Quote:
Originally Posted by scooter1966
Here is my experience with the XE274 cam. Engine is a 455 40 over, 1.65 rockers, 6X heads that have been milled 20. Compression is at 9.2.The heads got the Jim Hand porting at home, but I only did the bowl work and did not touch the ports. 32 deg total timing all in at 3k. Th350, Continental "J.Hand" converter with 3.89 rear. 750 Holley on a Torker 2. 275/50/15 MT drag radials. Weight of the car is 3880 and ran a 13.04 in the 1/4 when launching at 1800. with a 1.8 60 ft. I'm sure i can get a better 60ft.
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Mikes455Wagon went 11.7's with the XE274 and unported 62's
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Will Rivera
'69 Firebird, 400/461, 290 Eddy D-Ports, HR 230/236, 4l80E, 8.5 Rear, 3.55 gears
'69 LeMans Vert, XS 350, #47 heads, TH400, 10 Bolt 3.23 gears, work in progress
‘66 Lemans, 455, 310 KRE D-Ports, HR 236/245, TH400, GV OD, 12 bolt 3.73 gears - see it here:
https://youtu.be/RP_s1wJKm_Y?si=K0NZxoTyaGcj8Dcb
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