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Old 03-02-2013, 09:43 PM
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Jurassicgto Jurassicgto is offline
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Join Date: Oct 2002
Location: Rossville,TN
Posts: 347
Default Rochester 2g accel pump shot

Working on my 6 carbs before spring hits. Want to try bigger accel pump shots to launch my 3500 lb car. My edelbrock x-2 intake has 2 big plenums, plenty of air but could probably use more fuel for launch. I have read that you can drill out the squirt holes in the venturi cluster where the pump shot squirts out and get a bigger shot. Circle track guys seem to mess with these carbs more and I have read on almost all the modded 2g suppliers they say the accel pump shot has been increased. Has anyone messed with their tripower carbs in this way and care to share any details? I read somewhere to enlarge holes .005 at a time until 60' times stop improving. Sound right? Impressed with Slowbirds dads tripower gto. Anyone know what he has done? I know about using holes closest on the pump arm.

 


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