tire size help please!!

[doc74021]

I have a 69 short step I am restoring I'm doing the front disc conversion 5 lug rear axle 5 lug conversion and a ece 4/6 drop I got a set of 5 lug factory rally wheels and want to know what tires will look the best as far as sizing. I am new with the whole back spacers and all so a little lost.
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[Agent915]

I just did the same conversion, except I used McGaughy's suspension parts. My original intentions were to go with 20's, but I decided that I would run 15" steelies instead. In my opinion a 255/60/15 in front and 275/60/15 rears will look the best. That would give you ~27" tall front tire and ~28" rear.

Danny

[doc74021]

Sounds good thank you I have all my parts sitting right now I'm replacing rusted out sheet metal on the cab just getting antsy..
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[Agent915]

Believe me I understand! Sometimes I wonder if mine will ever be finished. I generally only get to work on mine on Saturdays. I'm getting close to the "trim-out" phase, then wiring, and hopefully reassembly. All I need is more time and more money!!! Good luck with it. Oh, welcome to the site. TONS of helpful people on here.

Danny

[Toxic Orange]

Here's mine with 4/6 ECE static drop with 15x7 (225/70/r15) in the front and 15x8 (275/60/r15) in the rear. Would likely want a little wider tire on the front if you have 8" rims.

[Sixshooter44]

What's the back spacing on rally's? 15x7 and 15x8? I was looking to get some bassets for my 68 stepper till I can afford a 20/22 setup
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[doc74021]

That truck looks sick. They are 15x8, seeing your truck just gets me that much more antsy all my parts are sitting in the boxes and I'm itching to put them on.
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[Toxic Orange]

Thanks... I guess I really need to measure the width of the rims. I know for a fact that the fronts are less wide than the back, that why I say 7". Somebody told me they may have been van wheels. I think most are using 8" all the way around and you would want to adjust the tire width to compensate. Mine look pretty narrow in the front.

[Daaaanz67]

15/8 wheels front and rear with 255 60 15 4/6 drop
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[doc74021]

Those look good!
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[Sixshooter44]

Sharp truck! Those have about 4 inches of backspace right?
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[qdevuldog]

Here is mine... i just finished doing the same thing yesterday. 2 1/2 inch drop spindle in the front with 5 lug rotors from CPP and 4 inch drop coils and 5 lug axles also from CPP in the rear. 15x8 cragars in the rear with 275/60/15 and 15x7 in the front with 255/60/15. Everything new total was $2,350 (me and my neighbor did the labor).

[BugzC10]

There not Rallys, but 15x10 w/4" BS f&r. 295/50 rear, 265/50 front. Will be going to 265 or 275/60 in front to gain some additnal ground clearance.

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[doc74021]

Those are both nice. So on the backspace did you do it just to get them farther out of the fender
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[BugzC10]

Originally Posted by doc74021

Those are both nice. So on the backspace did you do it just to get them farther out of the fender
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On the back...could probably go with 5 -5-1/4" bs. On the front 4" bs is about it without rubbing the tie rod ends. PO put these on.
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[Daaaanz67]

I think 4.125 to be exact
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