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My engine was originally a '72 "T". I had the MFI pump rebuilt to
"S" spec, and had Elgin regrind the cams to their Modified S spec.
This cam has very close to the same duration of the Porsche S
cam but a little bit more lift. For now, I'm using the stock T throttle
bodies and plastic stacks. Long term plan is to find a set of S throttle bodies and stacks. I'm sure I'm losing some power on the upper end of the RPM range, but it still pulls very strong to
redline.
I didn't use the yoke when I was rebuilding the motor. If I were to do it again, I would invest in the yoke. As I approached the last stages of the engine reassembly, a standard engine stand with a 4 point mount stressed the bolts quite a bit. With a magnesium block, this is not good. I think the yoke would provide
more support and eliminate this concern.
I've been very pleased with this motor. Many have expressed concern over piston noise from the JE, but I've never had a problem. Oil consumption is moderate at 1qt/1200 miles.
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Ron
69 911T
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