I have 15x7 RPF1 41+ on my 00 integra and was wondering if it would:
1) be safe on a road course
2) be noticeably bad on wheel bearing or the effects negligible for the next couple of years
3) increase handling characteristics if i ran a 15mm bolt-on spacer to all 4 wheels.

I believe this will change my offset to 26+. the car is lowered on 1.3" eibach pros so I might not have rubbing issues, but quite possible at the same time.

i searched online, but nothing specific to our cars. thank you!

 

Do NOT run a bolt on wheel spacer unless you don't value your life. Bolt on wheel spacers can/will break causing your wheel to come off especially in a track or heavy duty use situation. If you're going to use a wheel spacer get longer wheel studs and a proper spacer.

 

Those wheels and offset are fine. Why would you think they wouldn't be?

+26. lol. Do you value your fenders?

 

sorry guys. when i said bolt-on, i meant the ones that bolts to the hub and have studs that bolts to the wheel seperately.

26+ too much? hmmm what's the absolute maximum offset i can run without rubbing?

 

You don't need wheel spacers with the Enkei RPF1s 15x7" in the 41m offset. They will work fine - I had the same wheel and offset on my 00 Civic Si and no rubbing. +26 offset would definitely rub the outer fenders BAD!
I had 15x7" Kosei T1S on my 00 Civic Si with 35mm offset and they rubbed every corner with -2.5 drop with 205/50x15" Falken Azenis.

 

Yah. I'm talking about those, don't use them. All that's keeping you wheel is some 15mm thick piece of aluminum and the stud is set further into the spacer than that so figure it's about 10mm at the best.

 

u dont need spacers for most wheels unless your tire (225 hoosier) rubs the trailing arm

 

The wheels are safe, in fact they are the perfect offset for a DC Integra, the spacers you describe will not be safe.
If you have any kind of performance tire and are driving harder than touring laps, you can measure your wheel bearing life in weekends rather than years. Its just a fact of life, and a good thing to learn to DIY

God no, read about "scrub radius" I dumped a bunch of +35 wheels because the car felt terrible.

There are several big discussions of wheel offset on this very forum, try searching again.

 

If you are going to put a 225 Hoosier on all 4 corners with ET41 15x7s, I recommend putting a 5mm spacer on the rear to keep the tire from rubbing the trailing arm like Spencer said.

IIRC, I don't believe I had any rubbing problems on my DC Integra with 225 Hankooks on those wheels.

 

Sorry, but this really sounds like fear mongering.

1) the clamping force between the hub face and the wheel is what supports the car, not the studs.
2) the spacer only needs to be thick enough to prevent the stud from pulling through when the wheel is torqued

 

I don't worry about the wheel spacer keeping the rotor and hub in play, the thing I worry about is wheel spacer breaking. The further you get the wheel away from the hub the more leverage the wheel has on the suspension components, in this case it's an aftermarket spacer made of aluminum not steel. There are plenty of guys racing CRX's that break the stock hubs with no spacers.

There is a reason real race cars don't run those types of spacers, they aren't safe to push to the limits of the car. If you were just cruising around on the street and made the occasional hard turn they would most likely be fine, but when you're talking about cornering at over 1g in excess of 100mph it wouldn't be a good idea to trust an aftermarket wheel spacer to hold your wheel on. Bolt on wheel spacers are a short cut to wheel spacing and like most short cuts there are drawbacks, in this case they could be deadly.

Its not fear mongering, I don't want people to get hurt on the race track because someone got lazy and didn't feel like pulling their hubs off to press in studs for proper wheel spacers.

 

thanks guys. i think i will ditch the spacer idea

 

If you're worried about stock hubs on a CRX, I'd suggest you don't use a spacer at all, and also buy the highest offset wheels you can buy. Regardless of how you install the spacer, or if you just use a low offset wheel, the leverage on the hub will increase.

This brings me back to your theory that the bolt on wheel spacers will fail somehow. The only way a sandwiched piece of Al is going to "break" in this situation would be if the studs pulled through it. Properly torqued, this concern is nullified. Tension load on the stud does not change when the car is in motion with properly torqued wheels.

 

I used 15x7" Kosei K1s with 45mm offsets and 225/45x15" Hoosier A5s couple years ago didn't have any rubbing on those either.