Ridler 695 backspace

[BrookelynnGreen]

Front 20x8.5
Rear 20x10

What backspace is needed for an 86 SWB?
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[wraprail]

Whatever the backspace is on these wheels its right. I have a set in the sizes you posted and the fit is ideal.

85 C10 swb slammed

[mgchevyparts]

The 20x8.5 come with 4.75" backspace, the 20x10 come with 5.5" backspace, sounds about perfect.

[JCampbell]

Man, so much contradictory info regarding backspace. I'm looking to pull the trigger on a set this week in the same sizes. Backspacing has got me wringing my hands. I keep hearing 5"-5.75" BS on an 8.5 is ideal.

[wraprail]

http://67-72chevytrucks.com/vboard/s...d.php?t=500866

Post #27

zero offset
In this case mgchevy is correct.

http://img.photobucket.com/albums/v7...1/untitled.jpg

[lolife99]

Backspacing equal how you want it to look.
Personal opion is what drives these numbers.
(Thats why I hate giving out numbers about backspacing)

Myself,... I hate the front track width being wider than the rear,... or the wheels being closer to the fenders on the front than the rear.

My opinion (for me),... I want more backspacing than a 4.75" BS on a 8.5" wheel up front on a 67-87 truck with a stock crossmember and stock width a-arms.
There are a ton of varibles when talking BS numbers.

But it all boils down to personal preference.

[lolife99]

Good thread here:
http://67-72chevytrucks.com/vboard/s...d.php?t=333775

[wraprail]

When I see one of these trucks with a narrowed crossmember or +offset wheels, to me it just looks silly with the front wheels sucked in and 2" fender clearance. Never did see the point in that but just my opinion.
I do agree about the rear.
I would move the rear out over moving the front in.
In my case, on my truck, I will be adding a 1" spacer on the rear.

Edit:
I must confess,
I do not have front inner fenders.
At my lowered ride height the tires rub making a sharp turn with 4.75" bs. (must raise 4 u turn)
The fenders are designed (patent pending) to rub while not cut the tire.

[JCampbell]

Okay. Got it.

I see what you’re saying, too, Keith. I don’t want them sticking out past the edge of the fenders, but I don’t particularly care for them being “sucked in” too far inboard.

[lolife99]

4.75" bs vs 5 25" bs is only 1/2" difference.
But I don't like depending on my suspension to keep the fenders off the tires.
I like having my wheels placed correctly so if I hit and unexpected hard bump I have room for the suspension to compress.
This means allowing for the curves of the fenders or bedsides.
Even more critical on bagged trucks or super low static dropped trucks.
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