16x7's on back of 77 911s??

spinner37 · 10-07-2009, 05:56 AM

i did some searching but didn't find something i was confident about. i am looking at some 16 6 and 16 7 fuchs. i want to make sure the 7's will fit on the back before i buy them from out of state. my car is a 77 911s. any body know if these will fit the rear without trouble? thanks in advance!

TRE Cup · TRE Cup's Garage

Well... yes and no

IF your car is at close to stock ride height and you dial in more negative camber on the alignment out back, then you can run a 225/45 x 16 on the 7. The caveat is if you run your car real low, then the shoulder of the tire might rub the inside of the flare shoulder, which will result in paint blisters. But then again not all cars have the exactly the same spec on the body, especially after being out in the real world since '77

We have many clients running 7 x 16's on the back of their "standard" flare cars; some have had the rubbing issue, some not. But the above combo of tire size and rim, with the alignment is a sure thing. Otherwise run 205's all around and you will get away with standard alignment specs

prebordao · 10-07-2009, 07:11 AM

Mine has 16x8 at the back, but with carrera fenders:

spinner37 · 10-07-2009, 08:30 AM

so a 215 55r16 should fit in the back? that is smaller then the 225 45 correct?

Ray_G · Ray_G's Garage

And to add just one thing to this. I just tried this, only I found a set of 16x7's off a Turbo 944. They are different from the 911 wheels. Or at least I know the 944 turbo wheels won't work. Just a heads up when looking for a set.

prebordao · 10-07-2009, 08:46 AM

That's probably due to the offsets being different.

Ray_G · Ray_G's Garage

I would say the offset and the back spacing were different. All I know is that when I was going to put them on for a test fit I did not even jack the car up. It was obvious that they were going to stick out of the wheel wells on my stock 76 just by looking at them.

RoninLB · 10-07-2009, 09:21 AM

I run 7x16x951 Fuchs with 205x55x16 on all 4 corners

no problem

spinner37 · 10-07-2009, 09:30 AM

ok, roninLB, it sounds like a 215 55r16 should fit then too. any pics of your setup?

RoninLB · 10-07-2009, 10:56 AM

Quote:

Originally Posted by TRE Cup

We have many clients running 7 x 16's on the back of their "standard" flare cars; ..... Otherwise run 205's all around and you will get away with standard alignment specs

Quote:

Originally Posted by spinner37

ok, roninLB, it sounds like a 215 55r16 should fit then too. any pics of your setup?

I rolled all flares. The front wells are a problem waiting to happen without rolling imo no matter the height unless it's set up as high as a Mexico rally racer.

My car is dialed in at so called "Euro height" w/almost stock alignment.

I haven't yet been able to push the rear tire up into the well where it'll rub on the fender no matter how much I try to slam it around. Maybe Bilsteins and 27 rear T-bars have prevented that?

this is the only decent rear 951/944 turbo pics I have. I'd offer to take more pics but the car isn't rolling now. Al Reed did the polishing and the wheels were bought from Jason Cullen in Calif

spinner37 · 10-07-2009, 11:07 AM

thanks! as mine is sitting, it "looks" like there is plenty of room in the rear, the front may have to come up a little. here is how mine sits with 205 55r 15's now.....

RoninLB · 10-07-2009, 11:14 AM

I think you may be looking for a problem somewhere w/ 215x55x16 on a 7" Fuch?

at least your speedo reading will drive you nuts

my front fender clearance is pretty tight already w/my 205x55x16 w/ 7" wheels

if you must have 215x55 tires maybe you could experiment with a borrowed set

litning · 10-07-2009, 12:02 PM

The Discount Tire Store Fit Guide on their computer says you can get 215's on the rear but only 205's on the front. I'm looking at doing the same thing since I dropped a 3.2 into my '77 Targa

spinner37 · 10-07-2009, 05:09 PM

ok, i will ponder it some more, i also do not want to make the car slower with bigger wheels and tires, maybe i should look for some 15's or paint the centers of the BBS wheels black. the gold is driving me nuts, i feel stuck in the 80's

darkbeer · 10-07-2009, 06:37 PM

I have just finished my 3.2 into a 75 Targa project & I have stock rear flares (NOT Carrera). I have 16x6 205's front & 16x7 225's in back....I have "rolled" (knew that 'ol bat would come in handy someday) the rear lips & it sits really high & I have B-steins Sports....& I DO rub on a good dip in the road....the 205's are fine up front but the 225's will have to be really decambered to fit under the narrow ass end. I'm running BF Goodrich G-Force tires.....'cause they came with the rims off of an 84 Cab (wreaked). I will probably have to go to 205's x 4 to be able to lower the car at all...or change over to SC flares....($$$$$) Who makes 215 50x16's with a v or z rating ????

TT Oversteer · 10-07-2009, 10:48 PM

I'll throw my .02 in here as I just did this last year. I have a '77 with 16x7's on the rear and 951 16x7's on the front.

I bought the 951 wheels thinking the offset was different from the 911 wheels and that would allow wider tires in the rear. This is NOT the case. The offset is the same on both types of wheels, it's just that the 951 centers are thicker which pushes the petals out toward the face of the wheel to allow clearance for larger brake calipers. Look at how the lug nuts are recessed on Ron's car.

In my experience you can only run 205 series tires on the rear without rubbing and even then you have to dial in 1.5 to 2 degrees negative camber. I run 28mm TB's in the rear and have no issues with the wheel rubbing further up inside the inner fender where it usually blisters on cars running stock TB's.

All cars vary slightly but I can't see running larger than 205's without rolling the fender lips and stiffening up the suspension.

My fenders are not rolled and I have no rubbing issues with the 205's on 7's on the front or rear.

spinner37 · 10-08-2009, 03:40 AM

thanks guys, sounds like 205's are what i want. also, i double checked and right now i have 205 60 series, not 55 series on the back, so that is slightly taller then what i thought. what about putting a 50 series 16 inch tire, that is a shorter sidwall correct?

RoninLB · 10-08-2009, 03:53 AM

If my car I'd get a nice set of 16" Fuchs and mount a set of 205x55 Bridgestone 050A Pilot Sport, or =, and be done with it. If you install four 951/944 turbo 16x7 Fuchs on all corners you'll be able to upgrade your calipers big time later.

either set-up should keep you relaxed for years

Paulporsche · 01:08 PM

I have 205/60s on my 7" Fuchs. 55s will fit too.

EDIT: I have 205/50/16s not 205/60/16s on my 7" rims.

spinner37 · 10-08-2009, 01:45 PM

thanks guys, sounds like 205's are what i want. also, i double checked and right now i have 205 60 series, not 55 series on the back, so that is slightly taller then what i thought. what about putting a 50 series 16 inch tire, that is a shorter sidwall correct?