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> CIS on a /6 2.0 911S Engine, Inquiring minds want to know
SLITS
post Nov 17 2005, 10:07 AM
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Ok, just a quick question.....

Would the CIS system off a 2.4T work on a 2.0S engine? Are the cams so different that the "flapper" would bounce and cause driveabilty problems (not that the S motors don't have them anyway)?

Now's yer chance motorheads..............

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airsix
post Nov 17 2005, 11:12 PM
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ANY digital programable ECU (Megasquirt, SDS, PerfectPower, Link, etc. etc.) and a set of individual throttle-bodies is a better-than-MFI MFI replacement. Any modern ECU can be programmed to run using only temp, rpm, and throttle possition as inputs (no manifold pressure) - just like MFI, and do it well. My ECU has a map sensor but I ran it MFI-style for a while once just for the heck of it to see how well I could program it. I was utterly SHOCKED at how easily it was tuned and how accurately it maintained the mixture once tuned. Piece of cake. IMHO if you are sourcing induction for an engine there is no reason today to use anyting but a digital ECU regardless of whether it's a tame-cammed or wild-cammed engine.
-Ben M.
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SLITS   CIS on a /6 2.0 911S Engine   Nov 17 2005, 10:07 AM
lapuwali   My guess is no way. The S cams are very wild, and...   Nov 17 2005, 10:16 AM
Aaron Cox   stay with the 2.4. driveability wise its better......   Nov 17 2005, 10:25 AM
goose2   S cams won't work with CIS...too much overlap   Nov 17 2005, 10:28 AM
Headrage   So what's the best fuel delivery system for an...   Nov 17 2005, 10:43 AM
Aaron Cox   ...   Nov 17 2005, 10:46 AM
SLITS   ...   Nov 17 2005, 10:49 AM
Aaron Cox   lol... the 2.4 should rock me also.... not on an...   Nov 17 2005, 10:51 AM
Headrage   http://...   Nov 17 2005, 11:05 AM
Headrage   ...   Nov 17 2005, 11:16 AM
Aaron Cox     Nov 17 2005, 11:18 AM
lapuwali   ...   Nov 17 2005, 01:05 PM
Root_Werks   Yup, if you start out with MFI it's worth savi...   Nov 17 2005, 01:09 PM
sixnotfour   Pre74 S cams are one thing , Wild ...   Nov 17 2005, 01:33 PM
goose2     Nov 17 2005, 01:41 PM
sixnotfour   yep http://www.914world.com/bb...   Nov 17 2005, 01:43 PM
SLITS   '67 to be exact   Nov 17 2005, 01:53 PM
lapuwali     Nov 17 2005, 01:54 PM
goose2   aluminum case huh?   Nov 17 2005, 01:55 PM
Cap'n Krusty   ...   Nov 17 2005, 02:40 PM
tracks914   Were there any early engines that had to run on hi...   Nov 17 2005, 06:18 PM
brant     Nov 17 2005, 06:27 PM
r_towle   There is a porsche shop here in the East that has ...   Nov 17 2005, 06:37 PM
brant     Nov 17 2005, 06:38 PM
brant   hmmm.... I really shouldn't of said that.. jus...   Nov 17 2005, 06:41 PM
Headrage   ...   Nov 17 2005, 06:47 PM
Duffster   Hey Alan... 46s might be a little heavy duty unl...   Nov 17 2005, 10:46 PM
Headrage   I'm getting alot of feedback from the 911 guy...   Nov 18 2005, 08:11 AM
Root_Werks   Those 46's might be jetted a little much for a...   Nov 18 2005, 10:02 AM
SLITS   ...   Nov 18 2005, 10:34 AM
Aaron Cox     Nov 18 2005, 10:36 AM
Headrage     Nov 18 2005, 10:57 AM
SLITS   http://www.914world.com/bbs...   Nov 18 2005, 12:54 PM
SLITS   Sehr gut mein irregeführter Freund.   Nov 18 2005, 06:38 PM


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