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View Full Version : whats the size of this screw. Or Bung?



MrMcQuacker
05-10-2011, 08:46 AM
http://cgi.ebay.com/ebaymotors/1989-1999-Celica-GT4-3SGTE-Turbo-Down-Pipe-Downpipe-_W0QQcmdZViewItemQQfitsZModelQ3aCelicaQQhashZitem1 e637052c5QQitemZ130517324485QQptZMotorsQ5fCarQ5fTr uckQ5fPartsQ5fAccessories

I bought this a while back. Works pretty well. The screw far bottum right fell off. on the Pic its the 1 thats thinner not the thick one.
TY in advance. I think my cuz and i just bought a M18 1.5 same size for an O2 and that was way 2 big. So ya im lost.

T-spoon
05-10-2011, 03:49 PM
being aftermarket I really don't know what size and pitch bolt they used. I don't suppose taking the downpipe into a hardware store and matching it up would be a very good solution for you, but it is A solution.

If you have a bunch of bolts laying around from other projects you might be able to at least match the size up, even if the thread pitch is wrong. Not many metric thread pitches for aftermarket stuff so it shouldn't be too hard to narrow that down if you know the size.

MrMcQuacker
05-10-2011, 07:15 PM
Yea ive tried every screw in my garage lol. So ya imma have to give it another shot. also is it true the spark plug size is the same as the o2 sensor? or are they different.

Terracar
05-10-2011, 08:15 PM
Sorry man, not sure on teh smaller one - it may be the universal screw in size - don't know it off the top of my head. The bigger one is M18x1.5

-Terracar

CollapsedNut
05-10-2011, 09:50 PM
probably a m16 1.25