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Injector Seals Help R33 Gtst

SargeRX8

By SargeRX8,
in General Maintenance

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SargeRX8 Grand Master

SargeRX8

Posted
Posted

Hey all,

Well I got my injectors seated into my rail and I reused my old O rings. I did not fit them into the car yet though. After reading, alot of people are saying not to reuse the O rings.

Problem is I cant find them and apparently Nissan charge half a penis for them.

To confirm, are these the parts I need?

"O-RING HOU LWR" - 16618 - 53J00

"O-RING HOU UPR" - 16618 - 10V05

Ive still got the rubber seats and the spacer shit, I just need to small and big O rings.

I found a few shops on eBay selling sets for silvias(in 4's) for a pretty decent price(I recall 10.60 for the item + about 10 on post). Is that my best option?

These are the links, if anyone can confirm these are the parts I need ill hassle the seller to make me a kit of 6.

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=200389911810&viewitem=&sspagename=STRK%3AMEWAX%3AIT

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&item=230221468057&ssPageName=ADME:X:AAQ:MOTORS:1123

Also found some EFI shop in Melbourne which I contacted but not too sure if they got the parts I need. If anyone has dealt with them or what ever, please let me know.

http://efihardware.com

Cheers!

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Moodles2 Grand Master

Moodles2

Posted
Posted

Kudos has what your after, though alittle pricey in my opinion: http://www.kudosmotorsports.com/catalog/nissan-oring-seal-fuel-injectors-genuine-nissan-skyline-rb20-rb25-p-983.html

BOOZTJUNKEY Proficient

BOOZTJUNKEY

Posted
Posted

Yeah it's sad Nissan charge either 6 or 8 dollars a seal which is f*ken ridiculous you could try efi performance they do seals can't remember how much tho also places like auto barn sell generic injector seals you take your old ones down an they match them up I payed 2 dollars a seal from there

89CAL Grand Master

89CAL

Posted
Posted

The o-rings are a special type that doesn't break down over time with fuel hitting it. That's the reason they would be expensive. I re-used my old ones on my nismo 555's purely because it was Christmas and I would be without a car for a few days without injectors. No leaks so far, but I have a front facing plenum so if they do leak it's not hard to take them out and fix them.

If your desperate you can check your current o-rings for defects and if they appear ok then they may (I'm not saying definitely) should be ok to re-use

What to look for. Make sure there are no cuts, pinch marks, tears etc etc anything really that makes you worry either don't use it or put up a photo.

The o-rings should be a bit soft. Fuel o-rings are a little harder then some o-rings but if you can squish it a bit it should be fine. If it's rock hard and doesn't stretch etc then it's no good.

That is if you want to re-use what you have. It's a pain to fix if it goes wrong and you have a standard manifold but lol. Id keep that in mind

Moodles2 Grand Master

Moodles2

Posted
Posted

In the case of rubber, when I was talking to my mechanic (nissan specialist), he said the difference between genuine Nissan rubber (cam seals in particular as I had him do my 100k service) and aftermarket rubber (Gates) is significant. The Nissan cam seals are nice and soft whereas the aftermarket cam seals are rock hard, I'm not saying which is better for that cam seal application (hard vs soft), just pointing out quality difference what is supposed to be the same part.

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