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Birth Of An Rb25

2rismo

By 2rismo,
in Motorsport Builds

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BezerkR32 Veteran

BezerkR32

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the plenums are very well made, just need a little refining.

i like to retain the metal gasket with the rubber orings. this gasket only came out in series 1s, and you cant get them any more. they hold their shape and seal well. the all rubber gasket moves and gets squeazed out the side. have removed these seals when the metal one was not available and just used a paper gasket with sealer also. this works, but have to discard the studs supplied also.

Too bad about the Plazmaman plenum Stuart, I made a thicker gasket for my plenum (I think it mentioned that in the instructions that came with it?)

Looks like the build is going on very nicely though.

Keep up the good work and look fwd to see how it goes on the black stuff. :laugh:

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2rismo Grand Master

2rismo

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I picked up the correct throttle body from Plazmaman last night after Compak Attak and saw that their new plenums have a revised throttle mounting setup that allows enough room for the retaining nuts on either side. They also allow room for the fitting at the back that runs to the brake booster.

BezerkR32 Veteran

BezerkR32

Posted
Posted (edited)

if you had of put both his balls in your mouth at the same time he might have given you the better one.......

A bit unprofesional to sell the plenum knowing that there was issues with it, unless it was cheeeeeeep.

Nevertheless, plenum is sorted, sump is also well underway so our work will be done very soon......hope to be finished this week.

sorry, i have broken the one beer rule again..

I picked up the correct throttle body from Plazmaman last night after Compak Attak and saw that their new plenums have a revised throttle mounting setup that allows enough room for the retaining nuts on either side. They also allow room for the fitting at the back that runs to the brake booster.
Edited by BezerkR32
BezerkR32 Veteran

BezerkR32

Posted
Posted

engine assy is in and bolted up. Nothing major to modify, just have to relocate a few minor things, and mount some of the new additions but otherwise all good. Aftermarket balancer is incorrect however and will need to be replaced.

Shoud complete the majority of these things today with exception to the balancer. Thermo fan & shroud will also require fitting as engine fan and factory shtoud no-longer fit.

Swiper the Fox Grand Master

Swiper the Fox

Posted
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If more people knew the grief involved before they started there would by way less modified cars out there. Its been almost 12 months of modifing the modifications, hacking, cutting changing, discarding, reaarranging components to get it all to work as a unit. I thought I did my homework but there are so many hidden perils just waiting to bite you on the arse.

The next person that tries to sell me a part and insists it simply "bolts straight on" will have said part rammed up their coit.

THERE IS NO SUCH THING AS A BOLT ON MOD?

Good luck with this build 2rismo and i hope your pain is way less than mine has been. There are quite a few up here keen to see your car run at jambo.

Every single part (or most) on our car has been Jap off the shelf stuff...why?...not because im rich...its because it fits and works everytime.

To Alex's defence...he once sold me a plenum that wasn't right...so the next day drove 6 hrs (3 hrs each way) to fix it.

2rismo Grand Master

2rismo

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Every single part (or most) on our car has been Jap off the shelf stuff...why?..

Because it's an RB26.

To Alex's defence...he once sold me a plenum that wasn't right...so the next day drove 6 hrs (3 hrs each way) to fix it.

The backup from the guys at Plazmaman has been great and they've been proactive about quizzing me on what should be improved.

BezerkR32 Veteran

BezerkR32

Posted
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the driveability of the 30/40 is excellent, have fitted this turbo to half a dozen r33s, two auto, the majority of these with standard internalls. adrians with the bigger exhaust housing due to the engine mods and use of gas. you be silly to upgrade to anything smaller. I would seriously consider gt42 if it is a auto race car.

Man my turbo is going to look tiny as a highmount compared to that.Maybe a GT3082 is on the cards :P

all-so finished the pressure side of the oil system, ran hose around radiator and through inline filter on driver-side chassis rail. there is a good 2 meters of -12 hose which eliminates the need for an oil cooler. mounted filter in a bosch fuel pump bracket.

my work is almost done.

Edited by BezerkR32
NYTSKY Grand Master

NYTSKY

Posted
Posted

I opted for the GT3076 .82 as the car will be used mostly for club sprints and motokhana type stuff. Anything bigger and lag would be so annoying in the really tight and twisty sections.

Good to see that motor in though, im dying to get mine in and running.

BezerkR32 Veteran

BezerkR32

Posted
Posted

definately the right choice for your application...

I opted for the GT3076 .82 as the car will be used mostly for club sprints and motokhana type stuff. Anything bigger and lag would be so annoying in the really tight and twisty sections.

Good to see that motor in though, im dying to get mine in and running.

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