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259 replies

NEW Mangusta Wheel by Group 4 Wheels

G group4wheelsMember
quote:
Originally posted by Panterapatt:
Jonathan:

Any chance you guys can take the 10" wheel and make a 13" wide wheels for us Group IV widebody cars? What would that take?

So 10's for the front and a 13" back wheel. 15" diameter of course.

thanks

Lee


Hi Lee,

Possible but it would mean a minimum run of 60 wheels...so a not insignificant investment!


Regards

Jonathan
johnnywoodsjohnnywoodsMember
I recently met Jonathan Sage (owner of Group4wheels) at Brooklands Auto Italia event. Here's a picture of us together, me holding the wheel.
Jonathan is a great guy and very enthusiastic. I was able to have a good look at his wheels and I have to say they are extremely high quality!

Jonathan is going into production with the 10" rear. This will fill out that rear arch and look fantastic - just like the 1966 prototype!

He also wants to produce a new wheel for the front to go with the 10" rear. This makes sense for anyone running the rough sand cast magnesium wheels because the new rears will be perfect castings so they will not match the rough original front wheels. If you have the later die cast aluminium wheels, these are already perfect so you would only really need the rears.

Jonathan has asked me if there is any reason why he cant produce an 8" wide front wheel? As you know the original front is 7" wide. I spent some time today looking at the front of a Mangusta with the original 7" front wheels - 215/60 tyres. I wound it onto full lock in both directions and can't see and reason why he cant add another 1" on the inside. 215/60 is a little short on the front, maybe with an 8" wheel 225/60 would be better. I noticed the calliper will be slightly inside the wheel (like it should have been originally). Jonathan assures me his wheels have a lot more room inside them than the originals do, so the calliper will not be too close to the inside of the rim. Stones can get stuck between the calliper and the wheel and score the rim. I have experienced this on a GT5 Pantera with it's original wheels and 6 piston Willwoods that had very little clearance inside the wheel.

Adding another 1" to the inside of the front wheel would improve the scrub radius and make a small improvement in the steering. It's not possible to put it on the outside because the original front wheel already has way too much negative offset. The backspacing on the original wheel is 59.5mm, it should be a lot more. This is one of the reasons the Goose doesn't have very good steering, the low geared rack masks this somewhat. Another 1" on the inside would improve the backspacing to 84.5mm.

From what I can see any tyre rubbing issues on the front of a Goose are caused by tyres that are too tall so adding 1" on the inside can only improve things, right? What do you guys think?

Johnny

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markcharltonmarkcharltonOld enough to know better and still young enough not to care. My '71 Pantera
Johnny & Jonathan,

Glad you two have finally met. I am hoping that this new connection will enable Group4 to get the proper wheel specs and, more critically, fit a set of these wheels to a Mangusta and post photos.

I am ready to order a set, but don't want the responsibility of determining offsets etc. and really want to see a set of 8s and 10s on a Mangusta before ordering. To me, the dish in the hub would need to go (a fairly simple machine operation that Jonathan has confirmed can be done so it looks a tad more authentic) and seeing the wheels fit the body AND clear all the important bits of suspension etc. are the only hold-backs. I don't expect any issues, but I don't want to be shipping wheels back over the ocean because of fitment issues. I'm confident I'm not alone on this.

So, Johnny, please hook Jonathan up with Jonathan Root (really, is EVERYONE third person in the UK named Jon****? Big Grin) or Roger B so he can do a test fit. It would be very much appreciated by all and I'm certain very worthwhile to Group4 Wheels.

Mark
mangustamangustaMember
Wow, I'd like to put a set on my 'Merican muscle car too! They look a LOT like the mini-lites in terms of the spoke pattern, NOT the detail of the spoke.... even has 5 lug nut holes in it already! 5x4.5"? If I toss out all my wife's crap in her suitcase when we hit Europe in a few months, perhaps I can get a set smuggled home....


Johnny, Great explanation of the steering geometry stuff. I was sleeping through that class in high school.....oh, that's right, I never had that class! Seriously...great job explaining something that is basically black magic for most of the masses!
Ciao!
Steve
G group4wheelsMember
Hi All,

Gonna get the 3 J's together ASAP and trial fit a set of wheels. I'm in talks with the design team to see what we can do with the bowl and I think we can come up with something that will make everyone happy. As this will involve extra machine work, I would say the price may increase slightly, I'll let you know.

What I do need to know is, with a modified centre, how many of you would want a set? I'll need to get all wheels machined at the same time as it'll be very difficult to get sets machined in small numbers in the future.


Regards

Jonathan
G group4wheelsMember
quote:
Originally posted by "72 GTS:
Hello Jonathan,

Will you design the Pantera wheels ?
Is there any pic of the (nice) Mangusta wheels on a Pantera ?
regards
Philippe


Hi Philippe,

We are looking at the Pantera wheel, although this would be some time off if it does happen.
No pictures of our wheels on any DeTomaso at the moment, something that I hope will change soon.


Regards

Jonathan
markcharltonmarkcharltonOld enough to know better and still young enough not to care. My '71 Pantera
Nice solution Jonathan.

While the true purists will not be happy with anything less than an exact replica of the original wheel, this will be an ideal solution for those of us looking to have some cool-looking (I LOVE the deep-dish of the 10" rears) "every-day" shoes for real driving, plus a "concours" set of original wheels with skinny, expensive XWX tires (tyres) for when we get invited to Pebble Beach.

I'll have mine in silver please.

Now let's see a set ON a Mangusta so we can be comfortable that the stance works, off-sets are right, and everything clears properly. Then I'm ready to order a set.

Cheers,
Mark
G group4wheelsMember
Hi Mark,

Thank you so much for your positive feedback.

Whilst I understand that the purist wants an exact copy, like I've told the Iso Griffo/Bizzarini boys...the numbers have to stack up and it's such an individual wheel (see attached picture) that unless they produce the numbers, nothing like it will get made...unlike this wheel. I think you sum it up very well Mark with the "every-day shoes" and if I may...Sunday best.

I hope that the wheel meets with the approval of others and we can get some sets out there...a lot of hard work has been done by a lot of people to get this wheel to this point.


Regards

Jonathan

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markcharltonmarkcharltonOld enough to know better and still young enough not to care. My '71 Pantera
Jonathan,

Subject to seeing photos of a set on a Mangusta (and them looking/fitting correctly) before the payment is handed over, please consider this my order for a set. As shown.

Cheers,
Mark

BTW, who was the lucky "first order"?

quote:
Originally posted by Group 4 Wheels:

FIRST MANGUSTA CUSTOMER TO ORDER A SET GETS FREE DELIVERY!


Regards

Jonathan
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