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Old 02-23-2026, 08:34 AM
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OCMDGTO OCMDGTO is offline
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I was running locked out on the street for a few years. Car ran great but after the 4th flexplate it was time for a change. Start retard is the way to go, im using a Progression Distributor

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Chris D
69 GTO Liberty Blue/dark blue
T400, 9" w 3.50s, 3905lbs

461, 850 Holley, T2, KRE 310s, Comp HR 236/242D .572/.594L, RA manifolds, 11.53@114, 1.55/60

The spare: 467, 850 Holley, T2, Edelbrock Dport 310cfm w RA manifolds, Howard HFT 245/251D .561/.594L, 11.59@ 114, 1.57/ 60'
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Old 02-24-2026, 06:21 PM
ta man ta man is offline
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Originally Posted by OCMDGTO View Post
I was running locked out on the street for a few years. Car ran great but after the 4th flexplate it was time for a change. Start retard is the way to go, im using a Progression Distributor
Do you have your timing locked out with the Progression Distributor or do you have a bit of a curve or vacuum advance for the street?

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466 Mike Voycey shortblock, 310cfm SD KRE heads, SD "OF 2.0 cam", torker 2,generic one inch open spacer
373 gears 3200 Continental Convertor
best et 10.679/127.5/1.533 60ft
308 gears best et 10.76/125.64/1.5471
  #3  
Old 02-25-2026, 10:22 AM
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OCMDGTO OCMDGTO is offline
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Quote:
Originally Posted by ta man View Post
Do you have your timing locked out with the Progression Distributor or do you have a bit of a curve or vacuum advance for the street?
TA, I run 32° all in at 1500rpms. I think it starts out around 12° initial

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Chris D
69 GTO Liberty Blue/dark blue
T400, 9" w 3.50s, 3905lbs

461, 850 Holley, T2, KRE 310s, Comp HR 236/242D .572/.594L, RA manifolds, 11.53@114, 1.55/60

The spare: 467, 850 Holley, T2, Edelbrock Dport 310cfm w RA manifolds, Howard HFT 245/251D .561/.594L, 11.59@ 114, 1.57/ 60'
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