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wahoofan's Avatar
 
Join Date: Jul 2005
Location: Canton, Ohio
Posts: 397
2.4E mfi set-up on a T motor

I'm sure I have seen this question answered here before, but I can't seem to find it in the archives.

I may have an opportunity to buy a complete E mfi set-up, which I would put on my 2.4T motor. Is this basically a "bolt-on" improvement, or would I need to have a lot of other $$$ work done?
Also, would the above set-up with E cams and higher compression pistons make for a (relatively) low-budget engine upgrade?

I just dyno-ed my stock 2.4T motor on Saturday and hit 132hp and 138lb/ft, so I don't want to change anything major on what seems to be a strong, original motor!

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wahoofan

'72 911T Targa
Old 04-16-2007, 06:32 AM
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Henry Schmidt's Avatar
 
Join Date: Apr 2004
Location: Fallbrook, Ca. 92028
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Cams and pistons would offer far more improvement than the injection system.

The "T" injection is suitable for engines upgrades.
I would be surprised to see any improvement with the injection alone.

Do the pistons (9.5:1) install E or Solex cams, port the heads and enlarge butterflies/stacks and you'll have a great little engine.
Only buy the injection if you have money to burn or want to save it for a future project.
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Old 04-16-2007, 06:58 AM
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Henry,
Thanks for the quick response!! I may buy the MFI stuff anyway for a spare, if the price is right.
How much horsepower gain would I expect from the modifications listed above? Would I have to change the MFI pump to do this?

Thanks!
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wahoofan

'72 911T Targa
Old 04-17-2007, 06:33 AM
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Henry Schmidt's Avatar
 
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It's very hard to quote horse power numbers on a hypothetical engine but my guess is 20-30.

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Old 04-17-2007, 06:56 AM
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