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4,6 and Rotor Nats REVIEW/OUTCOME?

N/A®

By N/A®,
in South Australia

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Munro Experienced

Munro

Posted
Posted

Well thats high power GTRs for you. We put 87.5mm pistons in it.The machinist said it would be OK, & it was.... till 2 bar of boost. Would have been over 500rwkw if had been a normal cool day.Drove the car(with the Holinger in it!) to Pt Augusta on Wed night, then again to Murray Bridge with Erica on thurs night. Sweeeeeeeeeeeeeeet street car.

If it held together would have run a respectable time on Sat - Oh well, I was let off the 70 degree track temps. So, have to start again with new block.

BUT, now the parts we were waiting for for the race car have arrived, we will shelve the street car & concentrate on the Bad Ass GTR & finish it off. The street GTR has been eyeing off parts on the race car for too long. Time to finish what we started.

The slicks are waiting for rims to suit. The engine is built. The car is ready for the engine.

Keir is looking forward to some competition - so hopefully soon we will have it ready.

Maybe adelaide will see a side by side 8 second GTR pass before too long.It has never been done in this country. And there may be much blood, sweat & tears till it does happen.

But when it happens - siiiiiiiiiccccckkkkkk maaaaaaate. Hope we dont meet on the centre line

Busky2k Veteran

Busky2k

Posted
Posted

Hrmm... the heat musta been a real killer for all you guys. I would have expected a higher TS for whatsisname like near the 120mark! And poor Andrew couldnt muster times anywhere near the last meet. It woulda been great... What clutch are you using bro? The exedy?? Im still on my stocker!!!

Ah well, better luck next time guys! Hopefully we can all make the March meetup. I got a few more mods I wanna test out :D

Nightcrawler Grand Master

Nightcrawler

Posted
Posted

yeah Leo, my Exedy hyper single organic has shit itself .... slips whenever I am on boost now :D - wound down my boost to 9psi this morning and it still does it unless I accelerate VERY slowly. Oh well .... I just need to find a small step up clutch that is still 100% everyday street drivable, but is stronger.

Matt Whatsisname I just found a ripper photo of your car on the strip - I think MAttR must have taken it. Check it out :) .... niiiiiiice! I will upload the rest of my photos hopefully tomorrow night! Chucked a couple of my fave photos up too for now. Enjoy!

9krpm Mentor

9krpm

Posted
Posted

nighcrawler looks like a job for adelaide clutch to wand their magic :)

I just had my exedy reconditioned with them after 5 months of installation (1/3 worn)

It's a big hassle to change clutch in my car so i reconditioned it while the car is in pieces :cheers:

The exedy is good but wears too quick for me.

Sorry I can't tell you how good the reconditioned clutch is as my car is not back on the road yet.

whatsisname Grand Master

whatsisname

Posted
Posted

Thanks for the photo guys! :)

Busky,

It's been a long time since I last gave drag racing a go, so my shift points were less than perfect, & launches for that matter :cheers: Add to these factors the temp (power killer) & my choice to run lower boost than I can (17-18psi rather than 21-22psi) & you'd have to expect lower TS's. A boost leak didn't help matters either.

Busky2k Veteran

Busky2k

Posted
Posted

Oh yeah I forgot you were using lower boost. But hey, a 12 second pass on your first outing, congrats!! :cheers:

Oh yeah, what was it like on the prepped track?? Alot better than the normal monthly street meets??

I guess I wont be upgrading to an exedy when the time comes. What other clutches are you guys using?

whatsisname Grand Master

whatsisname

Posted
Posted

Yeah mate, decided to run lower boost to give that extra margin of safety, this was despite Shaun giving me the 'all ok' to use 20+psi & go all out. I'm saving the 'all out' effort till a cooler street meet.

I've driven on prepped tracks a fair few times in the past. The track prep on Sat was very good. Still had wheelspin in 2nd though.

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