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Home of the Whopper
 
Join Date: Mar 2001
Location: Rocky Top, TN
Posts: 6,853
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What to build for '71E?

Going in a '71E for a daily driver with some mountain roads thrown in.

I have a complete 2.2E and 2.2S engine with MFI. Originally I was going to stroke the 2.2E to a 2.4E. Now I am thinking I may use the 2.2S heads, throttle bodies and intakes to open it up a little bit. Will the larger ports hurt the bottom end too much around town? Anybody do this?

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1968 912 coupe
1971 911E Targa rustbucket
1972 914 1.7
1987 924S
Old 12-19-2009, 11:14 AM
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Join Date: Oct 2001
Location: Westford, MA USA
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I think that a 2.4E with S heads would most likely work fine since the E heads seemed to choke off the engine a bit. You'll most likely wind up with a 2.4E with a torque curved shaped more like a 2.0E's, just shifted up some.

To put it differently, it will be a little bit peakier than a 2.4E with stock heads. You might even want to try going with a DC40 or DC60 cams.

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'69 911E

"It's a poor craftsman who blames their tools" -- Unknown
"Any suspension -- no matter how poorly designed -- can be made to work reasonably well if you just stop it from moving." -- Colin Chapman
Old 12-23-2009, 01:43 PM
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