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Gtst - The Never Ending Build

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34GeeTeeTee Grand Master

34GeeTeeTee

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So im thinking i will have to roll the front guards and maybe a pump if possible to fit 17x9 with 265 rubber, if anyone knows someone to do it on the central coast that would be helpful...

Not sure about guard rolling but Road2Race is awesome with alignment and suspension work if you need to adjust it to get them to clear ;)

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75coupe
75coupe

So a full weekend of car toying. Found the timing belt had jumped three teeth on the crank, damn lucky to only jumped three anymore would of mashed the valves. So thats fixed. New belts, new front cr

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Victory Mentor

Victory

Posted
Posted

It is amazing what you can fit under R33 guards without a lot of work. My front guards are stock and I have rolled the rears to give me a bit more clearance. It is easy to roll the rears (we did it ourselves) but the fronts are more involved due to the shape of the guard.

The real issue with larger rims is offset. If you can get rims with a 30 to 35 offset you can normally clear suspension and guards without any problems. If you go for GTR offsets of around 20 then you can get outside the guards pretty easy.

You also need to think about tyre shape - some like Yokohama 048 and 050 have a rounded shoulder which provides a lot more clearance. Other makes like Kumho V70A have a square shoulder that means that you will require more clearance.

Here are 18 x 9 with 35 offset and 265/35/18 Federals on our R33 front and rear with no clearance problems

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We also ran 17 x 9 with 22 offset and 245/40/17 Kumho V70A tyres at Eastern Creek with no clearance problems but they were a bit outside the guards.

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We have now gone even bigger with 17 x 9 with 35 offset and Kumho V70A tyres with 255/40/17 fronts and 275/40/17 rears but no pictures as yet. These things are seriously big with the 255/40/17 fronts about 2 cm wider than the 265 Federals.

I would be trying wheels and tyres on you car before you go modifying guards too much.

  • 1 month later...
75coupe Grand Master

75coupe

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So a full weekend of car toying.

Found the timing belt had jumped three teeth on the crank, damn lucky to only jumped three anymore would of mashed the valves. So thats fixed. New belts, new front crank seal too.

Installed new clutch, billet flywheel, crank seal, thrust and spigot bush. New npc 5puk carbotic clutch, and put in a rebuilt gearbox...

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New clutch bites hard but pedal feel is lighter than the average exedy that was in there which was totally shot.

Now just to change oil and filter, bleed brakes, and for the semi slicks in prep for track day at smsp 22nd sept...

Took it for drive today felt good and im getting used to the clutch, should all be sweet for track.

Now to look at new diff, start saving...

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75coupe Grand Master

75coupe

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Well it was running real rough id been testing and diagnosing it for few months and then decided it was timing and took it dvs jez, its all good now, didnt drive it with bad timing just trailered it up there.

Well i would like a nismo 1.5 gtpro, lets see how much i save for a car budget...

75coupe Grand Master

75coupe

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You need to either use the rb26 cams baking plate or cut the corners off the rb25 one, ive cut the corners off but also have a 26 one there for when i get chance to swap it in, you so need to cut a hole in the c belt cover for the vct on the intake cam so it can poke through as the 26 doesnt have the vct bulge...

Eventually wiuld like to get a 26 belt cover made in cf but with the 25 vct bulge, or weld in a bulge to my current 26 belt cover... Either way.

  • 4 weeks later...
75coupe Grand Master

75coupe

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So for the smsp track day not only did i have a rear wheel alignment done by eye, old used street tyres on the rear and healthy semis on the fronts, but i ended up with the upper control arm with a sheared off bolt, major issue, all of these things added up to a hard to handle car... And here i thought it was just my poor steering skills...

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Victory Mentor

Victory

Posted
Posted

The semi's must have been generating some grip to break a high tensile bolt like that.

You were so lucky that the other bolt did not fail resulting in the front wheel collapsing under the car.

  • 1 month later...
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