Technical Tips > Brakes, Suspensions, Steering, Wheels & Tyres

Tyre Combo for 18x8 ( Front and Rear )

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69CVET:
Thanks Craig.
Maybe they are actually 8.5"... Will confirm tomorrow

Cheers

bfit:

--- Quote from: craigh on December 08, 2016, 09:25:32 PM ---How can the rims be 8" wide 4.5" backspace and zero offset.

Sounds like something is not correct,

To be zero offset on an 8" rim it needs to be 4" backspace..

As for size I run 245/45/18 with no rubbing and lowered susp3nsion.

--- End quote ---
An 8'' rim is measured inside the lip the rim will measure 9'' wide over all
That's how you get 4.5 BS  with an 8'' rim zero offset
Bfit

craigh:

--- Quote from: Bfit on December 08, 2016, 09:57:06 PM --- An 8'' rim is measured inside the lip the rim will measure 9'' wide over all
That's how you get 4.5 BS  with an 8'' rim zero offset
Bfit

--- End quote ---

That may be correct but the industry norm is to uses the inside measurement when it  describes wheel widths so somewhat confusing.

Just want to ensure 69cvet gets the best options with his rims, choosing  larger offsets on same width rims will just move the rim inwards.

bfit:

--- Quote from: craigh on December 09, 2016, 06:33:59 AM ---That may be correct but the industry norm is to uses the inside measurement when it  describes wheel widths so somewhat confusing.

Just want to ensure 69cvet gets the best options with his rims, choosing  larger offsets on same width rims will just move the rim inwards.



--- End quote ---



Move wheel inwards .
That would depend on if the offset is positive or negative .
Something to note when working on a 40 odd year old Chev, do not assume that everything  is symmetrical.
A BS Of 5.3/4'' may work on one side but not the other.
The thing to keep an eye on is clearance on full lock,  tyre to chassis clearance to the frame
Bfit

Jethro:

--- Quote from: 69CVET on December 08, 2016, 09:33:10 PM ---


To be zero offset on an 8" rim it needs to be 4" backspace..

As for size I run 245/45/18 with no rubbing and lowered susp3nsion.

--- End quote ---


I'm with Craig and thats what I'm running too :)

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