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On 3 Performance LS1 swapped Foxbody Kit / Build

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Old 04-25-2014, 12:53 PM
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Originally Posted by L92 fox
The kit looks awesome, but how is the plug wire clearance with the downpipe?
Its not bad on the driver side. I recommend getting wires with angles plug boot ends.

The passenger side on the other hand is tight. I thought I could get away with 90 degree boot ends but it was a negative. I just got 115 degree boot ends that hopefully have enough kick out and some Summit racing insulated wire sleeve for protection. Hopefully this weekend I'll have time to fab them up.
Old 04-25-2014, 01:02 PM
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Originally Posted by On 3 Performance
I moved the coils up slightly on the valve cover to make the angles a little better and avoid the downpipe. If it was my car, I would put all 8 coils on the firewall, I think that looks cool and keeps them out of the way. Then just make up a plug wire set. Not required but just what I would do if I was building an ls swapped fox
I wanted to put the 4 coils by the motor mounts but the primary from the back cylinder that runs underneath the others to the front don't let it happen.

I wonder if a log style manifold for that side would be better...
Old 04-25-2014, 10:19 PM
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Damn wish this was a t6 flange kit
Old 04-26-2014, 06:08 PM
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Originally Posted by darrellk
Damn wish this was a t6 flange kit
For the price of this kit, I don't think it would be much to have the flange swapped out by a local shop that welds stainless.

Just a thought
Old 04-30-2014, 02:12 PM
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Originally Posted by JGcoupe
I wanted to put the 4 coils by the motor mounts but the primary from the back cylinder that runs underneath the others to the front don't let it happen.

I wonder if a log style manifold for that side would be better...
If there is room, I really prefer to stick with a tubular header. I think in this case, I would like the tubular header and just do a few custom 90 degree plug wires to clear everything over a log manifold. I have a connection to do plug wires, it just depends on how sales go. We may consider doing a mass production of wires if we can keep the interest up on these
Old 05-01-2014, 02:22 PM
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Originally Posted by On 3 Performance
If there is room, I really prefer to stick with a tubular header. I think in this case, I would like the tubular header and just do a few custom 90 degree plug wires to clear everything over a log manifold. I have a connection to do plug wires, it just depends on how sales go. We may consider doing a mass production of wires if we can keep the interest up on these
I tried the 90 degree (MSD) plug ends and they would hit up against the block/head. I tried the 115 degree ends and they work much better...check it out


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Last edited by JGcoupe; 05-12-2014 at 08:38 PM.
Old 05-01-2014, 04:20 PM
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On my truck I ran a few under the header and then looped them at the front by the wastegate tube and then came back across the top. I dont know if something like that might help but sure works well on the truck wires
Old 05-28-2014, 05:10 PM
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Any new builds or any news recently?
Old 06-01-2014, 09:44 AM
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saw it on the corral, dont see price or on your website for a Mustang, any info and is it available. thanks
Old 06-01-2014, 09:28 PM
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Originally Posted by On 3 Performance
Any new builds or any news recently?
I got the intercooler and piping bolted up on my 96. I needed a 180 pipe with 3" leg on one side and a 6" on the other. It gave the clearance needed for the lower rad hose and wastegate dump tube. And I redid the lower half of the radiator support with square tubing.

Still need a bunch of stuff but the funds and time are not in my favor or I would have had a build thread already.
Old 06-02-2014, 06:49 AM
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i just bought the complete kit from a guy in texas, he gave me a really good deal. going on a 370 with either cathedral port 317 heads or l92 heads havent decided yet and will be backed by a th350. as soon as i start putting it in the coupe i will show pics updates and any snags i run into. looks to be a really nice kit for the money. i will upgrade the turbo,wg and bov in the future but it is a really nice start. and i would assume i should have no prob seeing 600+ whp but we will see
Old 06-02-2014, 06:51 AM
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i do have a question about the exhaust pipe. i am assumng i will have to get a vband looks like 4in pipe to connect under the car to the supplied pipe? for exhaust i mean
Old 06-02-2014, 11:12 AM
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Originally Posted by matt93lsx
i do have a question about the exhaust pipe. i am assumng i will have to get a vband looks like 4in pipe to connect under the car to the supplied pipe? for exhaust i mean
im thinking of 2 ways...1. get a 3.5" flange and have a custom exhaust done or 2. cut the flange off and have it slip over the down pipe and clamp it.
Old 06-04-2014, 04:04 PM
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The downpipe is 3.5" so you can do what jgcoupe mentioned. Either pick up a 3.5" flange and build something back from there if you desire. We have a majority of guys just running open downpipe.
Old 06-09-2014, 08:47 PM
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price?
Old 06-11-2014, 11:36 AM
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The On3 fox LSX swapped turbo system $1750
Old 06-13-2014, 06:23 PM
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So no one has any numbers yet?
Old 06-13-2014, 06:30 PM
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Hmm, I need this in my life.
Old 06-20-2014, 10:40 AM
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We have a few customers on low boost and the 70 that are in 500 range that followed back up. At this point I have not had any feedback from customers doing 76mm+ turbo combos. Its not going to be any different than any other of our gm kits. The 76 pushed to its limits is going to be around 700 wheel and then our new 78/75 is going to be 700+. If your going 900-1000, your going to need our new On 3 88mm which is going to require the downpipe vband to be modified and welded up with a new flange.

I just had a customer on a stock block and running our 76's on a twin setup just make shy of 1000 wheel.
Old 06-26-2014, 08:52 PM
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What's the mods to make it fit a 2000 gt? Aje k member. Stock radiator. I am interested but not trying to drop the money and have to mod a bunch when I could make my own. I'm a local guy on3 I talked to you guys before. I would love to try and help get the bugs fixed up for the new edge guys. It can't be a whole lot different I wouldn't think


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