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3.7 Forced induction

zackmd1

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I thought about that too but its custom as heck and u make the turbos pretty worthless to someone else once you start hacking the housings. I thought a rotated coupling flange would be a good "kit" compromise. Couple of metal adapters and bam...really need need measurements though.
The idea should not require any modifications to the stock turbine housing. That ball and socket flange is bolted to the turbine housing with the exhaust studs. Basically my idea is making custom downpipes that bolt directly to the turbine housing instead of an adapter between the housing and pipe. That should provide clearance while doing the same job as those adapters from SPD performance are doing with reducing back pressure in the turbine.
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zackmd1

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The only custom part would be having that flange cut to match the turbine housing.
 

USMCtoARMY

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The only custom part would be having that flange cut to match the turbine housing.

Hmmm. I see. I feel i need to better visualize this because I'm not sure how much room that alone opens up but I'm see what your putting down.
 

zackmd1

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Hmmm. I see. I feel i need to better visualize this because I'm not sure how much room that alone opens up but I'm see what your putting down.
Ever thought of using transverse 3.5 turbos (I believe only one of the two turbos will work, the one with the charge outlet pointing forward) and mounting them after a set of shorty headers where the cats are? Likely would need a scavenge pump but that solves the issue of no oil drain plugs in the stock pan. Would also help increase spool time so you could likely get more linear boost across the RPM band instead of all at once and then falling off at the top. You are essentially replicating aftermarket turbo kits with OEM turbos.
 

zackmd1

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2 of these right where the cats were.

https://www.ebay.com/itm/FORD-OEM-T...=item4d3dc31903:g:GwMAAOSw0j9ZSDu8:rk:30:pf:0

Would be way more of a custom setup but it would solve a few issues. First, would allow for a much more free flowing setup. The turbo housing design itself looks to be much more efficient than the F150 turbos. It would also allow for a full 3" exhaust after the turbos (could get GT Long tube header mid pipes and modify them to interface with the turbos). A scavenge pump would likely be required but that would eliminate the need to modify the oil pan (which is not an easy task requiring lowering the subframe to replace the pan with one pre-drilled for oil return). A custom downpipe between shorty headers would be required to interface the turbo. That would be the most custom part I think compared to a normal 3.5 turbo setup. (of course custom charge pipes would be required as well).
 

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Can't you use the transverse turbos with the taurus headers?
 

USMCtoARMY

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Well you could also rear mount too, but now with this idea we are talking r&d and more investment and at that point starting too replicate the twin turbo setup from auto mafia. The turbo in that link too doesn't solve the issue of back pressure flow and essentially makes the issue worse...its a smaller turbo (from the tarus) that isnt more efficient than the stockers that come with f150 and more expensive it seems to boot. The stock 3.5 ecoboost setup isnt bad. It's the issue with pump gas numbers that has most in a tiff. I drove this system and guys it was a blast on the street and just flew. Yeah I noticed in upper RPM it fell flat, but not any different than the car already feels in the upper rpm bands. I really think the way to solve this by looking at the fixes applied by the 3.5 folks. Which is better drop in turbos (a cheaper fix is turbo rebuild with later Gen parts) and ported or new custom manifolds (intakes and exhaust). For us the other hinge point is the downpipe flow cause of the spacing problems. For a budget baller, and if this kit is installed and tuned appropriately, this is a great option for some street fun.

Now what I am really interested in is if anyone will actually complete an m90 build but honestly I just think that wont be worth the pain of making so many custom parts for....
 
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USMCtoARMY

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Can't you use the transverse turbos with the taurus headers?
Those wont fit correctly. Its a transverse setup in the SHO.
 
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zackmd1

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So they are smaller? Interesting.... Hard to tell from pictures. Figured they would be the same size but just a different configuration.
 

zackmd1

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zackmd1

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Now what I am really interested in is if anyone will actually complete an m90 build but honestly I just think that wont be worth the pain of making so many custom parts for....
Really the only custom part to make is an adapter between the supercharger and lower intake. A transverse lower intake eliminates the water neck up front, clearing the front of the engine for idler pulleys. The coolant return/thermostat housing would need to be relocated but that's not difficult with parts available online.

The biggest issue is going to be hood clearance.... With the size of the M90 and a hard lower limit (stock fuel rail height) I don't think it is possible to fit under the stock hood without modifications.

A sprintex 335 would be an excellent fit for a kit like this as it is smaller in height and would not require an intercooler. Problem is they are expensive!
 

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Cut the hood open and put a scoop on it, makes the scoop more functional at least :p
 

zackmd1

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Cut the hood open and put a scoop on it, makes the scoop more functional at least :p
Haha if anything I'll likely get the trufiber A72 hood. That should have enough clearance for the M90.
 

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Haha if anything I'll likely get the trufiber A72 hood. That should have enough clearance for the M90.
The guy who was working on the m90 used a hood mount scoop that was real small in height and allowed it to be mounted when he cut the hood under it out. It looked good too.
 

zackmd1

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Yea that's always an option. I just have a thing against cutting a hole in a perfectly good hood. Lol
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