Strut to Turbo and Manifold Clearance with Hard Motor Mounts

[p5150]

Im dropping in my GT42 and building a custom FFI and the clearance from the strut to the compressor housing or FFI can be/is pretty small. I need to do some mods .

How much clearance between the side of the turbo/FFI to the struts do you guys think I need?

Keep in mind that I have 88 hard mounts and not the later type.

How much movement/twist side to side have a few of you with gobs of torque seen on the dyno?

 

[MK3Brent]

2J?

 

[p5150]

Yeah, 2JZGE-T, but torque is torque and it will be using 7m mounts. So 7M or 2J advice/experience would be good here.

 

[Tun_x]

here ya go.. I have solid motormounts though

 

[p5150]

Thanks for the pics bro, but I need to know how much the motor is rocking side to side on full throttle pulls - not necessarially how to set it up. My mounts are pretty solid - they are from an 88 so they shift just a bit.... not much.

I also have a slightly different setup than you and i dont want to modify the manifold If I dont have to, and i dont think I will with an extra flange as a spacer....

I would like to know how much movement..... X-man? you have a dyno and a big blower.... how much movement?

 

[IJ.]

On new stock mounts with the pre 89 torque limiter mine moves about 10mm.

 

[p5150]

IJ. - I never heard the motor mounts called a "torque limiter" - I just wanted to make sure we are talking about the same thing.

Would you say that your motor mount setup is the same as mine?

 

[IJ.]

Early Mk3's have a torque limiting shocker bolted to the side of the motor then to the subframe!

I'm just using a new set of 86.5 Square mounts after tearing my 20 year old ones at 500+rwhp! (Torque limiter stopped them ripping right through)

 

[p5150]

OK - I know what you are talking about... Ive seen those before. I think im using the same mounts as you are. We will see how they hold up when I really turn up the GT42.

 

[IJ.]

I'd look at getting the limiter as well if you can find one!

Should be pretty easy to adapt!

 

[p5150]

The limiter is like a little shock/strut right? I saw one but I think it was FUBAR. Im pretty sure I will have to buy a new one if I want to use it. I will check the price on my microfiche.

Right now, im really pressed for space. Do you think Ill be good with 15mm of space between compressor and strut tower?

 

[boostadikt]

i ripped my torque limiter right out and welded my motor mounts solid, my motor barely moves.... if at all with 500hp +
also its an 87

 

[IJ.]

15mm is about as close as I'd go using something as a limiter.

It "shouldn't" move anymore than that but you're going to be putting a lot of power/torque into it!

Pity SF is broken the Mk4 guys would be in a better position to answer this.

 

[jdub]

Early Mk3's have a torque limiting shocker bolted to the side of the motor then to the subframe!

I'm just using a new set of 86.5 Square mounts after tearing my 20 year old ones at 500+rwhp! (Torque limiter stopped them ripping right through)

I've got a limiter and square mounts on my '89...came that way from the factory

 

[IJ.]

Dub: Early 89 build?

 

[jdub]

Yep! The '89 is a bit of a "Frankensupra".

 

[IJ.]

"Suprastein"

 

[Slow66]

Check out how much my old pre-89 mounts allowed the motor to move...lol

http://smg.photobucket.com/albums/v650/Slow66/?action=view&current=me-1.flv

For the new car i have just welded some pre-89s to make them solid.

 

[staticpat]

Wow I always wondered what the shocky thing was. Good to know.

 

[p5150]

Good vid! Looks like around 1 inch? And that was around 500 hp? I suppose there comes a point when the rubber wont compress anymore I wonder if 700 hp would move any more than 500hp.