will a MAF computer out of a 89 mustang work with my 88 thunderbird? thx for the help
Only if your car has an H.O. conversion and you converted your T-Bird to mass air from speed density.
If not, you need a speed density computer available from a pre mass air mustang (before 89 or 88 for California emissions cars), a fox body T-Bird, Cougar or Lincoln Mark VII.
alright thats what i was afraid of. thx
By the way. Welcome aboard and nice looking T-Bird :D
thx i just got done doing almost what you did same heads a off brand intake upper and lower a bigger cam shortys and dual flowmasters now i just need to get the mustang computer to run it right:)
get some 19# injectors, they sell the wiring kit for the MAF, and pick up a computer, its not hard, there actually is a thread around here somewhere about the actual conversion
Tbird232ci is right. It looks like you have the components of an H.O. motor on your S.O. motor. From your first post I gather that you already have an 89 MAF computer. The solution is simple; convert your car to mass air and rearrange the plugwires for the H.O. firing order. You will also have to get a set of 19# fuel injectors. The MAF conversion is simple by getting some junkyard parts and a wiring kit for the MAF. If your car doesn't seem to be running where it should be, it's because of the factory speed density setup and your motor still being in S.O. mode. It doesn't work too well with better heads, intake and cam.
i already have the ho firing order becuase of my cam. i dont have the 89 maf computer i was looking into buying one but if it doesnt work ill just keep trying to find a older one out of a mustang i just got some 19# fuel injectors i dont have them on my car right now. but yea i changed so much that my computer is running on defualt so i need to find a older computer or changet o maf.
what do you have to do to change to a maf system tho? is there a page on it same where i can read?
http://www.foxtbirdcougarforums.com/showthread.php?t=3749
that thread has a lot of reading
theres another thread around, but i just cant find it
if you have all of the ho sensors and everything then it should work. I'll bet that they thought that you had a stock 5.0, which most new guys here do.
http://www.coolcats.net/tech/advanced/massair.html
alright i could change to maf but couldnt i just get a computer out of a 87 mustang and plug it in and it will work right? i may want to go with the maf later but right now i just want to get my car running normal first. i changed alot on it so i just want to make sure its going good now.
You can get a speed denstiy H.O. computer from either a Mustang, as you already know or an 86?- 92 Lincoln Mark VII. However with the modifications you have to your motor, you may not get all of their benefits with speed density. So if you get the computer and hook it up, don't think that all your work went to waste if the car doesn't run as well as it should. In other words running on speed density may not give an accurate reading as to if your car is running correctly.
i got that but it will run closer to what i have done to it then my computer right now. thats what im looking for. but from what i heard i can confuse a map computer easier then a maf so in my case i have been told i shouldnt go to maf becuase it may not read right. but i could have been told wrong
It should be better than it is now after you switch to the H.O. speed density computer. So basically you are still using the original S.O. computer which is set to run at a specific firing order and your car has the H.O. firing order. Your car should definitely run better. I'm not sure about what you were told. I haven't heard anything about that so it could very well be true or false.
what has been done to the engine? specific parts and whatnot?
i put a stage 2 comp cam in it and had the short block rebuid. i put a set of E7TE heads on it with a new upper and lower intake. i put shorty headers with true duals on with flowmasters. with my computer running just the defualt settings i can keep up with my dads v6 mustang so i know it will fly with just the computer upgrade.
Here is a pic:
http://tinypic.com/8z19bc.jpg
woah, It is running after all of those upgrades? I figured that the stock computer would be useless that far. It is the stock computer right?
It can't be running very good thats for sure... If the cam you installed doesn't produce at least 16"-17" of vaccum it will be way too rich at idle(especially with the HO 19lb injectors). You need to do the Mass Air up grade with at least 19lb injectors. And it would probably run better with 24lb inj and a larger aftermarket air meter....
yeah get a spiffy computer adn you will kill your dads mustang.
it dont run rich or anything pretty much all is does it run hot like at the n if you look at the stock temp gauge. pretty much right now i changed so much my computer just says ok this is how much fuel you will get this is how much air and there you go you can get home. so it runs and i can drive it sure but yea it doesnt go very fast, but it does run and i have the 19 lbs fuel injectors i just got them off ebay for 33 bucks for 8 of them i havnt put them in the car
:confused: What firing order are you using? Are you running an HO cam with an SO computer?? :nono:
yea pretty much thats my problem
i hope this is the computer im looking for
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=7986653873&rd=1&sspagename=STRK%3AMEBI%3AIT&rd=1
That's it.
im trying to find the cam specs, depending on the cam, you could get away with speed density
well we will find out i hope by next weekend:)
The VM1 is for a '86 but should work(if your engine will run correctly on speed densety)... It's likely going to need a ground wire run to pin #44 so the EEC can read the left 02 sensor...
now im looking at 65mm throttle bodys could i go higher or would i just be better off trying to find a 60-65mm one?
only one around michigan know a junk yard that has a throttle body from a mustang i cant find one to save my life