#1  
Old 09-25-2022, 10:52 PM
imposter's Avatar
imposter imposter is offline
Chief Ponti-yacker
 
Join Date: Apr 2003
Location: New York,NY
Posts: 642
Default dual quad

im thinking about a FI dual quad setup what manifold is better offenhauser or edelbrock

  #2  
Old 09-25-2022, 11:14 PM
Goatracer1 Goatracer1 is offline
Ultimate Warrior
 
Join Date: Oct 2003
Location: NH
Posts: 3,768
Default

If you are using multi point injection it really won't matter. All that is going through the manifold is air.

  #3  
Old 09-25-2022, 11:17 PM
tom s tom s is offline
Ultimate Warrior
 
Join Date: Jan 2000
Location: long beach ca usa
Posts: 18,764
Default

Offy

The Following User Says Thank You to tom s For This Useful Post:
  #4  
Old 09-26-2022, 08:21 AM
PAUL K's Avatar
PAUL K PAUL K is offline
Ultimate Warrior
 
Join Date: Feb 2004
Location: Sugar Grove IL USA
Posts: 6,283
Default

Quote:
Originally Posted by tom s View Post
Offy
X 2

__________________
Go fast, see Elvis!
www.facebook.com/PaulKnippensMuscleMotors
The Following User Says Thank You to PAUL K For This Useful Post:
  #5  
Old 09-26-2022, 08:47 AM
Half-Inch Stud's Avatar
Half-Inch Stud Half-Inch Stud is offline
Ultimate Warrior
 
Join Date: Jul 2000
Location: BlueBell, PA or AL U.S.A.
Posts: 18,457
Default

Quote:
Originally Posted by PAUL K View Post
X 2
X3 for balanced CFM, hieght looks. Only problem is the air filter assy (any dual quad huh) HEI fit varies with casting

  #6  
Old 09-26-2022, 09:32 AM
Sun Tuned Sun Tuned is offline
Ultimate Warrior
 
Join Date: Oct 2002
Posts: 2,113
Default

BATHTUB for the win!

The Following 2 Users Say Thank You to Sun Tuned For This Useful Post:
  #7  
Old 09-26-2022, 11:03 AM
tom s tom s is offline
Ultimate Warrior
 
Join Date: Jan 2000
Location: long beach ca usa
Posts: 18,764
Default

I know Luhn wanted to do a EFI setup for the Bathtubs.Tom

The Following User Says Thank You to tom s For This Useful Post:
  #8  
Old 09-26-2022, 11:14 AM
imposter's Avatar
imposter imposter is offline
Chief Ponti-yacker
 
Join Date: Apr 2003
Location: New York,NY
Posts: 642
Default

ok so who has a offy

  #9  
Old 09-26-2022, 03:42 PM
61-63's Avatar
61-63 61-63 is offline
Ultimate Warrior
 
Join Date: Jun 2001
Location: Sour Lake, Texas
Posts: 2,394
Default

I will sell you one for '65> heads for $300 + shipping. With adapters. PM me with your email address if interested and I will email pictures.

The Following User Says Thank You to 61-63 For This Useful Post:
  #10  
Old 09-26-2022, 09:55 PM
imposter's Avatar
imposter imposter is offline
Chief Ponti-yacker
 
Join Date: Apr 2003
Location: New York,NY
Posts: 642
Default

got one today offenhauser

The Following User Says Thank You to imposter For This Useful Post:
  #11  
Old 09-26-2022, 10:55 PM
77 TRASHCAN's Avatar
77 TRASHCAN 77 TRASHCAN is offline
Ultimate Warrior
 
Join Date: Oct 2008
Location: 31May2013 Temporary home to the world's widest (that we know of) tornado. Lord, NO more Please...
Posts: 6,591
Default

Quote:
Originally Posted by Sun Tuned View Post
BATHTUB for the win!
Job well done, Bob!!!

__________________
1977 Black Trans Am 180 HP Auto, essentially base model T/A.
I'm the original owner, purchased May 7, 1977.

Shut it off
Shut it off
Buddy, I just shut your Prius down...
  #12  
Old 09-28-2022, 10:23 AM
MarkS57's Avatar
MarkS57 MarkS57 is offline
Chief Ponti-yacker
 
Join Date: Jun 2015
Location: Flemington, NJ
Posts: 575
Default

Dammit!, Now I want one! (not likely, maybe when I get around to the 428)

__________________

65 Tempest, 400, TH400
86 Fiero SE 2.8
  #13  
Old 09-28-2022, 11:10 AM
Tom Vaught's Avatar
Tom Vaught Tom Vaught is offline
Boost Engineer
 
Join Date: Dec 2001
Location: The United States of America
Posts: 31,294
Default

Pontiac Offy dual quad had a substantial flow improvement vs the E-Stuff and Factory single 4 intakes at the time, (during a calibrated flow test on a Super Flow 1200 flow bench). This was years ago. Like 30 cfm better in a port to port comparison.

Tom V.

__________________
"Engineers do stuff for reasons" Tom Vaught

Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward.
  #14  
Old 09-28-2022, 11:53 AM
tempest1964's Avatar
tempest1964 tempest1964 is offline
Ultimate Warrior
 
Join Date: Feb 2014
Location: Indianapolis,Indiana
Posts: 1,465
Default

Tom, do you by any chance have any flow numbers from an Offy 5499? Stock or other?

Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 05:39 AM.

 

About Us

The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass.

 




Copyright © 2017