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6 lug to 5 lug conversion


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I'm not exactly sure how I'm going to go about it. All I know is I've got a set of Trans Am GTA rims and thought it might be cool to throw them on my truck.

I've heard from some people that bolt on spacer are sketchy so, yeah

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 There much more to this. Have you compared the offset? Are they going to stick out past the fender opening? Body will rub a groove in the tread from bumps. Will they be in too far and rub the suspension parts?

 

Are all 5 stud rims the same??? Are Toyota 5 bolt the same as the Trans Am???????

 

 

There is probably only one or maybe two ways to get this right and an infinite number of ways to fuck this up. Chev Ford, Toyota, Mazda, Isuzu, Courier and more as well as all the Nissan Hardbody, Xterra, Pathfinder etc. are the same 6 bolt pattern. Find a set you can love that fit.   

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To do this properly will take money and time.

 

There are threads about having a Toyota 2wd truck hub machined to fit. Then you need the rear axles drilled to match.

 

With all that effort/expense...you could either buy a Toyota 2wd Hilux or proper wheels you like.

 

 

Making the truck fit the wheels is always a worse option getting wheels to fit the truck.

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Yea as far as getting those wheels to work, I have no idea. I would still think that if the wheels did fit with the correct back spacing and such, having your hubs re-drilled MIGHT be the less painful way to go.

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Yea as far as getting those wheels to work, I have no idea. I would still think that if the wheels did fit with the correct back spacing and such, having your hubs re-drilled MIGHT be the less painful way to go.

 

You can do adapters with no problems. But yes depending what offset wheels you run will give final stance. You could convert a Toyota rear end and redrill the front hubs. But now if you don't have disc brakes first go all Toyota or get a  disc brake swap kit then you can redrill. Can be done,drilling fronts with drum is easy. Back is easy also if you stay drum but got to pull rear axle's out.

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Call your local machine shop(s). That is where I had mine redrilled for the Toyota 5X4.5 lug pattern. I had it done 15 years ago at a cost of around $300. I just talked to the same guy who did it for me before and they still do it there. I never had any issues.

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Yes I forgot to say all 6 bolt are the same. (well not the Dodge 6 bolt)

 

Or new Fords.

 

 

 

 

And OP, whatever you do, never ever do what you want to your own truck.  Always give in to what these "purists" tell you what to do lol

 

Shits and grins, yet another time I post a pic of my D21...

 

20160418_115609_zpsd40kxnhc.jpg

 

Not sure how much of this applies to a 620 unless you change over to D21 front suspension, but machined Toyota front hubs, and a Toyota rear axle is what was used on the D21 in the pic.  Not super expensive, medium amount of modification skills needed (welding is needed, and machining of the hubs is required, only for the 5 lug part, not how low the truck sits).  I do recommend you grab at least the rear half of the donor Toyota's driveshaft as a hybrid shaft is needed to go from Nissan trans to Toyota 3rd member.  Mine is all Nissan except for the last yoke, fortunately the driveshafts are the same diameter and allow for the swap to be fairly easy.

 

There are some threads over on http://InfamousNissan.com that discuss how the front process was done on a 720, the OP of the thread did all the research and fitting, I admittedly only followed his lead.  All has worked great so far, at least a couple thousand miles on it.

 

PM mklotz on the forum for more on the machining costs for the hubs.

 

Otherwise, what Jersey said, the redrill, is your best route. I did it on a Mitsubishi truck I had in the late 80's, worked great, still totally safe.  I've also used bolt-on adapters as well, the newer true billet adapters made today (as long as you don't go cheap China product) aren't even remotely comparable to the old cast style that still have uniformed peoples panties in knots over their use.

 

 

 

I would also add, flatcat is 100% correct on the Pontiac wheels not being the same pattern.  They are a 5 x 4.75 pattern, as are most GM cars of that era (a couple exceptions are some of the larger cars and wagons had the 5 x 5 pattern). 

 

Doing the swap to 5 lug is really only worth it for a 5 x 4.5 pattern as it opens up access to so many more wheel choices, with a multitude of offsets.  For your desire to run those Trans-Am wheels, I'd have to say the adapters are the best option and won't limit you later.  But I do believe the offset of them is going to be a huge issue.

 

 

 

Lastly, mine is still just yet another opinion posted on the internet, one of an educated and informed asshole, but still just another opinion that holds no more or less weight than any of the others.

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If you want to redrill to run wheels you have to be cheap, forget it. The cost of properly redrilling hubs and axles is more than a nice set of wheels. 

 

My original 620 hubs and axles redrilled to Porsche pattern:

20160527_191120_zpshuxtji2m.jpg

 

20160527_191234_zps4mycewmr.jpg

 

 

Here are a set of Hardbody hubs redrilled to Porsche pattern that I ended up using on my 620:

 

20161026_132220_zpsca3pzikn.jpg

 

End result:

20170325_131430%201_zpsxjkh2s7g.jpg

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If you want to redrill to run wheels you have to be cheap, forget it. The cost of properly redrilling hubs and axles is more than a nice set of wheels.

 

My original 620 hubs and axles redrilled to Porsche pattern:

20160527_191120_zpshuxtji2m.jpg

 

20160527_191234_zps4mycewmr.jpg

 

 

Here are a set of Hardbody hubs redrilled to Porsche pattern that I ended up using on my 620:

 

20161026_132220_zpsca3pzikn.jpg

 

End result:

20170325_131430%201_zpsxjkh2s7g.jpg

Awesome truck!
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