anybody ever try to fit a 225/50/15 bfg kd onto a 5th gen civic?? this is going to be for the front only. the tires would be mounted on 15x7 kosei with a +38 offset. what kind of clearance issues am i going to have. and more importantly, will the increase in grip offset the approx. 6% increase in rolling diameter??

nate

 

Chances are you'll need a 5-10mm spacer to clear the rears without rubbing.

 

 

Ah... doh, hmm

Removing fenderlining trim may be necessary due to the increased wheel diameter..and a spacer may still be needed, depending on camber, due to rubbing when turning lock to lock.

 

Run it like a 4x4 and you'll be fine Seriously, though, good luck. You will rub, no doubt about that. The 225/50/15 KD is a larger tire than the Kumho V700 225/50/15 and those rubbed on my ITR in the front, even with a better offset than you have (+43). Unless you have serious camber in the front, you'll catch the fenderwell I suspect wioth a +38.

Also, a 7" wide wheel may not be enough for the soft sidewall of the BFG. Per from GRM commented that a 15x7 on his civic rolled over like a b!tch on his car and the 7.5" rim would be better. Now, his car weighs more, but the BFG does have a soft sidewall.

I'm thinking about trying the 225/50 KD in the front of my R too, but I'm going with 8" wheels.

 

thanks guys. i didn't know that the sidewalls of the bfg's were so soft. i can't run an 8 in sts, but a 7.5 wouldn't be too far out of the question. i'm trying to get a sponsor to help with tire expenses, and if that goes through i'll try it. until then, looks like i'll have to find another way to increase grip at the front.

nate

 

are you sure you can't run an 8 inch wheel?? I was under the impression that the tire width was limited, not rim width....so in your case, you COULD run an 8 inch wheel with 225's. That would be ideal anyways. I'm hopefully gonna be running a 14x8 with 225's in front and 14x7 in back....just have to find some 14x8s

 

from http://www.moutons.org/sccasolo/Rule...7.4.%20WHEELS:

Any wheels up to 7.5" in width that fit over stock brakes

--buji


[Modified by buji, 7:37 PM 9/24/2002]

 

honda-tech search forum please...just a few of the topics found

https://honda-tech.com/zerothread?id=265265

https://honda-tech.com/zerothread?id=283654

https://honda-tech.com/zerothread?id=271059

https://honda-tech.com/zerothread?id=267920


and for all of them....
https://honda-tech.com/zerosearch

 

Let it rub, let it rub, let it rub... I have always run 225s of all diameters including 225/50 14s (current road race set up) and 225/45 15s in hoosiers. Yeah, it rubs on the inside, but the trick is to use stiff enough springs to avoid the fenders! This goes for all setups, as the more rubber you can put on the ground, the better the grip. I even ran the 225s when I ran in stock class on the front on my 95 civic ex. I only ran them on the front due to a necessity to reduce rear grip (used 205 on rear).

The only reason not to use the 225 on the rear without spacer is if you are doing roadcourse/roadrace activities in which the rubbing on the inside on the trailing arm contributes to a power-brake effect (translate very bad oversteer) at high speeds. I have gone to a rear wheel drive offset to avoid this.

Bottom line, I would not be scared of a little tire rub.

13h4

 

I know a guy running 225/45R13 Hoosiers on an '89 CRX. Not sure if any spacers are used, or the offset of his wheels.

 

Waaaay different than a 225/50/15. You're talking several inches difference in overall diameter.

And when things rub, the softest material will always lose. Just be careful.

 

Does STS require the tire to be completely under the fender (as in Stock)? If so, this might be an issue. Street Prepared has no such restriction, explaining the extra wide wheel/tire combos people run.

 

No, in STS any offset is ok as long as the wheel is no wider than 7.5"

 

yea..it can be done. I have 225 hoosier son a set of stock ls integ wheels right now. Just need a spacer on back to clear the trailing arm. You also might to play with the fender lining..my tires made a huge difference.

dropcivc

 

[rant] for the record. i have a dial-up connection and no mouse. i spend my money on my car, not my computer. i spend my time making money or working on my car. it is much easier to post a thread on a specific topic, such as 225/50/15 _bfg kd's_ and have the results sent to my email then to sort through several threads on a more general topic or directed towards hoosiers or kumho's. that is assuming that the archaic search machine actually gets results based on your search criteria, which getting the _correct_ search criteria is something of a black art too. also, if all a message board were good for was to look up archived posts, there would be no need for a message board. i understand some moderating needs to be done or the important and valuable threads will be lost in spam, but some care needs to be taken in the moderating so as not to stifle knew ideas and re-visiting old topics a-new. i don't post nearly as many things as i want because i'm 99% sure i'll get the "use the search function" response, when what i want is to start a new discussion. many discussions on a message board branch off on one tangent, but the topic can/should be re-introduced to explore the other tangents. my suggestion would be to moderate the general posts such as "what spring rates for a 95 teg" and leave the more specific "will 600lb front springs on a teg bottom out at 5.5 in ride height?" threads alone. [/rant]

nate

 

i was just thinking. i talked to per at topeka after day 1 and he said that the car handled like "poo on a stick". he also told me the car had severe bump steer issues and several other suspension setup related problems. due to the newness of the car and suspension and relatively short development time, combined with the higher weight and different suspension, could the sidewall roll-over be set aside as a concern? granted a 7.5 wheel would be nice (i checked and was right. 8" is for stx only) i kinda want to try it without the investment of new wheels.

nate

 

todd, were on the front did the kumhos rub, and was that on stock suspension??

 

ttt

 

225/50zr15 Toyo T1S on 15x7 et39 Advan RG with a 15mm spacer behind the front wheels. For your information. This spacer along with the difference in rotor hat thickness would put front offset at +17mm. And yes, the front fenders are massaged a bit. The rears are just rolled.


http://homepage.mac.com/rogerfoo/photos.html


[Modified by prospec, 4:37 AM 10/1/2002]

 

Is that on your SI or hatchback?

 

That would be for either body style.