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Old 02-27-2012, 10:12 PM   #1
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I need MAF conversion for dummies

okay going to a gt40 upper an lower intake... my car is currently SD and I want to go to maf I did read the stickies thread but I wanted to no how hard this is to do. my mechanicle skills are very slim and was curious what tb size to go with. Please if someone can some up the 14 page stickie to maybe a paragraph so I know what im gettin in to
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Old 02-27-2012, 11:30 PM   #2
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Re: I need MAF conversion for dummies

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okay going to a gt40 upper an lower intake... my car is currently SD and I want to go to maf I did read the stickies thread but I wanted to no how hard this is to do. my mechanicle skills are very slim and was curious what tb size to go with. Please if someone can some up the 14 page stickie to maybe a paragraph so I know what im gettin in to
The conversion article in the Useful Information sticky is only 1 page - Speed Density to MAF Conversion


You are basically looking at replacing the computer, adding a few components and doing a bit of wiring.
The only thing I see that they may have left out is to replace the Speed Density MAP sensor with a MAF, MAP sensor.


A 65 or 70MM TB will serve your needs.
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Old 02-28-2012, 07:09 AM   #3
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Thanks trojan I read through it can I buy the whole conversion as a kit or do I have to pull the wiring and CPU from another car?
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Old 02-28-2012, 07:11 AM   #4
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five0logy has a conversion kit
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Old 02-28-2012, 07:26 AM   #5
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Thanks ill look into it
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Old 02-28-2012, 10:21 AM   #6
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Re: I need MAF conversion for dummies

ive done a conversion before. it was approximatley 60-65 bucks in materials. i bought a 50 dollar pcm and 15 dollar mass air from the junk yard. its time consuming but not real hard. pm me if u have questions not answered by the article above...
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Old 02-28-2012, 10:53 AM   #7
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Re: I need MAF conversion for dummies

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Thanks trojan I read through it can I buy the whole conversion as a kit or do I have to pull the wiring and CPU from another car?

You can either buy a kit which may cost up to $500 or more, or you can low buck it by buying used components at a salvage yard, swap meet or from individuals.The choice is entirely up to you.
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Old 02-28-2012, 11:07 AM   #8
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Re: I need MAF conversion for dummies

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You can either buy a kit which may cost up to $500 or more, or you can low buck it by buying used components at a salvage yard, swap meet or from individuals.The choice is entirely up to you.
+1
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racing aod, 2700 stall, 3.42 gears, ported e7, 308ci, 1.7rr, comp .560valve springs, gear drive, high dwell module, msd 6a & coil, bbk off road xpipe, mac cat back, 30lbs inj, pro-m 90mm, welded subframe connectors, boxed upper & lower trailing arms, spherical axle bushings, 255/50/16 tires, 255lph pump, 456hp
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Old 02-28-2012, 11:40 AM   #9
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Ok now can I get away with chip and not doing a maf conversion, this is what I got long tube bbk headers x pipe gt40 intake 351w heads if they will fit also e303 cam I have 373 gears and flow masters im ordering 24BS injectors and a new tb upgrade any thaughts
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Old 02-28-2012, 12:35 PM   #10
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Re: I need MAF conversion for dummies

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Ok now can I get away with chip and not doing a maf conversion, this is what I got long tube bbk headers x pipe gt40 intake 351w heads if they will fit also e303 cam I have 373 gears and flow masters im ordering 24BS injectors and a new tb upgrade any thaughts
Thoughts.


1. Do the MAF conversion, the response, tuneability and driveability will be much better.
2. 351W heads are not much if any better than your E7 heads, save your money.
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Old 02-28-2012, 12:40 PM   #11
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Re: I need MAF conversion for dummies

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Ok now can I get away with chip and not doing a maf conversion, this is what I got long tube bbk headers x pipe gt40 intake 351w heads if they will fit also e303 cam I have 373 gears and flow masters im ordering 24BS injectors and a new tb upgrade any thaughts
with speed density... the computer cannot see the cam, nor can it see the higher flowing intake. do the mass air conversion. im not sure if speed density is a chipable appication. u will be happier with the conversion...trust me

---------- Post added at 01:40 PM ---------- Previous post was at 01:39 PM ----------

the 351 heads are the same as 302...ur thinkn bout chevies bud
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bbk ssi, 70ml t.b., bbk adj.reg., bd11-a 11psi, e-cam,
racing aod, 2700 stall, 3.42 gears, ported e7, 308ci, 1.7rr, comp .560valve springs, gear drive, high dwell module, msd 6a & coil, bbk off road xpipe, mac cat back, 30lbs inj, pro-m 90mm, welded subframe connectors, boxed upper & lower trailing arms, spherical axle bushings, 255/50/16 tires, 255lph pump, 456hp
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Old 02-28-2012, 01:03 PM   #12
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The heads were free my step brother took them off of his motor he is building. So if I used them would they need to be modded at all? And I think ill just do the maf conversion im just on a tight budget. Broke my back a few months ago so im not working and decided to work kn my car
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Old 02-28-2012, 01:09 PM   #13
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Re: I need MAF conversion for dummies

u can do the conversion yourself for cheap. there's no mods necessary to swap those heads. the only difference between 302 and 351 heads is the casting number. u can use them, but there's no performance advantage like in chevies when doing a similar swap from 305 to 350
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bbk ssi, 70ml t.b., bbk adj.reg., bd11-a 11psi, e-cam,
racing aod, 2700 stall, 3.42 gears, ported e7, 308ci, 1.7rr, comp .560valve springs, gear drive, high dwell module, msd 6a & coil, bbk off road xpipe, mac cat back, 30lbs inj, pro-m 90mm, welded subframe connectors, boxed upper & lower trailing arms, spherical axle bushings, 255/50/16 tires, 255lph pump, 456hp
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Old 02-28-2012, 01:14 PM   #14
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To use the 351 heads you will need either head bolt bushings or have to convert your block to 1/2" bolts.yours are 7/16
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Old 02-28-2012, 01:36 PM   #15
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I wont even bother with the heads then ill just hold off those for now. Which means I will hold off on the cam untill I get some good heads.
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Old 02-28-2012, 02:02 PM   #16
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I did the conversion on my 86, I'm not the greatest at wiring but I had no problem. Just read all the instructions if u buy a kit, I got mine from dunneright if I remember correctly. It's not the most difficult thing to do and ull notice a difference in Ur drivability very quickly. Good luck.
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Old 02-28-2012, 03:24 PM   #17
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Awesome thanks man if you don't mind me asking what did you pay for you're lot because i'm not to thrilled about buy img used parts
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Old 02-28-2012, 05:33 PM   #18
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Is this a good conversion kit I knkw its only good with the stock injectors but im not looking to.do those untill next project I think. http://shop.fiveologyracing.com/Stag...ion-MAF70M.htm
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Old 02-28-2012, 09:00 PM   #19
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Re: I need MAF conversion for dummies

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Is this a good conversion kit I knkw its only good with the stock injectors but im not looking to.do those untill next project I think. Mass Air Conversion Kit
Those are probably one of the least expensive kits on the market.
However note that you may need a few additional components.
One is the VSS sensor mentioned on that page.
Next is a MAP sensor calibrated for use with the MAF system or you can cap off the MAP sensor port on the intake and leave the MAP sensor line connection itself open to the atmosphere according to the article.
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Old 02-28-2012, 09:20 PM   #20
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Re: I need MAF conversion for dummies

I see is the VSS sensor a must if my cruise is disconnected well it just doesnt work and i really dont use it anyways.
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Old 02-28-2012, 09:24 PM   #21
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Re: I need MAF conversion for dummies

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I see is the VSS sensor a must if my cruise is disconnected well it just doesnt work and i really dont use it anyways.
I don't know for sure.
Ask the guy selling the kits, he should know if you need to get your cruise fixed or install the VSS and speedo cable.
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Old 02-28-2012, 10:34 PM   #22
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Re: I need MAF conversion for dummies

Throw the cam in anyway...!
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Old 02-28-2012, 11:59 PM   #23
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Throw the cam in anyway...!
thought about it.
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Old 02-29-2012, 12:03 AM   #24
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Quote:
Originally Posted by 87blackonblack

thought about it.
Drivability will suffer w/o mass air
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That's unimpressive
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Old 02-29-2012, 06:57 AM   #25
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So I read through the intire how.to.stickie and it does not seem bad at all I believe I will be tackling tbis very soon. New upper and lower gt40 longtube headers x pipe and flow master 10s and cai maf should I need a tune dor this or would I be okay with stock tune for now
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Old 02-29-2012, 07:46 AM   #26
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Re: I need MAF conversion for dummies

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So I read through the intire how.to.stickie and it does not seem bad at all I believe I will be tackling tbis very soon. New upper and lower gt40 longtube headers x pipe and flow master 10s and cai maf should I need a tune dor this or would I be okay with stock tune for now
Just a basic tune. Check the plugs, cap, rotor, wires, fuel pressure and set the timing.
The computer will handle the rest ok.
The stock computer can handle most add ons, it's only when you get really radical with forced induction, high compression or nitrous oxide that you will need to seek some outside tuning capabilities.
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Old 02-29-2012, 11:11 AM   #27
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Thanks Trojan you have been a huge help so far as well as the others above who have commented. Will keep Everyone posted i continue my mods
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Old 02-29-2012, 09:12 PM   #28
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Intake spacer is this.any teal horse power gain or a waste of time and money?
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Old 02-29-2012, 10:25 PM   #29
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Not really for a gain.there main purpose is for clearance reasons.like if you install tall valve covers etc.
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Old 02-29-2012, 10:31 PM   #30
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Ok because I have read that they give a slight HP gain like maybe 10 out so but whenlooking through some of the forums people really don't even notice a difference lol I'll take the advice ofthe forum for sure
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Old 02-29-2012, 10:39 PM   #31
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Maybe small but like u said not really noticeable
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Old 02-29-2012, 10:47 PM   #32
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Re: I need MAF conversion for dummies

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Intake spacer is this.any teal horse power gain or a waste of time and money?
No teal horsepower, but the red horsepower goes up.


The spacer, like dreamstang said are mainly used to provide clearance over the valve covers.
By lengthening the intake runners it will provide a bit more low end torque, but not enough to be really noticeable.
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Old 02-29-2012, 10:50 PM   #33
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Lol I hate usin my phone I cant type on this new one touch screen is very annoying lol. I had some questions about aftermarket seats I was lookin at some racin seats online and was interested is this difficult and how big is to big so I have an idea and with me putting subframes on would this also be a problem for seats
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Old 02-29-2012, 10:56 PM   #34
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I picked these up for 320 for the pair shipped to my door from summit racing.they are procar seats from scat.they make adapters to make them a directon bolt in.I'm not sure what they cost cause I made my own.
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Old 02-29-2012, 11:15 PM   #35
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Re: I need MAF conversion for dummies

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Lol I hate usin my phone I cant type on this new one touch screen is very annoying lol. I had some questions about aftermarket seats I was lookin at some racin seats online and was interested is this difficult and how big is to big so I have an idea and with me putting subframes on would this also be a problem for seats
Installing seats is relatively easy.
Disconnect any wiring and remove four bolts/nuts and they are loose.
Lift them out, reverse the removal procedure with the new seats and you are done.
You may or may not need to disconnect or reconnect the wiring depending upon if you have power seats and whether or not you buy power replacements.


If you buy "racing" seats DO NOT buy the cheap plastic ones.
They are the most uncomfortable, worthless pieces of junk I was ever stupid enough to purchase.


What do you mean how big is to big? Just measure what you have to get an idea of width and height fitment.


When you buy the subframe connectors be sure to purchase the ones that have the added seat support. That's a weak area in Mustangs and it needs the support.
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