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Old 10-10-2017, 08:32 PM   #1
stevencsat
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Default Offset for wide wheels on a 245?

Hey guys,

I'm looking at getting some Diamond Racing wheels for my 1985 245 Wagon, and I'm unsure about the offset. My car is on IPD lowering springs and KYB shocks, and I really want to put a 15x9 in the rear. Any ideas what offset I would need to order to clear in the rear?
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Old 10-10-2017, 09:03 PM   #2
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Man this question has been asked a lot try this link. It is a better search function than the board...
http://https://www.google.com/search?q=diamond+racing+wheels+site:+turbobricks&ie=UTF-8&oe=UTF-8&hl=en-us&client=safari
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Old 10-10-2017, 10:46 PM   #3
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My setup: 91 240, fenders rolled flat, stock height. 17x9 et26 with 25mm adapters and 245/45/17. Normally no rub. Tires rub with people in the back seat or with lots of articulation. No rub with me and the wife up front going over speedbumps and in normal driving. Wheels never rub, just the tires and barely at that. I could go with a 235/40 and probably eliminate the issue.
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Old 10-11-2017, 10:51 AM   #4
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No.
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Old 10-20-2017, 11:44 AM   #5
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No.
Not sure how I skipped over such a useful and well thought out reply. How did I ever get anywhere on my build without your knowledge?
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Old 10-20-2017, 12:43 PM   #6
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Old 10-20-2017, 12:44 PM   #7
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Quote:
Originally Posted by stevencsat View Post
Not sure how I skipped over such a useful and well thought out reply. How did I ever get anywhere on my build without your knowledge?
he knows what he's talking about
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Old 10-20-2017, 04:51 PM   #8
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Quote:
Originally Posted by Jack View Post
he knows what he's talking about
By just saying no? I'm confused as to if he was saying no he doesn't know what offset I would need, or if he was saying no to my choice of cheap, wide wheels. Either way, it didn't help with my question.

Thank you, Redwood Chair for the info. I realized after I posted that the wheels only come in an 8" width or a 10" width so I went with 15x8 0 offset on all four corners.
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Old 10-20-2017, 05:22 PM   #9
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Quote:
Originally Posted by stevencsat View Post
By just saying no? I'm confused as to if he was saying no he doesn't know what offset I would need, or if he was saying no to my choice of cheap, wide wheels. Either way, it didn't help with my question.

Thank you, Redwood Chair for the info. I realized after I posted that the wheels only come in an 8" width or a 10" width so I went with 15x8 0 offset on all four corners.
Ya my first response was the same number but in a bit more colorful context, but I guess the mod[s] didn't like it.



Anyway you'll need a 3mm or 5mm spacer to clear the stock car style [inward] brake vent hole lips to caliper on the front of a 240 so that'll push your offset back up a little.
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Old 10-20-2017, 06:07 PM   #10
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Originally Posted by Redwood Chair View Post
Ya my first response was the same number but in a bit more colorful context, but I guess the mod[s] didn't like it.



Anyway you'll need a 3mm or 5mm spacer to clear the stock car style [inward] brake vent hole lips to caliper on the front of a 240 so that'll push your offset back up a little.
Is that the same situation with a 245? I read somewhere that the 240 sedan had slightly different front calipers than the wagons did
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Old 10-20-2017, 10:43 PM   #11
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Originally Posted by stevencsat View Post
Is that the same situation with a 245? I read somewhere that the 240 sedan had slightly different front calipers than the wagons did
No the only caliper differences are for the early solid rotors VS the later vented rotors.
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Old 10-24-2017, 11:04 PM   #12
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Originally Posted by stevencsat View Post
cheap, wide wheels.
You missed heavy and looks like you stole them off a trailer. But sure.
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Old 10-27-2017, 04:24 PM   #13
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You missed heavy and looks like you stole them off a trailer. But sure.
I must have also missed the part where I asked for your useless opinion.
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Old 10-27-2017, 05:24 PM   #14
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Originally Posted by stevencsat View Post
I must have also missed the part where I asked for your useless opinion.
One should expect all sorts of opinions when asking for help. Some good, some not, but it is your vehicle. Do as you like. Quit worrying what others think. Or if you are worried, then his advise is helpful. They are very heavy wheels, and more unsprung weight kills handling. Is that worded better?
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Old 10-27-2017, 05:33 PM   #15
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Originally Posted by PeaceEngineered View Post
They are very heavy wheels, and more unsprung weight kills handling. Is that worded better?
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Old 10-27-2017, 05:37 PM   #16
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Originally Posted by PeaceEngineered View Post
One should expect all sorts of opinions when asking for help. Some good, some not, but it is your vehicle. Do as you like. Quit worrying what others think. Or if you are worried, then his advise is helpful. They are very heavy wheels, and more unsprung weight kills handling. Is that worded better?

I understand that everyone has opinions, but I didn't start a thread asking for opinions on the wheel choice. I simply asked about offsets seeing as how many people here have aftermarket wheels on their cars.

And the way I see it there have been two useless comments left on this thread, both by DoucheNozzle. If he feels there is a good reason I shouldn't use the wheels, maybe he should offer a suggestion for a different wheel that comes in the size that I mentioned. It's not "advice" if you're just being negative about someone else's car/choices.
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Old 10-27-2017, 06:52 PM   #17
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Quote:
Originally Posted by stevencsat View Post
I understand that everyone has opinions, but I didn't start a thread asking for opinions on the wheel choice. I simply asked about offsets seeing as how many people here have aftermarket wheels on their cars.

And the way I see it there have been two useless comments left on this thread, both by DoucheNozzle. If he feels there is a good reason I shouldn't use the wheels, maybe he should offer a suggestion for a different wheel that comes in the size that I mentioned. It's not "advice" if you're just being negative about someone else's car/choices.
You won't last long around here if you cry and whine about every comment you get that you don't like. If you don't like it, just ignore and move on.

There are not many wheel choices for 240's until you start adapting other lug patterns. Once you start doing that, the wheel world opens up a lot.
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Old 10-27-2017, 07:37 PM   #18
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The 5x108 with very little offset makes it hard. That being said. There are many useful tools and websites out there. Wheel Offset Calculator You could safely run ET10 in the rear. From what I've seen a lot of TBers run ET0. Trying to remember who all is running a 8"+ wide wheel.
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Old 10-27-2017, 07:58 PM   #19
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I run et20 on an 8” in the rear with room for less offset, and -5et via a spacer up front.

You’ll need some fender rolling and getting the offset just about perfect.

Next question, why do you want a 9” wheel?
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Old 10-27-2017, 08:03 PM   #20
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Quote:
Originally Posted by KeizerBrickGuy View Post
The 5x108 with very little offset makes it hard. That being said. There are many useful tools and websites out there. Wheel Offset Calculator You could safely run ET10 in the rear. From what I've seen a lot of TBers run ET0. Trying to remember who all is running a 8"+ wide wheel.
Thanks. I searched a ton of forum pages, Pinterest accounts, personal build sites and the like but it seemed like everyone either still needed spacers or went with rolled fenders
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Old 10-27-2017, 08:07 PM   #21
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Originally Posted by fortbrick View Post
I run et20 on an 8” in the rear with room for less offset, and -5et via a spacer up front.

You’ll need some fender rolling and getting the offset just about perfect.

Next question, why do you want a 9” wheel?
It's good to hear that the 8" fits well back there. I originally wanted 9" wheels just for the sake of having a little extra contact patch back there for my wagon (5.0 swapped), but I ended up going with 8" all around for the sake of finding a tire size and because I'm sure this thing will never be as powerful as I see it in my head I know the Diamond racing wheels are a lot of unsprung weight, but I don't plan on tracking the car or street racing at every light. I have a hookup on powdercoating them as well, so I think they'll look decent when it's all said and done
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Old 10-27-2017, 08:07 PM   #22
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I'm running 225s on 16x8 ET20 wheels with no rubbing. Have to make sure your rear is centered.
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Old 10-27-2017, 08:13 PM   #23
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I'm running 225s on 16x8 ET20 wheels with no rubbing. Have to make sure your rear is centered.
Do you have a picture of how yours sits?
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Old 10-27-2017, 10:40 PM   #24
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15x9 wheels? You have any idea if tires with 25" overall diameter exist that would fit the bill? That's like 265 mm section width.
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Old 10-27-2017, 10:44 PM   #25
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15x9 wheels? You have any idea if tires with 25" overall diameter exist that would fit the bill? That's like 265 mm section width.
I made a mistake originally. 15x8 is what I was looking at, as there are only two 15" tires on the market that fit a 9" width
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