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(1) 18x10.5 on front of 4th gen? (2)who is this guy?!
I am looking for this style wheel fromOEwheels amd saw this one review posted below the info... guy says he put 18x10.5 on all four corners. The review doesnt mention tire sizes but others said that 315s go on the 10.5 nicely. Im wondering first if 18x10.5 will work on the front unmodified with stock ride height, and second, if it will fit fine, whats the most narrow tire that can go on a 10.5" rim without looking stupid? 275? 285? 295? I dont want to run 315s on all four. Lastly, does anyone know who this reviewer is?! I would really like to get in touch woth him and oewheels wasnt any help finding his info,... says hes from High Point, NC...
Anyway, if anyone can answer the questions about fitment of a 10.5" 56mm offset wheel on the front of a 4th gen OR if anyone knows who this guy is and can get me in contact with him, I would really appreciate it!
Well, ive been using the search and theres a bunch of info but alot of back and forth comments on sizes and fitment. no one definite answer on this 18x10.5 deal. The wheel and tire sticky doesnt mention 10.5 on the front at all... and it doesnt mention these c5 deepdish wheels either.
My personal vehicle is 18x10.5 all the way around deep dish c5. I had 285-35-18 front and 295-35-18 rear for a while with no spacers. Our house car has 18x10.5 all around on 295-35-18 with some spacers added in every corner if I recall.
i am running a 18x10.5 wheel on all four corners of my car. although i have weld RTS wheels in a 50mm offset and they sit perfect imo, so for a 56mm you will need to run a spacer to make it fit right. narrowest i would go on a 10.5 wheel is a 275 tire
Narrowest tire depends on brand. I run a 275 Hoosier r6 on a 10.5 wheel because they run wide - a 275 nitto would be Volkswagen stretched. 295-315 is ideal for a 10.5 wheel and there are many good performance tires in that range.
There are ZERO issues with running wide tires up front on these cars. In fact, if the offset is correct like others have mentioned, there is actually more clearance than the rear wheel wells. I've personally run 315 Hoosier A6 up front, with no issues. If you have never seen their rubber, it runs incredibly wide for its listed size. The only issue you may encounter is some slight rubbing on the plastic fender liners. It's nothing to worry about. You can trim the liner, or let the tire clearance itself. The liner will cause no damage to the tire and there is nothing behind the liner to cause any damage. If you enjoy carving corners, wider front tires with a square setup will give you much better handling.
My personal vehicle is 18x10.5 all the way around deep dish c5. I had 285-35-18 front and 295-35-18 rear for a while with no spacers. Our house car has 18x10.5 all around on 295-35-18 with some spacers added in every corner if I recall.
Are yours a GM wheel? Do you know the offset of them or those on the house car?
There are ZERO issues with running wide tires up front on these cars. In fact, if the offset is correct like others have mentioned, there is actually more clearance than the rear wheel wells.
Now, I will agree with you on getting wider wheels/tires to fit up front is easier. But I will not agree that there are zero issues. One of the biggest problems with running a large tire up front and running on a course it it wears out the front bearings very quickly. It's a lot of added strain on the bearings. Also, it is more strain on the PS system...although I'm not really sure it would make much of a difference. Remove the factory PS Cooler, and add a decent after market on and call it good.
Daily driving is a strain on the factory hubs. They are an absolute **** design from GM. Tire compound has more of an effect on hub wear than tire width. A factory width R compound will destroy hubs much faster than a wide street tire.
Also, the strain is negligible on the power steering. In fact, the factory pump over-assists the steering, which is where the excess heat comes from. I've run 315mm Hoosier slicks on my car with a pump re-valved to slow it down, absolutely no issues.
Much thanks.. I've been looking at getting these but the finish I'm looking for is only in 10.5. My car is mostly a daily driver am I'm more of a fan of function vs. Ooooo & aaaaaahhh... so, even though these wheels look great I needed the functionality feedback and to know about any headaches I'll encounter.
Any visual oddities for the c5 dd 10.5's all around? I cant tell from the photos Ive seen how much if any difference there really is with the 10.5 vs. 9.5 up front... does the wheel/tire stay in line with the fender lip or does it protrude?
I am running this combo with no issues whatsoever. It rides wonderful actually! The wheels and tires sit flush with the fenders, no protrusion at all.
*18x10.5" all around 56mm offset
*295 BFG's up front
*315 BFG's out back
*No spacers
*Lowered 2.5"
Could you please post some good pics of your car?
I think most in this thread would really like to see closeups, side views, front rear views, caliper clearance, etc...
Thanks
Alrighty... Update time... bought the polished aluminum C5 DD rims, 18 x 10.5 on all four corners. I went with 295/35R18 continental extreme contact DW on the front two wheels. I didn't search very long but was only coming up with two tires in 315/35R18 size and one was pretty much a drag slick. So, the other was Toyo proxes TQ. Not sure how long these rears will last but, I may eventually end up with 295's all around since there's more tire choices in that size. The wheels and tires went on without a problem and after inspecting very closely for for any issues before drive couldn't see anything was going to rub. I went for a spin up and down the block and pulled off all wheels one-by-one to check for rubbing or any issues, none. The top inner edge of the front wheels seem super close to the spindle and I have a picture below to show ya's. I'd say there's about 1/8"-1/4" clearance. unless the rim or spindle bendsor breaks, that should never be a problem. After a few days of driving, I decided to roll the rear fender lip just as a precaution. There wasn't any sign of rubbing there but, just felt like 'why not'. I pulled the rear wheels off and noticed very slight rubbing on the inner side of the wheel well. I took photos to show folks. I heard a lot of people always talk about the BFH adjustments but haven't seen to many photos showing exactly what they beat in with the hammer. Well, I'm putting up some photos of it here. LAST THING, There is one possible serious issue I will have to decide on a remedy for--- The rearend bump stops WILL MAKE CONTACT WITH THE RIM if the rearend tries to fully extend (hang) down. I typically always jack the car up in the rear from the center housing (I know, I know,.. not a good habit, but oh well) AND I dont expect or intend to be airborn anytime so, hopefully I dont have an issue prior to relocating the bumpstop some how. Anyway, all-in-all, I'm pretty happy with the wheels. I will have to see how well these tires last now but, its a night and day difference going from worn out 275/40R17 sumitomo's to these 315/35R18 toyo's. Very grippy. need a rearend now so I cant actually take advantage! Alright... picture time.... (not sure why but, i just tried to upload photos and it didn't happen, may have to do several posts)
Both rears were rubbing ever so slightly in EXACTLY the same spots... i have aftermarket upper and lower PH bars (non adjustable). I have bolt in LCA lowering brackets and tubular LCA's (non adjustable) too. I have moog cargo coil springs in the back to keep rear from sagging with stereo weight. In the front, Stock LT1 brakes right now, stock upper and lower a-arms, stock springs and shocks. Aftermarket (big) front sway bar and poly bushings on everything.
I had a 96 Z lowered and ran 18x10.5 on all four with 295/35's and never had any issue's. No spacers or anything, though I had previously did BFH mod to fit 17x11 ZR1 rears. Every car is slightly different so what one car may need to fit another may not.
02-02-2015, 10:01 AM
(1) 18x10.5 on front of 4th gen? (2)who is this guy?! 
