Fox Turbo Build On3 70MM standard kit

[Gear Slammer]

Can you post a pic? I'm not following

Will add photos when I'm home later.

[Gear Slammer]

Here's a couple drivers side views completed. The silicone coupler that I had to get an extended piece connects the cold side that comes across from turbo to drivers side 180 bend.

[Gear Slammer]

here's a passenger side view from below.

[Gear Slammer]

I also needed an extended coupler to reach after the weld on MAF flange up through the inner fender to intake.

[Gear Slammer]

Update time!!

After 5K miles of boosted fun last summer the On3 wastegate was leaking. Replaced with the Precision Turbo unit. Opted to put in the 7.5lb spring to up the boost from the 6-7psi I was running last year. Then noticed boost wasn't coming in like it used to....throttle response felt spongy. Also at idle and rolling from vacuum into boost I would get a slight open exhaust sound. Started looking into it more and decided it must be the blow off valve spring wasn't strong enough to keep it fully seated/sealed when vacuum was present. Replaced with a Tial unit.

Just got it back from APS. Once again Todd did an awesome job with the tune. Car flat out goes! Engine is happy and smooth as butter.

Now @ 11 psi.....and 9,400 miles on setup....

[Fernanernie]

Update time!!

[ATTACH=CONFIG]24130[/ATTACH]

Update your sig then, fgt

[blown 87gt]

506 whp on a stock block? Yikes

[Meegs]

506 whp on a stock block? Yikes

Why yikes?
I went 450rwhp @ 9psi.
I'm 17.2psi now and well over 600. Haven't dyno'd it but it was making 40hp per pound. So I'm positive I'm over 600.
I've personally blown up multiple blower & nitrous cars before 600. But turbo cars seem to live easier. Hell im dropping 17psi off the trans brake from a dead stop on 315 tires! I can't blow up this stock block and I'm trying my damnedest!
I'm also running a massive fuel system for my application with coil on plug ignition.

No fuel issues & accurate timing, these stock blocks can make some steam.
2 years of punishment, and the motor is still fine.

[Meegs]

Update time!!

After 5K miles

Now @ 11 psi.....and 9,400 miles on setup....

Needs more boost!!

[Gear Slammer]

Needs more boost!!

I think this will do it for me on this combo. I didn't realize I was 11 psi. My Autometer vacuum/boost gauge reads 1-2 psi lower than actual.

For the street we fattened the fuel ratio a little, so I drop aprox. 20 rwhp from this number, but gives me a little more cushion. I've also installed an exhaust cutout for when I want to be loud and have fun . On the dyno that netted basically 25rwhp/20rwtq when open, and boost hits hard when open. Motor is super smooth and happy. We didn't tune for numbers, just whatever the motor wanted to do on the combo. The motor is in it's happy place, me too

[Meegs]

I think this will do it for me on this combo.

Last year I thought 11psi would do it for me also
But more is better!!

I pulled the entire kit off and ceramic coated it. Sort of helped? But not really sure or not.
Ended up doing a full Heatshield Products treatment, and that absolutely made a significant change.
That U bend for the cold side on the driver side where the BOV is I took off and cut 1.5" out of it to pull it away from the crossover. I saw my IAT's drop plus it helped fit the A/c better.

Glad you're happy! But these cars are never done lol.
I'll be doing a full wire tuck this winter with another turbo upgrade. Probably have the billet precision 7675 for sale so you can turn the boost up hi next year!!!

[blown 87gt]

I've seen blocks split open like a tuna can at those power levels, but I suppose those were blower cars, and they tend to be a little harder on stuff than turbos.