run aluminum...
No, Mike, the engine has the PY 1st Run aluminum 1966 manifold with the custom Dashman carb adaptors, and 3 of the Holley Race 2-bbl carbs on that intake. O'Brian Truckers "Ribbed" Air Cleaners and...
Forum:
Tri-Power Tech
12-10-2019, 10:46 PM
Replies:
51
Barry Grant tripower
Views:
21,102
Posted By
Tom Vaught
I actually have owned three of the Barry Grant...
I actually have owned three of the Barry Grant Tri-Power (Holley/Demon carb bolt pattern) intake manifolds.
The first two runs had casting issues and by the third casting run they had the issues...
Forum:
Tri-Power Tech
12-10-2019, 04:59 PM
Replies:
51
Barry Grant tripower
Views:
21,102
Posted By
Tom Vaught
I would bet that less than 50 were ever cast up...
I would bet that less than 50 were ever cast up by Barry Grant.
We had a bunch of special casting done over the years (at my old job) and typically the run was 50 pieces or less. Maybe 30 pieces...
Forum:
Tri-Power Tech
12-09-2019, 12:56 PM
Replies:
51
Barry Grant tripower
Views:
21,102
Posted By
Tom Vaught
I am aware of only 4 Pontiac systems out there,...
I am aware of only 4 Pontiac systems out there, Mike.
1) The guy with the butchered up BG manifold (never knew his name)
2) Robert Williams system, purchased by another PY member thru a 3rd...
Forum:
Tri-Power Tech
12-08-2019, 08:41 PM
Replies:
51
Barry Grant tripower
Views:
21,102
Posted By
Tom Vaught
Looking forward to your posts on the...
Looking forward to your posts on the rebuild/changes the intake system.
Tom V.
Forum:
Tri-Power Tech
09-26-2019, 11:43 AM
Replies:
51
Barry Grant tripower
Views:
21,102
Posted By
Tom Vaught
Personally the O'Brian Truckers "Ribbed" Air...
Personally the O'Brian Truckers "Ribbed" Air Cleaners when used with Pontiac "Ribbed" Valve Covers looks a lot nicer vs the shiny chrome Chebby Part.
And the air cleaners fit just fine on the...
Forum:
Tri-Power Tech
04-15-2019, 09:43 AM
Replies:
51
Barry Grant tripower
Views:
21,102
Posted By
Tom Vaught
Agree on the above. Like I said, I know where...
Agree on the above. Like I said, I know where two on the BG intakes are, you sold 3 more of the units, Mike.
The BG carbs (they used on the intakes) were not ideal by any means.
My intake had...
Forum:
Tri-Power Tech
04-13-2019, 10:46 PM
Replies:
51
Barry Grant tripower
Views:
21,102
Posted By
Tom Vaught
A story on the Barry Grant Tri-Power System. I...
A story on the Barry Grant Tri-Power System. I think I am the only guy who ever ran the BG system on a Pontiac.
Quite a few years ago a PY member bought a New Barry Grant intake system for a...
Showing results 1 to 18 of 18
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