Looking for a 914 wheel size ET and tire chart Options

[wndsnd]

People throw tire and wheel sizes around but they usually dont show offset.

Does anyone know where I can find a dependable chart.

[jimkelly]

see this
http://www.914world.com/bbs2/index.php?sho...;hl=wheel+chart

and this
http://members.rennlist.org/911pcars/WheelWts.html

I love narrow body 5 lug cars (IMG:style_emoticons/default/wub.gif)

[wndsnd]

Good Reading.

Thanks Jim.

I am looking for that chart that is mentioned. If you happen to run upon it.

Thanks

[wndsnd]

The Rennlist chart is good, but does it always apply to 914's or just 911's?

Also would be nice to see tire sizes fitted without fender rolling, bending, etc.

[GeorgeRud]

Seems there was enough variation from car to car and tire brand to tire brand that you really need to treat each application individually.

[scott_in_nh]

John if the weather holds I can bring the car down and swap some tires around if you want to see how Mahles with 195/65's fit.

You could also borrow my steelies if you just need to get it on the road without paint burning tire rub. The tires on them are a little old, but I put 2k on them without any issues.

[Dave_Darling]

There were only three sizes of wheels fitted to 914s originally, if you don't count the relative handful of M471 cars. There were 4.5"x15" (early "standard" steelies), 5.5"x14" (914-6 Fuchs only), and 5.5"x15" (all the rest). Offsets were pretty much the same in all of the 5.5"-wide wheels.

Since few people care about the 4.5" wheels, your 914 wheel offset chart would be pretty boring.

That said, I don't remember the offset numbers. I do know that the backspacing for the 5.5" wheels is just about 5", though.

The cars themselves have some variance, and the rear fender where the clearance is tightest can either be the left or the right--but it's always a rear fender. Most cars can fit 205s on the stock 5.5" wheels, but in some cases 195 is the limit. Wider wheels cause more problems than narrower ones; it is very difficult to fit 205s on 7" wheels under completely unmodified fenders.

--DD

[jimkelly]

fwiw
my 4 lug 15" sport steel have a 4.25 backspace
I assumed this was about ideal for backspace
I thought 4 lug fuchs were about 4.5 ??
jim

[wndsnd]

John if the weather holds I can bring the car down and swap some tires around if you want to see how Mahles with 195/65's fit.

You could also borrow my steelies if you just need to get it on the road without paint burning tire rub. The tires on them are a little old, but I put 2k on them without any issues.

Thanks Scott,

It is on the road. Got the plates this morning.

Drove it up to Exeter and around a bit. The car is a lot stiffer than I expected. I want you to drive it and tell me what you think..

The 195's that are on there were rubbing on one side, but since I made an adjustment to the camber I think that has reduced to just banging when the suspension hits bumps. But that is not frequent becuase everything is so stiff. I guess I expected the Bilsteins to be a little softer? But at this point stiff is good until I get the suspension sorted.

I think I am going to go to 185's, and maybe different wheels.

Right rear bearing is squealing and that pisses me off becuase I replaced it.. It was consistant at first, but now only in right hand turns. I am praying it will go away, but I know that it will have to get replaced again. Checked the brake discs and hub and there is no heat, which makes be think it is the bearing. Unless it is tire rub, but I have never equated that with a squeal.


Picked up Al Romano and he helped me bleed the brakes once again, and now they feel good.

The throttle is still not going back to an idle.

Al gave me some pointers on adjusting the drop links and hex bar side play. The side play was affecting idle as well but now I might have it too tight.

Contact me if you think you are coming to the area. I need good sugestions and advice.

John

[wndsnd]

There were only three sizes of wheels fitted to 914s originally, if you don't count the relative handful of M471 cars. There were 4.5"x15" (early "standard" steelies), 5.5"x14" (914-6 Fuchs only), and 5.5"x15" (all the rest). Offsets were pretty much the same in all of the 5.5"-wide wheels.

Since few people care about the 4.5" wheels, your 914 wheel offset chart would be pretty boring.

But offset changes between 15, 16, and 17's and also between widths?



That said, I don't remember the offset numbers. I do know that the backspacing for the 5.5" wheels is just about 5", though.

The cars themselves have some variance, and the rear fender where the clearance is tightest can either be the left or the right--but it's always a rear fender. Most cars can fit 205s on the stock 5.5" wheels, but in some cases 195 is the limit. Wider wheels cause more problems than narrower ones; it is very difficult to fit 205s on 7" wheels under completely unmodified fenders.

--DD

I am not even contemplating 195's anymore. I think I am going to 185"s, but I need to pick a wheel. I am unsure what the offset is on the EMPI's I purchased from the net, but supposedly they came off a 914. Maybe he had rub too... Don't know. But with the 195's I have less that 1/8 " and I have overinflated the tires, and induced as much camber as the car will allow to get the tires off the fender.

[wndsnd]

Seems there was enough variation from car to car and tire brand to tire brand that you really need to treat each application individually.

This I am sure is correct especially with me having removed 1/2 that fender and the complete door jam to get to the hell hole for repair.

Who knows what might be off, I am too tired to measure everything (IMG:style_emoticons/default/yellowsleep[1].gif)

[Jeffs9146]

Good Reading.

Thanks Jim.

I am looking for that chart that is mentioned. If you happen to run upon it.

Thanks

 Offset.doc ( 72.5k ) Number of downloads: 144


 Wheel_Ident.doc ( 95k ) Number of downloads: 107

[jimkelly]

seems that 185x70x15 will keep your speedo accurate.\

I like the way 60 look better but my V8 hates them : )

if I ever get a suby conversion on the road, i'm going 50.

http://www.914world.com/specs/tirecalc.php

jim

[carr914]

http://www.944racing.de/wheelweights.php

[wndsnd]

seems that 185x70x15 will keep your speedo accurate.\

I like the way 60 look better but my V8 hates them : )

if I ever get a suby conversion on the road, i'm going 50.

http://www.914world.com/specs/tirecalc.php

jim

Got the console boot today. Very nice.

[wndsnd]

http://www.944racing.de/wheelweights.php

Thank you sir.....

[scott_in_nh]

I might be around this weekend John, I'll let you know.
Don't give up on the 195's, I bet you just have VW offset wheels that won't allow them to fit and my 195/65 on Mahles will not be an issue.

The stiff ride is odd as everyone seems to love the Bilsteins and you only have the 100lb. springs (I have Konis set on full soft and 165 lb. springs and think the ride is great)...

[brant]

Shocks don't make a car stiff.... Springs do. And the stiction from not TRTproperly installed bushings can really contribute to spring rate

The 7R wheel on the chart is basically perfect offset and the reason a real 7r will fit. Of course a real 7r is 1k per a wheel.

The 14 inch windmill that was stock on 6 cars was in my opinion used because it also has perfect offset. It is 2mm different than a 7r and a great fitment. It is also the cheapest fuch you can buy. It is also period correct. It will also give you a smoother ride as most tires available in 14 sizes have a taller sidewall. It also is a "deep" look wheel and cool looking. It does have down sizes. It is the least performance oriented due to the smaller diameter. Smaller width. And lack of tire selection.

All of the 5bolt Fuchs and cookie cutters have the same offset and will fit an undamaged stock car

[mskala]

Shocks don't make a car stiff.... Springs do. And the stiction from not TRTproperly installed bushings can really contribute to spring rate

The 7R wheel on the chart is basically perfect offset and the reason a real 7r will fit. Of course a real 7r is 1k per a wheel.

The 14 inch windmill that was stock on 6 cars was in my opinion used because it also has perfect offset. It is 2mm different than a 7r and a great fitment. It is also the cheapest fuch you can buy. It is also period correct. It will also give you a smoother ride as most tires available in 14 sizes have a taller sidewall. It also is a "deep" look wheel and cool looking. It does have down sizes. It is the least performance oriented due to the smaller diameter. Smaller width. And lack of tire selection.

All of the 5bolt Fuchs and cookie cutters have the same offset and will fit an undamaged stock car

I am not aware of any 6x14" fuchs. There is 5.5x14" fuchs in other tables, offset is 41mm.

I don't agree that 49mm offset of 7R is perfect, or even very good. However, if you like that, any of the following should also be useful:
* 52mm, 6x15 phone dial
* 52mm, 7x15 phone dial
* 50mm, 6x16 early boxster

I believe the best offset is 35-40mm. Keep in mind that all cars are a bit different. Also camber you are using (particularly in rear) is important.

[scott_in_nh]

Shocks don't make a car stiff.... Springs do. And the stiction from not TRTproperly installed bushings can really contribute to spring rate

I understand the functional difference between springs and shocks, but a shock with too much compression dampening will make the ride harsh when hitting a bump.

One with too little rebound dampening could also be called harsh.

Some folks might call a harsh ride "stiff".

KYB wouldn't stand for "Kills Your Back" if they did not affect ride....

Your stiction theory sounds good as it addresses what I found "odd"