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Rb25 Into Hcr32 - Engine Mount Question

s13teddy

By s13teddy,
in Engines & Forced Induction

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s13teddy Newbie

s13teddy

Posted
Posted

Hey guys,I've searched this topic over and over but seem to have come up short of a clear answer. I'm installing what appears to be a Series 1 RB25DET into my HCR32 and I'm unsure what the situation with the motor mounts is. Some people say just use the RB20 mounts, but I've also read that you need to swap the motor mount brackets on the RB25 engine block itself to the RB20 brackets?

Other info I heard is that RB25 motor mounts are the same and should drop right in, which clearly isn't the case because the motor does not bolt in right now and I've wasted a night trying to get this thing bolted in.

What exactly do I need to do to get this motor bolted in? I have the RB25 with RB25 engine mount brackets and RB25 engine mounts.

Can anybody who's done the swap please chime in? I'd greatly appreciate a second of your time.

wlspn Proficient

wlspn

Posted
Posted

You need to use the 20 engine mounts for sure & I think the brackets too.

Can't quite remember with brackets tbh but I'm pretty damn sure. But yeah 20 mounts, 100%.

From memory you can sort of tell by looking as one set will mount rather flat while the other is more angled...

s13teddy Newbie

s13teddy

Posted
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Posted

Great, thanks so much guys! That's a pretty solid answer. Haha.

Here's what it's going in:

IMG_0320_19_21_tonemapped.jpg

IMG_0282_3_4_tonemapped.jpg

The engine was dropped in by my friend because we had nowhere to put it, so it was literally sitting on the oil pan and crossmember.

Anyway, thanks a lot, now I just need to source some brackets!

s13teddy Newbie

s13teddy

Posted
  • Author
Posted

Thanks mate. The places I found that sell RB20 brackets want $80.00 plus shipping for them... So much money! I think I'm gonna have custom solid mounts made instead and just use a Nismo transmission mount...

The wheels are 18x9 +7 front and 18x10 +7 rear.

mii11x Community Regular

mii11x

Posted
Posted

The wheels are 18x9 +7 front and 18x10 +7 rear.

hey mate any trouble with the tyres hitting upper control arm in fronts......looking at getting new rims for mine the lenso d1r and not sure bout offsets........this is why i ask

by the way my conversion to a 25 worked pretty smoothly though i had someone do it for me......biggest drama was getting speedo working really with the 25 box

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