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Registered
Join Date: Aug 2002
Posts: 70
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2.4S MFI engine...Can I use 2.2 MFI?
Hi, I'm building a 2.4S engine on a 7R case and 2.2S high-CR p's and c's. Everything else is stock 2.4S. I have found a 2.2S MFI system, will it work? I know the bore is the same on these 2 engines (2.2S and 2.4S), but I was wondering if the 2.4S flowed more fuel. Thanks
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12-18-2003, 06:43 AM
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Moderator
Join Date: Dec 2001
Posts: 9,569
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Yes, it definitely takes more fuel-- more displacement means more air and more fuel to go with it. Plus you know that the 2.4 makes more power and more power= more heat = more fuel required. As to whether the space cam will work I think the profile has to do with the engine's power curve, which is dictated by the "S" cam profile, with the fuel required (rich/lean) simply being a matter of adjustment.
Why not call Gus and ask him?
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'66 911 #304065 Irischgruen ‘96 993 Carrera 2 Polarsilber '81 R65 Ex-'71 911 PCA C-Stock Club Racer #806 (Sold 5/15/13) Ex-'88 Carrera (Sold 3/29/02) Ex-'91 Carrera 2 Cabriolet (Sold 8/20/04) Ex-'89 944 Turbo S (Sold 8/21/20) |
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12-18-2003, 07:48 AM
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Registered
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I agree. I think that it will work by just adjusting the part throttle adjustment (basically the richer/leaner setting) since the cams are the same. But since a call to Gus is cheap, I'd give him a call.
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John '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 |
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12-18-2003, 08:18 AM
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1969 Porsche 911E 2.0 E
