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#1
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Round port headers for GrandPrix
Not sure what section to post this but thought it't get more views here.
Does anyone make round port headers for 69 GrandPrix? I've checked a couple places and not seeing anything yet. |
#2
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Wouldn't it be similar to an A body for '69-'72 since they shared the same frame besides the extension?
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1967 Firechicken, 499", Edl heads, 262/266@0.050" duration and 0.627"/0.643 lift SR cam, 3.90 gear, 28" tire, 3550#. 10.01@134.3 mph with a 1.45 60'. Still WAY under the rollbar rule. |
#3
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Yes Tony you are right,
Buy headers for an A body..
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Carburetor building & modification services Servicing the Pontiac community over 20 years |
#4
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Just double check that the steering linkage resides in the same location as the A body car!
I know that the 65 thru 66 B body cars need to run the 67 thru 69 Firebird headers.
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Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! And he was not talking about 1/8 or 1/4 mile ETs! 1) 1940s 100% silver 4 cup tea server set. Two dry rotted 14 x 10 Micky Thompson slicks. 1) un-mailed in gift coupon from a 1972 box of corn flakes. Two pairs of brown leather flip flops, never seen more then 2 mph. Education is what your left with once you forget things! |
#5
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Should be same as regular A-Body vehicles (64-72) for round port headers as the 69 GP front end was extended but the rest of the car is very similar to normal A-Body Vehicles.
Tom V.
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"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. |
The Following User Says Thank You to Tom Vaught For This Useful Post: | ||
#6
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Thanks guys!
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#7
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Quote:
Here are a couple things I remember from when I installed headers on my 69 G/P (400 engine, 400 trans) back in the 1980’s. 1. There was some kind of problem installing the steering column back drive linkage. I seem to remember not being able to make the factory linkage work. 2. The 69 G/P frame has unique engine mount brackets. Different than those used on the “A” bodies and even different than the ones used on the 70 G/P. The unique brackets on the 69 G/P frame allowed the engine to sit further back in the engine compartment and also allowed the engine to sit lower in the frame. 3. Because the engine sat lower the collector flange on the header was closer to the ground and would scrape on just about every driveway encountered. So the lower your G/P sits the closer the header collector flange will be to the ground. Last edited by 1969GiPper; 08-04-2020 at 11:00 PM. |
#8
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Bite the bullet,just have a set built on the car where everything fits!Maybe even be able to get the oil filter off.Tom
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#9
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It would be nice but very expensive and many options around for doing it
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#10
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I'd think Glenn Sedig would know everything about that, he's lives around your area also I think?
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
#11
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