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Afr on 250 alky blower
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DRR Sportsman
posted
Just wondering on what y’all seeing as a reading on your boosted alky setups .
I’m seeing 4.8 on my setup . Cut open spark plug and seen good maybey even bit on rich side .

I’m running a 41 top and 67 bottom getting about 2.8 lbs of boost 31 degree right out of the hole ,430 gears big bubbas ,runs 4.53 @ 153 mph in good air . Dragster weighs 2080 lbs with me in it .
 
Posts: 36 | Location: canada | Registered: December 08, 2011Reply With QuoteReport This Post
DRR Sportsman
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quote:
Originally posted by abitz:
Just wondering on what y’all seeing as a reading on your boosted alky setups .
I’m seeing 4.8 on my setup . Cut open spark plug and seen good maybey even bit on rich side .

I’m running a 41 top and 67 bottom getting about 2.8 lbs of boost 31 degree right out of the hole ,430 gears big bubbas ,runs 4.53 @ 153 mph in good air . Dragster weighs 2080 lbs with me in it .


What is the engine size on this combo? What size carb?
 
Posts: 609 | Location: UTD | Registered: September 25, 2019Reply With QuoteReport This Post
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