On3 Fox turbo kit ? - Ford Mustang Forums : Corral.net Mustang Forum
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post #1 of 25 Old 02-03-2019, 08:48 PM Thread Starter
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On3 Fox turbo kit ?

Been researching the on3 Foxbody kit and I am seeing conflicting info on weather the front sway bar is retained, or if it must be removed/deleted.
Looking for real confirmation (pictures) if it can be retained. This is for a street car and the front sway bar is a deal breaker for whatever kit I end up getting.


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post #2 of 25 Old 02-03-2019, 09:05 PM
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It can be retained. Last kit I installed was on a 1993 Cobra. I modified some of the hot side piping, but it was more because I was picky than anything.


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post #3 of 25 Old 02-03-2019, 09:14 PM Thread Starter
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Originally Posted by Svt 2224 View Post
It can be retained. Last kit I installed was on a 1993 Cobra. I modified some of the hot side piping, but it was more because I was picky than anything.
IS it retained in stock form? Or does it need any special or modified brackets or mounts?

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post #4 of 25 Old 02-04-2019, 08:30 AM
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I did not have to remove or change anything with the sway bar.

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post #5 of 25 Old 02-04-2019, 10:59 AM Thread Starter
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Awesome, thanks for the info.

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post #6 of 25 Old 02-05-2019, 09:55 PM
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Installed a kit on mine last year no modifications needed

1992 black notchback... 347 boss block, afr 185 renegade, 80lb injectors, edelbrock rpm II, on3 7675, tko 500, 3.55 gears
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post #7 of 25 Old 02-07-2019, 02:56 PM
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Subscribing. I might try an On3 or CX Racing kit.

'88 5.0 GT hatch AOD 3.08
stock 302, Ed Curtis cam & 11R 190 heads,
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post #8 of 25 Old 03-18-2019, 08:31 PM Thread Starter
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Watched a few On3 install videos on YouTube, and most of them had the swaybar still on the car. Looks like you just need to load the suspension during the install, other wise the crossover pipe hits the swaybar.

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post #9 of 25 Old 03-20-2019, 11:50 PM
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Subscribing. I might try an On3 or CX Racing kit.
I’m debating between these two kits as well! Have you learned anything to help you decide one over the other?
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post #10 of 25 Old 03-21-2019, 09:32 AM
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House of Dula on YouTube purchased an On3 kit and is installing it on his '86 GT. Of course, one of the first things he points out and he's correct, it costs more than just the $1600 amount for the kit. Once you add in all of the other parts you're going to need, you're in the $4000 range. I know I'm going to want more power. The stock 302 is limited power wise. I'm trying to stay a few steps ahead. I'm not sure if I want to do a 351w based engine or a mod motor.


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post #11 of 25 Old 03-21-2019, 10:53 PM
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Originally Posted by Nitrous Al View Post
House of Dula on YouTube purchased an On3 kit and is installing it on his '86 GT. Of course, one of the first things he points out and he's correct, it costs more than just the $1600 amount for the kit. Once you add in all of the other parts you're going to need, you're in the $4000 range. I know I'm going to want more power. The stock 302 is limited power wise. I'm trying to stay a few steps ahead. I'm not sure if I want to do a 351w based engine or a mod motor.
What all accounts for the extra $2400 of needed parts to make the On3 kit work???
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post #12 of 25 Old 03-22-2019, 07:35 AM
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You donít need a lot of extra parts. Buy some exhaust wrap, (eBay stuff works fine) turbo blanket (eBay) maybe a new mass air meter, you can use a short Wix oil filter or ford 910 or buy the ford racing 90 degree adapter. Thatís really it. The Y pipe if you want to hook up your exhaust. So all in all Iíd figure :
179$ for the Y pipe
75$ for heat blanket and wrap
10$ oil filter


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post #13 of 25 Old 03-22-2019, 08:13 AM
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Well I think he means just other supporting mods. Injectors, fuel pump, I did rails and lines with mine too, tune and chip or like I did a MegaSquirt, clutch for the power depending on how good yours is. I just did this whole thing last year and there are a lot of little things that add up you never think about depending how crazy you want to get.

One of my friends told me take the cost of the kit and double it and thatís around what you will spend. It was pretty close and I did everything except the tune

1992 black notchback... 347 boss block, afr 185 renegade, 80lb injectors, edelbrock rpm II, on3 7675, tko 500, 3.55 gears
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post #14 of 25 Old 03-22-2019, 08:21 AM
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Yea your right. But the problem is you have that expense whether itís a On3 turbo kit or a used Vortech kit, those are the expenses with any power adder not just a turbo kit. I guess I misunderstood the OP question


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post #15 of 25 Old 03-22-2019, 08:42 AM
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those expenses can be trimmed with lots of effort though as well. I got my on3 kit for $400 minus turbo, added a higher quality $500 turbo, then bought good injectors used, megasquirt for tuning, ebay exhaust wrap, free blanket with turbo, new wally 450, sold used parts, etc. all in all I have very little money in my setup but LOTS of effort and time.
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post #16 of 25 Old 03-22-2019, 11:58 AM
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I did the same thing sold things and bought things used as well. The problem is having patients. Not everyone wants to wait 2 weeks for a part to sell or wait untill you find the injectors you want show up somewhere. If it is a project and there is time for all of that great. I started my project the beginning of winter so I had nothing but time to get deals and sell parts. We are coming up on spring now people are gunna want to be in the car and not just working on them.

I went with a cheap power adder ďon3 kitĒ but everything else around it all supporting mods will be good for a lot more then the on3 can handle. Thatís the reason I ended up with an on3, I spent lots of money getting a good foundation to put it on but then only had money left for a cheaper kit haha

1992 black notchback... 347 boss block, afr 185 renegade, 80lb injectors, edelbrock rpm II, on3 7675, tko 500, 3.55 gears
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post #17 of 25 Old 03-22-2019, 02:45 PM
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That's understandable. I guess I'm lucky that Houston is an area with a massive car scene so used performance parts are easy to come by, especially for common builds like turbo foxes. I also enjoy the thrill of getting a good deal. lol My on3 kit was BNIB minus turbo for $400. Probably never see a deal like that again.
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post #18 of 25 Old 03-22-2019, 03:48 PM
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I bought mine used On3 complete for 1100$. Then I bought a used 3Ē blow through meter to replace my 80mm pro m. I sold my S trim setup and still had $$ left over because Iím still using the injectors and fuel pump Fromm that setup. I couldnít afford to play this game if it all was brand new stuff. This website and eBay helps a lot with parts. For me itís part of the fun.


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post #19 of 25 Old 03-23-2019, 06:09 AM
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It's funny, everytime I start to believe that I for sure want to go the turbo route on my '89, I find something else that will need to be done or changed to optimize the setup.

Example, I have 3.73 gears and a Flowmaster catback. I would want to put my stock 3.08s back in and get some Dynomax ultra flo mufflers before the install so as these can effect the tune that I would be working on (Microsquirt) once the turbo is in. I will already be dealing with the learning curve of tuning so I would want these thinigs done ahead of time.

I also might want to get the headers ceramic coated ($250-$300) for heat protection since they are a bigger PIA to remove and rewrap when the heat wrap gets bad. I'll also need to jack the motor up again to remove my long tubes during the install.

Then I start to reconsider if all this will be worth the upside of having the turbo.

Ryan O.

'89 GT Vert
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post #20 of 25 Old 03-23-2019, 08:59 AM
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All the inconveniences of installing a turbo are worth it imo.

I wouldn't wrap the headers. They can crack. Ceramic coating is a good idea though.
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post #21 of 25 Old 03-23-2019, 09:04 AM
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Quote:
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It's funny, everytime I start to believe that I for sure want to go the turbo route on my '89, I find something else that will need to be done or changed to optimize the setup.



Example, I have 3.73 gears and a Flowmaster catback. I would want to put my stock 3.08s back in and get some Dynomax ultra flo mufflers before the install so as these can effect the tune that I would be working on (Microsquirt) once the turbo is in. I will already be dealing with the learning curve of tuning so I would want these thinigs done ahead of time.



I also might want to get the headers ceramic coated ($250-$300) for heat protection since they are a bigger PIA to remove and rewrap when the heat wrap gets bad. I'll also need to jack the motor up again to remove my long tubes during the install.



Then I start to reconsider if all this will be worth the upside of having the turbo.


I would not change back to 3.08. Iíd leave the 3.73 in there. It will be more fun to drive for sure. As far as flowmasters, that would be ok to change out. I think they sound great but they are not the master of flow they claim to be


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post #22 of 25 Old 03-23-2019, 09:52 AM
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I would not change back to 3.08. I’d leave the 3.73 in there. It will be more fun to drive for sure. As far as flowmasters, that would be ok to change out. I think they sound great but they are not the master of flow they claim to be


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Everything that I've read before said that 3.73s on a T5 with a turbo makes it tough to build boost in 1st and 2nd gears and your shifting so fast that you can't really maximize the benefits of the turbo. I only mentioned the 3.08s cause I still have them laying around in the garage. 3.27s seem to be the favorite for most.

Maybe I should reconsider staying with my 3.73s since I do have a heavy convertible and would stay with the stock heads for now.

Ryan O.

'89 GT Vert
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post #23 of 25 Old 03-23-2019, 09:00 PM
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You may be on to something. I have 3.55 in mine and I love it. Iíve had them when the car was NA , blower and with the turbo. I can say this, with the blower it would BLOW the tires off 1,2 but with the turbo it actually grips and goes instead of just spinning. More fun in my option. It just changed the power curve. I havenít had it to the track yet for any times so I donít know if itís any faster or slower. I wouldnít stress about the gear change just yet. Get the turbo in and dialed in. Then sweat the gears.

Stock bottom end, gt40x, Ported GT40 tubular, On3 turbo, TKO, 5 lug, 4 wheel disc, etc
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post #24 of 25 Old 03-24-2019, 12:09 AM
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I bought a used set of 3.27's locally. Dude man probably did a gear swap and just wanted to off them. I installed them and they are great on the street. I chose a cam that would work good down low; not to long in duration because you don't need it with Turbos unless you're going all out.

I skip gears in town; 1 to 3 to 5. The car is really quiet as far as a V8 with straight mufflers goes and I think everyone thinks the car is a turd until I get in it and the wastegates open up and the fury is revealed..

70mph is 2000rpms on stock sized tires. I cruise in 4th at 24mph which is about 1000rpms... So yeah, I wanted a level of streetability for sure since city streets aren't a race track. The boost will leg a taller gear.

1st and 2nd will be useless over the 500hp level so a short gear will definitely shred the tires and it gets old quick when you're not hooking up. Spinnin' ain't winnin'..YMMV.
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post #25 of 25 Old 03-25-2019, 11:30 AM
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