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MikeDanger · Joined: 21 Nov 2002 Posts: 774 Location: Denver

So I test fitted some 996 wheels which were 17x9 with 255/40 tires on them...
they almost fit! I removed the factory 21mm spacer, but had to used some 2mm washers to get the nuts to tighten.

Ill post some pics below, just to note, I think I could use a 5-8mm spacer and that would help the tire clear the nuts on the trailing arm.

I was planning on using 245/40 tires[/img]
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MikeDanger · Joined: 21 Nov 2002 Posts: 774 Location: Denver

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safe · Joined: 18 Mar 2017 Posts: 698 Location: Sweden

I've seen 10" on the rear.

Carrera RSR · Joined: 08 Jan 2010 Posts: 2312 Location: Somerset, UK

Carrera RSR · Joined: 08 Jan 2010 Posts: 2312 Location: Somerset, UK

Rasta Monsta · Joined: 12 Jul 2006 Posts: 11733 Location: PacNW

I had 225 on Shaggy and I thought it looked bad ass.
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WeiBe (1987 924S 2.5t) - 931 S3

Brockoli · Posted: Tue Nov 03, 2020 9:17 am Post subject:

Currently running Yokohama A052. 225/50/16 front and 245/45/16 rear on BBS RS 7"/8" with a 49mm offset. 16mm spacer on the rear. Fronts rubbed a bit so had to pull the front fenders slightly. Did it by hand. Also running 2.??? camber
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'80 924 M471,Wideband O2, Full coilover susp,23/19 sways,Bilstiens,KLA Strut Brace,Roll Bar,Test Pipe,BBS RS, Willwood BBK

25% of a '87 944 Chumpcar http://straightpipe.ca/forums/showthread.php?t=2454

'79 924 Sebring Edition(Sitting)

MikeDanger · Joined: 21 Nov 2002 Posts: 774 Location: Denver

more pictures of clearance, how much further can it be spaced out?

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It was either this or a giant box of legos

MikeDanger · Joined: 21 Nov 2002 Posts: 774 Location: Denver

problem is on the inside you can see it hitting the bolts here (again this is a 255 tire)

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It was either this or a giant box of legos

safe · Joined: 18 Mar 2017 Posts: 698 Location: Sweden

Shave the bolt down to the nuts for a start. Then get some m14 washers and experiment.

You can have 6-7mm before you need longera studs or go to a bolted spacer but those need to be about 18mm to be strong enough, assuming the wheels have clearence on the inside between the bolts.

TJC · Posted: Fri Nov 06, 2020 1:52 am Post subject:

I've been toying with the idea of using 7 & 8x16 Gullideckels from a 928 with 225/50 front and 245/50 rear tires on my '80 924 Turbo "potential" project so I'm interested to see what some of the ideas are going to be floated around here.
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'87 Porsche 944 NA... "Liebchen"
'02 Porsche Boxster..."Sunbeam"
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Fasteddie313 · Joined: 29 Sep 2013 Posts: 2595 Location: MI

safe · Joined: 18 Mar 2017 Posts: 698 Location: Sweden

245 is a bit wide for 8", i use 225 on 8" gullig and 205 on 7".

Carrera RSR · Joined: 08 Jan 2010 Posts: 2312 Location: Somerset, UK

Also remember, apart from looking ridiculous if over rim'd and tyre'd, the added weight of big wheels and massively over sized tyres will impact the drive and handling of the car.

I think my car looks better on 8'' with 215 45 16 than it does 0n 8'' with 225 45 R tyres (measure the same width as many 245 road tyre). A 245 50 16 will look like balloons overfilling the wheel wells.

215 road tyre. 40mm rear and 15mm front spacers

225 R tyre. 30mm rear and no front spacer.

I will be putting 245 50 16 on 9'' rims on the rear of my CGT/GTS rep, but the luxury of extra width of the rear flares help compensate for the larger rim/tyre combo which looks right compared to the narrow body.

Also is anyone putting out the power or driving to the limit for the need of 245's on a 924/931??? Happy days if you are.
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1980 931 - forged pistons, Piper cam, K27/26 3257 6.10 hybrid turbo, 951 FMIC, custom intake, Mittelmotor dizzy & cam pulley, H&S exhaust, GAZ Gold, Fuch'ed, Quaife
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Cedric · Joined: 27 Aug 2004 Posts: 2801 Location: Sweden

Heres 245/45 R16, not for looks thats for sure, they look to tall. The kumhos are pretty narrow so they fit well on 8s, others might be ballooney. I was planning on 225s but these came up for a good price. I think they should hold up on track for me, heat is always a challenge. But for road it's completely unnecessary, i have plenty of grip with my 195 wide sport tyres, even at 1 bar boost. As Steve says bigger will only slow the cars down.

[img]https://www.bildtagg.se/file/thumb/2a8ij49qtx3ytcv9rcwj51[/img]

[img]https://www.bildtagg.se/file/thumb/gwtjzzn0cu9izxkuqcgx2gy[/img]

[img]https://www.bildtagg.se/file/thumb/a3igmccr8xjebwcbavsz3qz[/img]
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1980 924 Turbo
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