6 bolt swap back to a 7 bolt questions

[j_biggz]

I know there is going to be some head scratching but the long story short is that my stroker 6 bot is pretty much destroyed accept the block and so far I am 3800 on my paper build. I have a close friend with built 7 bolt complete gst save his failing tranny. I can pick his car up for a friend price and I know whats gone into it. So I am planning on taking his running tuned 380 hp motor and dropping it into my talon. I would have loved to rebuild the 6 bolt but its going to cost more than I can afford for the moment. The gst also has a lot of parts I plan to part out after I'm done taking what I want from it and plan on selling the roller on here or craigslist. So I can make some of my money back if its possible. So my question is I know its wired up for a 6 bolt and I bought it like that. I can use the 1 g cas cant I that is already wired up or am I better off putting it back to stock? Another thing I wanted to know about is wither or not I can use his clutch and flywheel with my awd setup. To my knowledge it should all be the stock trans and drivetrain. I'm pretty set on doing the swap back and any info or oversights on my part pointed out would be greatly appreciated.

 

[synthetek]

You can use the clutch but not the flywheel, you need a 7 bolt AWD flywheel. You can use the 1 CAS with the 7bolt too.

 

[j_biggz]

Guess Ill have a fwd act lightweight flywheel for sale. So everything else should just wire up normal?

 

[ed1380]

Just letting you know a 380hp motor is a stock motor. A rebuild costs alot only if you decide to buy new everything.

But if you plan on going back to 7 bolt you can keep the 1g cas and the clutch and pressure plate.

 

[j_biggz]

Its had a complete rebuild with an Evo 8 crank and forged internals. Arp everything and has a good tune so not too much abuse. With everything I'm getting its a good deal. I could drop my tranny in a it would be perfectly drive-able but I want to keep my awd

 

[synthetek]

So everything else should just wire up normal?

Yes, you just wont need to connect the crank angle sensor on the 7 bolt beacuse the 1g CAS will supply both the cam/crank signals.

 

[j_biggz]

Awesome then my talon will be back very soon. Looking forward to my rebuilt green and some bigger injectors! Any one know if a 1g intake mani will fit a 2g head? I have a forrester intake mani on my 6 bolt

 

[synthetek]

Any one know if a 1g intake mani will fit a 2g head? I have a forrester intake mani on my 6 bolt

It will bolt up but the intake ports on the 2g head are smaller so the runners wont match up.

 

[j_biggz]

It will bolt up but the intake ports on the 2g head are smaller so the runners wont match up.

So I'm better off just using the stock 2g intake until I can get a sim from magnus

 

[Pauls99Gst]

or if you really wanna put the work into it you can port the runners on the 2g to match your forrester.

 

[j_biggz]

or if you really wanna put the work into it you can port the runners on the 2g to match your forrester.

How much port work are we talking?

 

[ed1380]

about 3/8"

You can bolt it up without a hitch, but you'll need to use a 1g intake manifold gasket

Red=stock 2g
Red+blue= stock 1g or ported 2g head

 

[Pauls99Gst]

google images 2g vs 1g head. you would just need to port downward. quite a bit yull see, my 2g head ports are very close to a 1g but not all the way there.

you really dont need to port so much of the inside just some and then port the ridge of it to match the 1g gasket so the air just has to flow up some then will go to the original size