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PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > .005 or .010 shorter cam chain needed?
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Old 04-25-2024, 07:34 PM
70GS455 70GS455 is offline
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Might not want the chain to be too tight. Here's a test of one that lost 11 HP:
https://youtu.be/xk12lbg6SNI?si=ey5BCJLj-iX0Sx08

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Old 04-25-2024, 09:28 PM
ta man ta man is offline
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Originally Posted by 70GS455 View Post
Might not want the chain to be too tight. Here's a test of one that lost 11 HP:
https://youtu.be/xk12lbg6SNI?si=ey5BCJLj-iX0Sx08
I saw that video last year. It made me think I ran a -.005 set with this current shortblock. it was tight hard to put on. Late last year I swapped my looser standard set on..see what happens I'm always looking for horsepower.

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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
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