How does the XE264HR cam work? - Ford Mustang Forums : Mustang Forum
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post #1 of 1 Old 01-03-2011, 12:14 AM Thread Starter
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How does the XE264HR cam work?

I've got a Lightning shortblock under small Ebrock Performer heads with an Explorer upper port matched to a GT40-351 lower converted to mass air and shorty headers in a 4,000 lb car with 3.55 gears and mild stall.

I built the motor on a very tight budget so went with a TF Stg 1 cam with 1.72 rockers to get a little more lift for the 351.

With a stock 5.0 HO auto ecu and stock timing (I can run 87 octane just fine and it runs pretty good) it's just a tad soft on torque under about 2800 rpm.

I ran across an XE264HR cam at a good price so picked it up, but now I went to a 4R70W trans with a lower 1st gear so am not so worried about off-idle torque as I was with the AOD.

The XE264 is about 8 deg shorter intake @ 050 but the intake only closes about 2 deg sooner ABDC so likely wouldn't trap much more pressure on the compression stroke and might not make much of a difference on lower rpm torque.

For those who have run a 264 on a mild motor (see my build in my sig) would you think it would be worth going thru all the work to swap my Stg 1 for the 264?

Just wondering how strong they are off-idle to about 3k rpm, not worried about anything much over 5200 rpm. Mine wasn't too bad with the hi 1st gear AOD and 2400 stall but could feel a definite surge around 3k when it seemed to "come up on the cam".


89 Linc Mk 7 LSC, 95 351, Ebrock hds, GT40, TF Stg 1 & 1.72, 70 MA, 30 inj's, 1-5/8 ceram short, 2-1/2" Dyno catbk, hi flo 180 stat & pmp, blue hoses & wires, 2 row rad, Taurus fan w/FAL VSC, trans filter & plate cool, 2700 stall, 3:55's, 17x8 Cobra & 255x50's, built 4R70W & Baum TCS
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