E303 Cam?? Need help ASAP!!
Senior User
Joined: Nov 2004
Posts: 166
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From: Tucson, AZ
Originally Posted by 98powerstang
Is MAF better then Speed Density?
i converted my 83 f150/351w to 88/89 speed density. does exactly what i want it to do, pulls my race car to the track with little of no maint. cheers, garsten
Hotshot
Joined: Jul 2002
Posts: 14,285
Likes: 12
From: Bend,OR
to use a mustang harness you will need it lengthend. it wont fit correctly from the start.
if you were to poke around on the Lightning forums you would find that most are still running speed density and prefer it over mass air. speed density will work just fine running aftermarket heads,intake,throttlebody,headers etc.. Cam choices just need to have a 114*lob seperation or more. this may require a custom cam made or in the lightning guys running the 302 ho cam with 1.7 rockers and getting great results. of course this is also on a 5.8 not a 302.
also you cant run a adjustable fpr on speed density. the computer will not like it unless you are using a tweecer.
know also that running that Ecam even with Mass air will require a chip or dyno tune to get running properly.
good luck
if you were to poke around on the Lightning forums you would find that most are still running speed density and prefer it over mass air. speed density will work just fine running aftermarket heads,intake,throttlebody,headers etc.. Cam choices just need to have a 114*lob seperation or more. this may require a custom cam made or in the lightning guys running the 302 ho cam with 1.7 rockers and getting great results. of course this is also on a 5.8 not a 302.
also you cant run a adjustable fpr on speed density. the computer will not like it unless you are using a tweecer.
know also that running that Ecam even with Mass air will require a chip or dyno tune to get running properly.
good luck
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Senior User
Joined: Jan 2007
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How would I go about converting to MAF? How would I wire it. Ya I know I am being a PITA but I have the cam here and figured if its not to hard I will convert it to MAF. Anyone have any wiring diagrams and a list of what will all be needed. I have all the wiring and the Computer what else would be needed? I have a few more days to get everything figured out so any help would be great thanks guys.
Senior User
Joined: Nov 2004
Posts: 166
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From: Tucson, AZ
what year mustang did the wiring harness and computer come from? did you get the mass air meter? was it manual or automatic? what is the 3 charactrer code on the computer? if the engine is from an 88-93 stang, i would spend $30 and get the book by probst on ford eec-iv covering these year systems...it's worth every penny. cheers, garsten
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Joined: Jul 2002
Posts: 14,285
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From: Bend,OR
fordfuelinjection.com should show you everything you need and how about lengthening.
what i dont understand is why you continue to think you need to run this cam. your going to get it installed and hate it and will not run right then spend more money removing and doing what has been suggested many times.
what i dont understand is why you continue to think you need to run this cam. your going to get it installed and hate it and will not run right then spend more money removing and doing what has been suggested many times.
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Senior User
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It came out of a 1989. I dont have the Mass Air Meter. I can get it the Junkyard the motor came from is like a 5 min drive from me. I think the car was a auto I would have to check on it. The 3 character code I am not sure. How would I check on that?
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Senior User
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I didnt say I was set on doing it. I just want to find out everything to do it. I didnt know bout all that so I would like to learn about it all on future referances. If its going to cost way to much I wont do it and sell the cam and put the money toward some gears. I just like to learn about everything I can when i dont know about it. That way I can stay clear of it and have the knowledge. Sorry if it all came off wrong.
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Joined: Jul 2002
Posts: 14,285
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From: Bend,OR
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Senior User
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It has a 5 spd in it. I not sure what kind I would have to look. It was an origanl 4spd but the owner before swapped in the 5spd. I noticed someone here has ran a cam with the lobe seperation of 112 and he only has problems on startup.
FTE Legend
Joined: Jun 2006
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From: Ottawa, Ontario
For the record here a few roller cams that are known to work well with Speed Density EECIV. Generally durations below 216/220.
........Cam # .............Lobe Cent....... Dur@.050...... Adv Dur.... Lift@valve
CompCams 35-510-8........112............ 208/216........ 258/266..... 533/544
Crane 444211..................112............ 208/216........ 262/270..... 530/530
CompCams 35-308-8........114............ 210/215........ 266/270..... 533/533
Crower 15510..................112............ 212/212.........275/275..... 531/531
CompCams 35-349-8........ 114............ 212/218....... 264/270...... 512/512
CompCams 35-310-8........ 114............ 215/220....... 270/276...... 533/544
Crane 444211.................. 112............ 216/220....... 270/278...... 533/544
OEM 5.0HO..................... 115.............211/211....... 266/266...... 444/444
These cams below work with SD, but run rough and require more tuning(chip).
CompCams 35-305-8......... 114............ 215/225....... 270/284...... 533/533
CompCams 35-351-8......... 114............ 218/224....... 270/276...... 512/512
Crower 15511.................. 114............. 218/224....... 278/282...... 468/486
........Cam # .............Lobe Cent....... Dur@.050...... Adv Dur.... Lift@valve
CompCams 35-510-8........112............ 208/216........ 258/266..... 533/544
Crane 444211..................112............ 208/216........ 262/270..... 530/530
CompCams 35-308-8........114............ 210/215........ 266/270..... 533/533
Crower 15510..................112............ 212/212.........275/275..... 531/531
CompCams 35-349-8........ 114............ 212/218....... 264/270...... 512/512
CompCams 35-310-8........ 114............ 215/220....... 270/276...... 533/544
Crane 444211.................. 112............ 216/220....... 270/278...... 533/544
OEM 5.0HO..................... 115.............211/211....... 266/266...... 444/444
These cams below work with SD, but run rough and require more tuning(chip).
CompCams 35-305-8......... 114............ 215/225....... 270/284...... 533/533
CompCams 35-351-8......... 114............ 218/224....... 270/276...... 512/512
Crower 15511.................. 114............. 218/224....... 278/282...... 468/486
FTE Legend
Joined: Jun 2006
Posts: 31,930
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From: Ottawa, Ontario
Originally Posted by 98powerstang
Out of those cams what would put out more low end TQ?
The cam I have is the flat tappet Crane 444232...114...206/214...268/276...448/464.
It produces axle twisting torque in a 351 right off idle.. literally. I really need some traction bars because I keep damaging U joints. All these cams have similar profiles but with more lift, so they should all produce similar results.
FTE Legend
Joined: Jun 2006
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From: Ottawa, Ontario
Originally Posted by 98powerstang
Hows the idle with that cam? Does it have a good lope or a pretty small one?