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R33 Hybrid Gt Spec...will I Need To Trim Fan Blade

nsta

By nsta,
in Engines & Forced Induction

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nsta Mentor

nsta

Posted
Posted

Hey just wondeirng if i'll need to trim the fan blade off of my r33 gts25t series 1, if i install my new hybrid gt-spec intercooler kit,.Ive heard people say that with the new gtspec kits, theres no need to trim fanblades?as id like to do it myself, im not too keen if i will have to trim fanblades, as i'll probably ruin sumthing, its the one thing thats stopping me from diy'in the fmic.

One other thing.....my piping doesnt have a nipple for my solenoid going back to turbo???is there another line i can tap into?, or should i be getting a nipple put in?

thanks

Beeble Community Regular

Beeble

Posted
Posted

Did this not long ago.

I trimmed the blades before fitting it up, and in retrospect probably didn't need to. The pipe going across just behind the radiator sits up pretty high - i would try to fit without trimming, i reckon you'd come darn close.

Otherwise, if you need to cut them - i just did it with wire cutters. it's only the back of the blades that needs attention, anyhow, and just a little snip at 45 degrees should do it.

with the "nipple" - just plumb into either the vacuum line out of the front of the manifold (to the fuel reg) or the one that goes to the BOV.

Oh and btw you won't need to cut the front fan plastic shroud, either (for the aircon fan).

Whole job took about 5-6 hours, and i'm no whiz with the tools :(

mid life crisis Veteran

mid life crisis

Posted
Posted

some people chop out some of the bumper reo bar to get the cooler to sit back some more .and yes its not uncommon to have to trin about 5 mm off the fan blades to clear the piping . u may also have to relocate your hoen as well in cases

Beeble Community Regular

Beeble

Posted
Posted (edited)

^ Ah yes, forgot to add that a trusty angle grinder was required for the reo bar :(

And you'll need a hole saw too. There's plenty of exciting new homes for your horns when you're putting everything back together.

For what it's worth, when i picked up my cooler i was told that Autobarn installs them for about $100 or $150, (i can't remember exactly how much but it seemed pretty reasonable). But i'm one of those ppl that prefers to do everything himself.

Edited by Beeble
nsta Mentor

nsta

Posted
  • Author
Posted

Thanks so much guys, im going to do this tommorow hopefully if i get the time, how much off the fanblades will i need to cut off, and could u please post a pic of where i cut from/to?

If i cut the blades wrong could i do damage to the cooling system in effect?

nsta Mentor

nsta

Posted
  • Author
Posted

please help guys, i got the cooler fitted, only top brackets are on, sits nicely, and i will have to relocate the horn, but thats the least of my worries, the piping that needs to go back to the stand piping hole is too short, or so i think, do i need to make the hole bigger or something???ive moved the cooler right back so i cant understand why this is happening.Also with all these hose clamps, how much do of the pipe needs to be over the clamp before i tighten, sorry new to this diy stuff (heheh)

JeeTeeEss25Tee Rising Star

JeeTeeEss25Tee

Posted
Posted

Although you may not have much choice, trimming fan blades is a bad idea coz it might make the fan out of balance and consequently may affect other things like water pump, engine cooling, etc You could extend the piping by having a longer silicon hose from where the washer bottle is, and for the pipe that goes across the engine lift it with a small metal bar and 2 extra bolts.

nsta Mentor

nsta

Posted
  • Author
Posted

Ok i'll try that hopefully all is fine. Just wondering........... if i was to lift the pipe going accross the engine, would that not make the pipe hit the bonnet???, and would that affect the rest of the piping that extends to the cooler itself?

cheers

JeeTeeEss25Tee Rising Star

JeeTeeEss25Tee

Posted
Posted

It's quite tricky and yes the top pipe might touch the bonnet as well. Like I said you will need a longer silicon hose (probably twice as long to the one off the kits) and a metal bar roughly 5 cm2 to lift the top pipe clear the fan. That metal bar will be bolted on the where the engine mount is with 2 extra bolts for the top pipe. I havent got a pic for you but hopefully you can understand the mess that I just typed :)

This is a common problem if you get the Hybrid kits. Apparently the manufacturer is too lazy/cost saving to make some other kits that do not touch the fan. If you want a Hybrid cooler, might as well pay a little bit more and get some custom made kits to avoid this problem. But I guess its too late now :D

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