Thread: Dyno Day
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  #138  
Old 09-14-2022, 10:10 AM
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jhein jhein is offline
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Join Date: Dec 2020
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Quote:
Originally Posted by 25stevem View Post
Did you confirm that the carb was opening all the way, because even with headers that vacuum reading of about -.8 says that you could use more cfm, at or above 4300 rpm, especially once those numbers get above -1.1!
At .8 your motor is now starting to work at pulling air in instead of atmospheric pressure pumping it in.
Steve, I said "Hmm" to your post because I'm not sure how much I trust anything on the dyno sheet right now.

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70 TA, 467 cid IAII, Edelbrock D-port heads, 9.94:1, Butler HR 236/242 @ .050, 520/540 lift, 112 LSA, Q-jet, TKX (2.87 1st/.81 OD), 3.31 rear

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