Those spun aluminum styles are some of the most restrictive of the drop base filters. The bottom half of the filter Is blocked by the base. You may as well run a 1” filter with a flat base.
No drop base is as good as a flat one but the L88 unit has been proven effective. 2” drop with a smooth radius. With a stock intake you could probably run a 4” tall filter with it.
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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
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