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Peter Mac's 260Z Race Car


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#1 Lurch ™

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Posted 26 September 2010 - 08:28 PM

Peter bought his 260Z from forum member 'GV260' 8-9 years ago as a neat, stock street spec 260Z.
But it didn't stay that way for very long...

It started off with a warmish L26 with about 150hp which was 'OK' for a while.
Then Peter got a bit excited – an FJ20et race engine with a T66 turbo (+nitrous) was fitted produce around 650hp at the tires, which eventually ran 9.9 @139MPH at Calder..
This had the effect of slightly modifying the chassis alignment – which can kinda happen with stock S30 shells...

Next the circuit bug took over & Peter decided that the Zed was going to better suited to going round some of Australia best circuits as a proper race car.
Cue a massive rebuild over the next few years, culminating in the beast you see here.

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Body:
Off-White colour
Heavily stripped & lightend RS30 shell.
Comprehensive 4130 CroMo ROPS.
Flare are MASSIVE AlfaFG units moulded to the body
Front guards are FG
FG ultra light doors (3.5kg)
FG Bonnet
FG Hatch (2.5kg)
FG front splitter

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Suspension:
AZC full track pack (refer to AZC website)
Modified BMW 3Series Power steering rack.

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Brakes:
Front: Wilwood Superlights 6-spot, 13” rotors
Rear: Wilwood Superlight 6-spot, 12.5” rotors

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Diff:
2-way nismo Short-nose (GTR centre)
GTR CroMo driveshafts

Gearbox:
R32 Skyling with Albins gearset & L-series bellhouseing
AP twin plate on custom flywheel

Engine:
L28 block
CR billit crank 86mm stroke
Pauter Rods
SPS pistons
Head: N42 casting with extensive modifications to the chamber & ports.
Cam: Special turbo grind
Ex manfold: Custom steam pipe – extrudihoned
Inlet manifold: Redline manifold with custom S.TB plenum
Turbo: 700hp Borg Warner
WG: 48mm external gate
ECU: Haltech Platinum series
RacePak data logging dash

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Wheels & tires:
Custom built Harry Withham rims – 17x12”
Tires: Dunlop slicks.

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Over to you Peter... ;)

#2 benny

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Posted 26 September 2010 - 09:38 PM

What a work of art... congrats Pete

#3 luvemfast

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Posted 26 September 2010 - 09:42 PM

Awsome looking machine, any youtube videos?

#4 peter mc

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Posted 26 September 2010 - 09:48 PM

thanks Benny it been so much fun building the car. i have met so many great people along the way.
Cars like this seem to take so much time and effort but they give back a hell of allot of fun and good times.

ps. Big thanx to Lurch for coming down and helping me finally put this together.

#5 gav240z

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Posted 26 September 2010 - 10:08 PM

This build looks incredible. I've seen some of the pics you have been uploading in the gallery and I knew it was going to be a detailed build. Lots of hard work I'm sure.

How much power are you expecting to get out of the old L28? It's good to see you went the L28 route. We should definitely get the write up on the homepage once you get this thing fully assembled.

#6 peter mc

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Posted 26 September 2010 - 10:20 PM

hope the motor makes 350kw it will run on e85 it will run about 25 -30 psi in top gear.

#7 Lightmaster240z

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Posted 26 September 2010 - 11:49 PM

The photo barley do the beast justest ;D. I just lov this thing a cant wait to see you drive it around a track soon.
Bruce 

#8 RB30X

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Posted 27 September 2010 - 01:22 AM

Those front Tyres aren't very wide.

#9 NZeder

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Posted 27 September 2010 - 07:54 AM

Excellent build - looks like I need to fly over of a visit and check out some of the zed ;) and maybe bring another 3.9 R200 for you guys over there :D

#10 dazzed

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Posted 27 September 2010 - 08:15 AM

i lkie how the coils have their own hanger rail

#11 GTS-Retro

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Posted 27 September 2010 - 10:43 AM

cant wait to see more, don't power steering setups have difficulties overheating on the track? or how do you overcome that situation?

#12 Scando

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Posted 27 September 2010 - 01:13 PM

Very very nice!  What sort of events do you plan to do?

#13 Zedman240®

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Posted 27 September 2010 - 03:03 PM

Very very nice!  What sort of events do you plan to do?


Chapel St Laps...hehehe..
Seriously, very nice build there Peter. Like everyone else has said, can't wait til its finished and running!

#14 peter mc

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Posted 27 September 2010 - 06:24 PM

Hi all,
I have a big oil cooler for the power steering that fits beside the intercooler to help with the overheating oil.
I have put the same cooler on most of our comp cars with good results.
For what events i will be in i hope to be chasing all my friends around at sprint meetings and some hill climbs.
Eventually i will modify it to comply with sports cars closed.

#15 madz

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Posted 27 September 2010 - 06:29 PM

Good work Peter, would be great if I could see this beast in the flesh.....  ;D

#16 peter mc

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Posted 27 September 2010 - 09:29 PM

if you are in morwell  :)you are more than welcome

#17 luvemfast

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Posted 27 September 2010 - 09:32 PM

if you are in morwell  :)you are more than welcome

Will we see it at the workshop next year?

#18 peter mc

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Posted 27 September 2010 - 09:45 PM

i hope so .  :)

#19 garvice

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Posted 27 September 2010 - 10:34 PM

Any more photos of your screamer pipe exiting the engine bay?
Looks like it exits near the battery tray in the first picture, but then cannot see it in the next photo showing a larger area of the front wheel well.

Does it reconnect to the exhaust pipe or does it just dump into the wheel well.

Can see it in this photo
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But not this one
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#20 peter mc

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Posted 27 September 2010 - 10:44 PM

hi it will join in to the 4in ex under the floor and exit out the side . i have cut the floor out and raised it 6in on the passenger side.




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