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Old 02-22-2021, 09:52 AM
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HWYSTR455 HWYSTR455 is offline
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Join Date: Jan 2005
Location: Manassas, VA
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Very nice build and numbers, you will be happy with that!

Not sure why so many bash the Holley Avengers, they are 'good' carbs, you just have to go thru them like with any part. Run the .130 needle & seat, they sometimes have issues on the higher rpm side. Last one I did I ran safety wire thru the passages to ensure there was no casting flash or crap, and they are dirty right out of the box.

I recently did an 870 for a friend on a 488 stroker build, and it was within 10hp of a professionally built $1200 Holley. And believe that was due to the .110 needle & seats that were in it.

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