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Well can confirm if you clean throttle plates and "bore" of throttle body with carby cleaner you will afterwards be able to see light past the edges of the throttle butterfly 100%

for the record this was the same with crc carby cleaner and motorquip carby cleaner

God I hope that tomei stuff I ordered this morning works

But you should be able to see light, the throttle plate should not contact the bore

Yeah had figured that 2 :rofl:

yet car ran and idled fine when chocked with carbon so you definitly couldnt

see any light???????????

The "bore " on mine is definitly looking silver now not black as in the posted pics

Just not wanting to risk problems on starting a fresh motor

:D:)

guess I may be panicking about nothing

checked the manual again to be sure and there is nothing in there about setting these

plenty on setting the other linkages with feeler gauges etc nothing on setting

the butterflys up though :D

Edited by noone

you can do a cleanup without any problems as long as you're sensible about it. most of the time the problems that people experrience are because the re-assembly may not have been done correctly, or there was a small thing that was overlooked.

http://www.tomei-p.co.jp/_2003web-catalogu...hers_gauge.html

link to the Tomei site showing application of Tomei throttle coat to the Butterflys

not to the bore of the throttle body at all

So went back down to the shed to check mine out

to find this on the exact same spot as in the pic on the Tomei site

post-33041-1260758097_thumb.jpg

Add to this the fact that I could barely blow any air down the supplementary air pipe

till I cleaned the throttle body bore where the butterfly contacts (well almost contacts) the bore

you can see said hole below and the pipe I am referring to is clearly visible in the Tomei pics

despite the pic it looks like this side didnt have the aprox. 6 -10 mm of coating the other side did

again exactly as per the tomei pics

post-33041-1260758733_thumb.jpg

If I hadnt of cleaned the throttle body bores I reckon this hole would of been so clogged as to have been almost useless

  • 10 years later...

Huge thread Necro, will be cleaning my throttles and this thread has been a help. Quick question, how do you remove the butterfly shaft? Do I need a press to remove it and the bearings? Unfortunately whoever owned before me put copious amounts of liquid gasket under the end plates to try and seal them.  I have scraped it all back but trying to remove the butterfly shaft has been useless, it feels locked in. Don't want to brake it but I think if I can get it lined up in a press it should just press straight out correct? Thanks

IMG_20200419_160447.jpg

Yeah mate, gotta press the shaft out, I did them on my 32 last year. I put a Reimax throttle refresh kit through it and new Nismo throttle springs, about a $300 exercise.

The Reimax kit is the only way to get those stupid plastic spring locator bits (they are always broken in most 26s I've seen) and shaft seals new. Nissan don't sell the bits as the throttles are not supposed to be disassembled - they are sold new as a complete unit.

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