Just bought on3 kit - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 24 Old 07-20-2011, 09:53 AM Thread Starter
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Just bought on3 kit

I just bought an on3 kit for my fox.

How many of you are or have ran a turbo on a fox with out a tune?

Im hoping to get away with 42lb injectors, fuel pump, blowthrough maf, locking timing, and Fuel pressure. combo is in sig below. untill i can afford a tuner

any info is appreciated!


Current: 04 Gt, sonic blue, 3.73s, 2.5" custom o/r exhaust, diablo tune, cai.

Sold: 90lx, stock short block & cam, TFS 170's, 1.72rr, typhoon intake, on3 kit 70mm, AOD, 4.10 gear, cobra 39s, C&L maf, stock tune, 11psi boost

Last edited by gator72007; 07-22-2011 at 01:58 PM.
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post #2 of 24 Old 07-20-2011, 09:57 AM Thread Starter
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double


Current: 04 Gt, sonic blue, 3.73s, 2.5" custom o/r exhaust, diablo tune, cai.

Sold: 90lx, stock short block & cam, TFS 170's, 1.72rr, typhoon intake, on3 kit 70mm, AOD, 4.10 gear, cobra 39s, C&L maf, stock tune, 11psi boost

Last edited by gator72007; 07-22-2011 at 01:54 PM. Reason: double
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post #3 of 24 Old 07-22-2011, 01:59 PM Thread Starter
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anyone?

Current: 04 Gt, sonic blue, 3.73s, 2.5" custom o/r exhaust, diablo tune, cai.

Sold: 90lx, stock short block & cam, TFS 170's, 1.72rr, typhoon intake, on3 kit 70mm, AOD, 4.10 gear, cobra 39s, C&L maf, stock tune, 11psi boost
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post #4 of 24 Old 07-22-2011, 02:31 PM
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do you have speed density or maf? i would at least put a wideband a/f meter on to make sure it doesnt run lean. you could save money for now without getting a tune but if you hurt the motor in the longrun its going to cost you alot more money. i would save for awhile. i know it sucks having to wait to install a turbo kit

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Turbo 2v
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post #5 of 24 Old 07-22-2011, 03:22 PM
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Look into a timinglock....www.xpinnovation.net You can run factory timing then lock the timing under boost.

Better than running locked all the time.

89 coupe- some parts

best time-11.67
best mph-120.57
best 60 ft-1.63

Last edited by flashman; 07-22-2011 at 03:24 PM.
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post #6 of 24 Old 07-22-2011, 03:47 PM
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Look into a timinglock....XPI - eXtreme Performance & Innovation You can run factory timing then lock the timing under boost.

Better than running locked all the time.
How would this device be better than an old school MSD BTM? Its $160 plus a boost switch. Your going to spend almost $200 by the time its shipped taxes etc.

I'd skip the MAF, buy a wideband and a Megasquirt and be done with it. I did it and it has worked out great for me. Sold the Maf for $200 sold the factory ECU for $100. It's a pretty steep learning curve but it is cool to be able to modify your own tune.

92 Hatch On3 Turbo, T56
92 Vert 349 Lunati Stroker T5
87 Gt Eddy HCI T5
87 Notch in progress

Last edited by fmyth; 07-22-2011 at 03:51 PM.
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post #7 of 24 Old 07-22-2011, 06:40 PM Thread Starter
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Originally Posted by LS1KILR View Post
do you have speed density or maf? i would at least put a wideband a/f meter on to make sure it doesnt run lean. you could save money for now without getting a tune but if you hurt the motor in the longrun its going to cost you alot more money. i would save for awhile. i know it sucks having to wait to install a turbo kit
my car is a 90 so i have a MAF, I have an AEM wideband on the car now, thanks for the info

Current: 04 Gt, sonic blue, 3.73s, 2.5" custom o/r exhaust, diablo tune, cai.

Sold: 90lx, stock short block & cam, TFS 170's, 1.72rr, typhoon intake, on3 kit 70mm, AOD, 4.10 gear, cobra 39s, C&L maf, stock tune, 11psi boost
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post #8 of 24 Old 07-22-2011, 06:43 PM Thread Starter
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How would this device be better than an old school MSD BTM? Its $160 plus a boost switch. Your going to spend almost $200 by the time its shipped taxes etc.

I'd skip the MAF, buy a wideband and a Megasquirt and be done with it. I did it and it has worked out great for me. Sold the Maf for $200 sold the factory ECU for $100. It's a pretty steep learning curve but it is cool to be able to modify your own tune.

Said you would skip on a MAF, are you not using a MAF or what, if so how?
thanks

Current: 04 Gt, sonic blue, 3.73s, 2.5" custom o/r exhaust, diablo tune, cai.

Sold: 90lx, stock short block & cam, TFS 170's, 1.72rr, typhoon intake, on3 kit 70mm, AOD, 4.10 gear, cobra 39s, C&L maf, stock tune, 11psi boost
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post #9 of 24 Old 07-22-2011, 07:30 PM
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Said you would skip on a MAF, are you not using a MAF or what, if so how?
thanks
The Megasquirt replaces your stock ecu. It does not require a MAF as it has a built in MAP sensor. They sell a plug and play kit that literally plugs into your factory harness. You have to run a couple of wires to your wideband and a small vac line from the unit to a vac source on your engine. It comes with a base tune for a 5.0 mustang. You have do a little reading to figure out how to set up all the parameters for your car and it will take a little while to get the tune right but in the end you'll be happy you did it.

I paid a little extra to get the 2 step and boost control function included. I havent hooked up the 2 step yet but the boost control feature is awsome.

92 Hatch On3 Turbo, T56
92 Vert 349 Lunati Stroker T5
87 Gt Eddy HCI T5
87 Notch in progress
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post #10 of 24 Old 07-22-2011, 08:50 PM Thread Starter
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The Megasquirt replaces your stock ecu. It does not require a MAF as it has a built in MAP sensor. They sell a plug and play kit that literally plugs into your factory harness. You have to run a couple of wires to your wideband and a small vac line from the unit to a vac source on your engine. It comes with a base tune for a 5.0 mustang. You have do a little reading to figure out how to set up all the parameters for your car and it will take a little while to get the tune right but in the end you'll be happy you did it.

I paid a little extra to get the 2 step and boost control function included. I havent hooked up the 2 step yet but the boost control feature is awsome.
I see, whats a setup like that cost? with out having to buy a MAF that saves 300 rite there


Current: 04 Gt, sonic blue, 3.73s, 2.5" custom o/r exhaust, diablo tune, cai.

Sold: 90lx, stock short block & cam, TFS 170's, 1.72rr, typhoon intake, on3 kit 70mm, AOD, 4.10 gear, cobra 39s, C&L maf, stock tune, 11psi boost
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post #11 of 24 Old 07-22-2011, 09:04 PM
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fighting mine now same combo as yours trying to tune it myself. Ill post here if I figure it out. FYI driveability untuned is absolutely perfect with my stock cam, its boosting in taller gears I cant get right
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post #12 of 24 Old 07-22-2011, 10:41 PM Thread Starter
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fighting mine now same combo as yours trying to tune it myself. Ill post here if I figure it out. FYI driveability untuned is absolutely perfect with my stock cam, its boosting in taller gears I cant get right
Whats your complete combo and fuel system? injectors, pump, maf etc?

Timing locked? just wondering where youre at as far as self tuning.

Is it leaning out in high rpms in the taller gears?

Current: 04 Gt, sonic blue, 3.73s, 2.5" custom o/r exhaust, diablo tune, cai.

Sold: 90lx, stock short block & cam, TFS 170's, 1.72rr, typhoon intake, on3 kit 70mm, AOD, 4.10 gear, cobra 39s, C&L maf, stock tune, 11psi boost
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post #13 of 24 Old 07-22-2011, 11:25 PM Thread Starter
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The Megasquirt replaces your stock ecu. It does not require a MAF as it has a built in MAP sensor. They sell a plug and play kit that literally plugs into your factory harness. You have to run a couple of wires to your wideband and a small vac line from the unit to a vac source on your engine. It comes with a base tune for a 5.0 mustang. You have do a little reading to figure out how to set up all the parameters for your car and it will take a little while to get the tune right but in the end you'll be happy you did it.

I paid a little extra to get the 2 step and boost control function included. I havent hooked up the 2 step yet but the boost control feature is awsome.
I did a little reading on the mega squirt, does it require a lap top to make the changes?

Current: 04 Gt, sonic blue, 3.73s, 2.5" custom o/r exhaust, diablo tune, cai.

Sold: 90lx, stock short block & cam, TFS 170's, 1.72rr, typhoon intake, on3 kit 70mm, AOD, 4.10 gear, cobra 39s, C&L maf, stock tune, 11psi boost
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post #14 of 24 Old 07-23-2011, 12:26 AM
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Get a quarterhorse (Chris @ PMS) Use a laptop and tune it your self. Or have chris write you a base tune and email it to you. That's what I did.

Forged 383CI - Turbonetics 78mm 3.5" DP - Stage III TFS - E-303 1.7RR - T56 - Mcleod RST Twin
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post #15 of 24 Old 07-23-2011, 12:40 AM
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Originally Posted by gator72007 View Post
Whats your complete combo and fuel system? injectors, pump, maf etc?

Timing locked? just wondering where youre at as far as self tuning.

Is it leaning out in high rpms in the taller gears?
same as yours... tf170s on3 70mm 42s, maf from on3 that goes in the bung welded on the cold side pipe before the tb, adjustable fpr, 255 walbro

timing locked, car ran like crap. Gutless out of boost, was annoying so set it back to back to 8 base and put the spout in

leaning out, nope. Not according to wideband anyways, just lacking power. Put in a new 3g alt today, gona put in a stupid msd box sometime hopefully this weekend and see if that helps
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post #16 of 24 Old 07-28-2011, 08:47 PM
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I did a little reading on the mega squirt, does it require a lap top to make the changes?
Yes.

92 Hatch On3 Turbo, T56
92 Vert 349 Lunati Stroker T5
87 Gt Eddy HCI T5
87 Notch in progress
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post #17 of 24 Old 07-28-2011, 08:49 PM
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same as yours... tf170s on3 70mm 42s, maf from on3 that goes in the bung welded on the cold side pipe before the tb, adjustable fpr, 255 walbro

timing locked, car ran like crap. Gutless out of boost, was annoying so set it back to back to 8 base and put the spout in

leaning out, nope. Not according to wideband anyways, just lacking power. Put in a new 3g alt today, gona put in a stupid msd box sometime hopefully this weekend and see if that helps
I don't think the MSD will make any difference unless you are getting spark blowout at higher rpms/boost.

If you don't want to get a stand alone or pay for a tune perhaps a used BTM might do the trick? It will allow you to pull timing per pound of boost.

92 Hatch On3 Turbo, T56
92 Vert 349 Lunati Stroker T5
87 Gt Eddy HCI T5
87 Notch in progress
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post #18 of 24 Old 07-28-2011, 08:54 PM
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I see, whats a setup like that cost? with out having to buy a MAF that saves 300 rite there
Plug n play MS for 86-93 mustang $560

Boost controller mod $25.50

Boost controller solenoid $39

LCI Wideband and gauge $209

Matt & Jerry's book $16

T Shirt $16 (optional)

Shipping tax etc....Total came to $899.75

Sold my maf and ecu and sct chip for for $400

Out of pocket $499.75 which is less than you'll pay for a 1 tune....

92 Hatch On3 Turbo, T56
92 Vert 349 Lunati Stroker T5
87 Gt Eddy HCI T5
87 Notch in progress
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post #19 of 24 Old 07-28-2011, 09:50 PM
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been doing it for 6 months now havent had a problem, ofcourse it was my daily driver so i was easy on it. but go for it.

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post #20 of 24 Old 07-29-2011, 02:34 AM
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been doing it for 6 months now havent had a problem, ofcourse it was my daily driver so i was easy on it. but go for it.
Give us the details on the combo and how you have tuned it.

92 Hatch On3 Turbo, T56
92 Vert 349 Lunati Stroker T5
87 Gt Eddy HCI T5
87 Notch in progress
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post #21 of 24 Old 07-29-2011, 05:12 PM
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stock block and heads( home ported by me lol) e303 cam cobra intake 75 mm tb 70 mm mass air with stock sensor stock 19# injectors alum rad u/d pullys deleted smog pump msd 6al2 and streetfire coil msd wires and aem a/f gauge. the car was my daily driver drove it for 6 years in highschool and part of college. put the kit on in 2 days on a weekend so i could have it for work and school. no tuning except backing the timing down to 10 degrees and buyng a boost reference reg and putting 91 octone at the pump. hit 6 to 8 pounds with out a problem.

now i have 30# injectors and 76mm mass air. i know theres people saying dont even drive the car with out a tune, but the computer knows what to do with 6# of boost after that not so much lol.

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Last edited by breakdown; 07-29-2011 at 05:15 PM.
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post #22 of 24 Old 08-03-2011, 01:55 AM
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breakdown you are gonna have one helluva cool coffee table here before too long. Tune that thing lol!

I'm not a magazine racer, my car is actually fast.
I also have a Honda civic but, mine has a bigger, uglier driver.
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post #23 of 24 Old 08-03-2011, 08:02 AM
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If you get megasquirt I have a turbo tune for 42lb injectors that will get you runnin and driving

NY
92 Red Notch 5spd w/ B&G Kit Powered by MS2 V3 running Extra Code-----SOLD!
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post #24 of 24 Old 08-03-2011, 10:24 PM
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Lol yea I know. Waiting on 42 # and matching maf before tune. I know people who have been doing it for years and haven't had a problem. Not saying that everyone should do it or it's safe.

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