Wheels/Tires

Need some expert help!!!

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Old Jan 18, 2012 | 12:58 PM
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Need some expert help!!!

Hello guys,

new guy here. I know its my first post and i dont want to seem as a spammer or anything, i just need some help from the experience and knowledgeable peeps from this forum. Hopefully someone can give me a hand.
Anyway my uncle that races older Ferrari's and Maserati's came across a set of rims for one of his cars but does not trust the seller. Since my uncle is not really techy he asked me to do some searching on the net and thats why Im here. Here are the rims supposedly fitting older Ferrari or Maserati





These rims are brand new and never mounted with brand new slicks, they are 15 inch fronts and 16 inch rear. Can any of you guys here identify these rims and what they fit? Thank you so much for your time, thanks for looking.

Frank
 
Old Jan 19, 2012 | 08:45 AM
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To the top! Anybody?
 
Old Jan 20, 2012 | 03:30 PM
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Stating the obvious, they are for a center lock spindle, very old as the center lock has a flat surface. Most newer spindle locks have a conical seat. There are only 20 bolts which means they are for a very light track type car possibly open well. If you measure the overall width and then subtract 1" you can tell the width of the wheel. Run a straight across the back side of the rim and then measure the backspace. To determine the offset, divide the rim width in half and subtract the backspace. Convert the difference and you’ll have you’re offset. The other key factor is the pilot bore diameter and drive pin configuration. You’ll need to know how many and how big the pins diameters are for both car and the wheels. This is very tight tolerance so if they’re not dead nuts, they won’t fit and you don’t want to have to redrill the wheels just to get them on the car. Unless you know exactly what kind of car the wheels are from, there’s a good possibility you’ll waste your money. I would say make sure you test fit them before buying ’em. Good luck!
 
Old Jan 21, 2012 | 12:29 PM
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Thank you sir, what my uncle really wants to know is to what car these rims actually fit... I'll relay the info to him thanks.

Originally Posted by Memnon
Stating the obvious, they are for a center lock spindle, very old as the center lock has a flat surface. Most newer spindle locks have a conical seat. There are only 20 bolts which means they are for a very light track type car possibly open well. If you measure the overall width and then subtract 1" you can tell the width of the wheel. Run a straight across the back side of the rim and then measure the backspace. To determine the offset, divide the rim width in half and subtract the backspace. Convert the difference and you’ll have you’re offset. The other key factor is the pilot bore diameter and drive pin configuration. You’ll need to know how many and how big the pins diameters are for both car and the wheels. This is very tight tolerance so if they’re not dead nuts, they won’t fit and you don’t want to have to redrill the wheels just to get them on the car. Unless you know exactly what kind of car the wheels are from, there’s a good possibility you’ll waste your money. I would say make sure you test fit them before buying ’em. Good luck!
 
Old Jan 21, 2012 | 12:34 PM
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Do you have close up pictures of the rear of the wheels. Generally there is a decent amount of information stamped inside which could help determine the wheels.
 
Old Jan 23, 2012 | 08:51 AM
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Thank u for the advice, I'll defiantly relay the info. Hopefully by finding se info on the rims themselves will help figure out what they actually fit.

Originally Posted by Redstar
Thank you sir, what my uncle really wants to know is to what car these rims actually fit... I'll relay the info to him thanks.
 



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