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#1
06-08-2025, 12:43 AM
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64 GTO w/transistor ignition - did they delete vacuum can from distributor?
Came across an all-original 64 GTO at a show today that was equipped with transistor ignition option code 571 (per the window sticker). The distributor had no vacuum advance can.
Was that normal with transistor ignition? |
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#2
06-08-2025, 02:02 PM
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Factory ones did have a vacuum advance unit.
Maybe it was an aftermarket unit? The control unit is on the radiator support ( I think) 
__________________
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! W.E.C moment "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 |
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#3
06-08-2025, 02:50 PM
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'64 T.I. Distributor Specs (Delco Remy Bulletin 1D86)
__________________
Ed 1968 GTO (Thanks Mom) 2006 Silverado 2015 Chevy Express  2024 Cadillac LYRIQ 
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#4
06-08-2025, 02:51 PM
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Distributor 1111047
__________________
Ed 1968 GTO (Thanks Mom) 2006 Silverado 2015 Chevy Express 2024 Cadillac LYRIQ
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#5
06-08-2025, 11:41 PM
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Thanks guys, I'll pass this information along to the car owner. I'll try to get him to pull the distributor to see if it still has its Delco tag on it and to see if there is evidence that it once had (or didn't have) provision to attach a vac can.
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#6
06-09-2025, 10:12 AM
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T.I.
Here is a 1965 T.I. system.
I think the 1964 is very similar. |
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