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Thanks for the replies on the gearbox and S2 throttle body.

931's aren't exactly setting the classic car market ablaze, but my main hesitation with keeping the G31 (besides difficulty of sourcing p ...

Hey y'all,

I've had my 80 931 for 15 years now, and the vast majority of that time its been in storage. I am finally getting around to sorting the car out mechanically.

The car always ran ok fo ...

Sorry, my typo. 15x7 and 15x6 - I've updated the OP

I've got a set of four 15x6 Cookies and four 15x7 Cookies. Im looking to add a staggered set to my 80 931.

What is the recommended tire size for this setup? I like the look of a little fatter sid ...

Thanks for the response Nein! I appreciate your patience as I clearly don't know a lot about diagnosing my own problems : )

By "working on the starter" do you just mean giving it a few s ...

Hi guys,

For the past 7 months or so I had been driving my 931 around on and off and dealing with the starting issues I've illustrated in another thread (http://www.924board.org/viewtopic.php?t=354 ...

Thanks for the response dpw. Some more bakground info:

The car has been sitting for probably 3 years. Its been started and driven maybe once or twice a year.

In the last month I purchased a ...

Did some more tinkering today. Yesterday while working on the car I noticed that the belts that keep the airbox clamped down had broken off, so I zip tied the box real tight.

Thinking that the air ...

Yesterday my 931 received some tune-up items. New plugs/wires/fuel filter/oil change/cap/rotor.

The first start was really rough for a second or two and then the car sputters and dies.

Second s ...

After doing a bunch of reading, it looks like 215s should fit on 16x8's without much of a fuss. Im just wondering if that will help with the fitment up front. I can get the Dunlop Direzza's in 215/5 ...

Thanks for the reply! Would it make any sense to try and stretch a 205/215 on the front for better fit? Or maybe a lower profile tire? I dont know a lot about tire geometry, so not sure how that wou ...

I apologize for making this also a suspension thread, but Im new to the game, and not the best wrench. I found these:

Ground Control:
http://www.ground-control-store.com/products/description.php/ ...

Awesome, Im going to order it! I'll post pictures of the conversion when Im done. Thanks!

Thanks for the replies guys. I am getting a little confused though. So the rears should fit if I adjust the camber? Do I use the stock spacer from my 80 931?

I am not opposed to getting coilov ...

Yikes, so I am looking at getting 25mm spacer in front and like a 45mm in the rear? In addition to that, the 8in front won't work without suspension modifications?

Looks like I got in over my head ...