Quote:
Originally Posted by Navy Horn 16
I sent an e-mail to Butler Performance, and they got back to me within minutes. They think I could benefit from a little more carb, like a 950. I doubt that I'll change anything. I like my setup as is.
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The 950 flows about 830 so I doubt it would make a huge difference. In the low 11 range a850 Holley gained a tenth and 1 mph over a Q-jet for me but that’s within the margin of error and more tuning could have changed the result.
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68 GTO,3860#
Stock Original 400/M-20 Muncie,3.55’s
13.86 @ 100
Old combo:
462 10.75 CR,,SD 330CFM Round Port E's,Old Faithful cam,Jim Hand Continental,3.42's.
1968 Pontiac GTO : 11.114 @ 120.130 MPH
New combo:
517 MR-1,10.8 CR,SD 350CFM E's,QFT 950/Northwind,246/252 HR,9.5” 4000 stall,3.42's
636HP/654TQ
1.452 10.603 @ 125.09
http://www.dragtimes.com/Pontiac-GTO...lip-31594.html