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Old 06-24-2004, 01:23   #1 (permalink)
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cam q

I know I am asking dumb questions but I have no idea,so please cut me some slack.

Does it matter what cam I run when I convert to efi?
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Old 06-24-2004, 01:28   #2 (permalink)
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Re: cam q

I have heard not to have more than 110 or 112 degree lobe separation for a standard computer beacuse the will stall but like you i don't have much of an idea.
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Old 06-24-2004, 02:10   #3 (permalink)
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Re: cam q

Maybe if you tell us about the cam you have, someone might be able to tell you if it is compatible with efi.
Or maybe compare it with some efi cam specs like the crane ones.
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Old 06-24-2004, 02:22   #4 (permalink)
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Re: cam q

I really dont want to be changing cams, but here are the spec's
.560lift, .248@.050,110 lobe sep(solid flat tappet)...does that help?
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Old 06-24-2004, 05:26   #5 (permalink)
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Re: cam q

Quote:
Originally Posted by 347
I really dont want to be changing cams, but here are the spec's
.560lift, .248@.050,110 lobe sep(solid flat tappet)...does that help?
Maybe you could try a roller cam with slightly smaller duration numbers? Could give the same end result vs the old flat tappet job. Here is an article detailing the testing of several comp cams on an EFI 347:
http://www.50mustangandsuperfords.co.../138_0402_347/

Your cam is bigger than any of these (duration wise), but remember - they are using the stock computer. If you are going for good aftermarket management, I really think you should be able to run any cam you like.
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Old 06-25-2004, 01:54   #6 (permalink)
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Re: cam q

As slipper has said, good aftermarket ecu will handle that cam fine. There is no way the factory ecu would handle a cam in that size regardless of the lobe seperation, chipped or not. I don't know about Tweecer or EEC Tuner.
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Old 06-25-2004, 03:00   #7 (permalink)
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Re: cam q

the cam that i'm running is quite a bit bigger than that of the one that you have currently, .565" in, .574" ex, 282* @ .006, 232 @ .050(in) 290* @ .006, 240 @ .050" ex, with 112.0 lobe seperation and had no problems with the std eec, apart from that if you get a EEC from an eb / ed, with any of these catch codes 1DDC,1DCE,3DEA,2DCA and 2DDA, you will have full support to use twEECer, and thus a system inwhich rivals motec and other high name aftermarket engine management systems
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Old 06-25-2004, 03:36   #8 (permalink)
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Re: cam q

Eb..are you refering to may cam?
If you are ,I am thinking 248@50 is a little bigger than 232 and 240@50, if not a apologise.
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Old 06-25-2004, 04:03   #9 (permalink)
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Re: cam q

you are right but you dont have the as much lift though, it is by all regaurds still a huge cam, the post i made before wasn't quite how i imagined it to sound reading it again, but the point i was making is that if the std eec could run the cam that i have it shouldn't have any prob running your's:)
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