supra dan Posted August 18, 2009 Share Posted August 18, 2009 got a new short block from dusty and the guy fitting it says the oil pressure switch is a different size? the tapped hole in the new block is bigger than the old one.is there a difference between jspec and us spec? any one know the part number of the switch Quote Link to comment Share on other sites More sharing options...
Scooter Posted August 18, 2009 Share Posted August 18, 2009 There was a change/revision/upgrade on these....... this thread has lots fo detail....... Quote Link to comment Share on other sites More sharing options...
supra dan Posted August 19, 2009 Author Share Posted August 19, 2009 cheers bud :thumbs:so can anyone tell me which is the larger one? Quote Link to comment Share on other sites More sharing options...
Scooter Posted August 19, 2009 Share Posted August 19, 2009 Actually i've misread your post a little.........A few years back I fitted an upgraded/revised part to an old engine when my pressure switch had 'gone' ie there was no difference in the threads that went into the block just the outer part that was different. I've not heard of your particular problem being discussed before......... Quote Link to comment Share on other sites More sharing options...
supra dan Posted August 19, 2009 Author Share Posted August 19, 2009 its strange toyota sent two switches that were identicle except they had changed the part number just wondering if its a UK/ jspec problem? Quote Link to comment Share on other sites More sharing options...
dude Posted August 19, 2009 Share Posted August 19, 2009 They should all be the same dude. Quote Link to comment Share on other sites More sharing options...
supra dan Posted August 19, 2009 Author Share Posted August 19, 2009 They should all be the same dude. the tapped hole on the new block is definatly bigger than the old one. can i just make up a reducer? Quote Link to comment Share on other sites More sharing options...
supra dan Posted August 20, 2009 Author Share Posted August 20, 2009 just in case anyone else needs the info in future got this from dusty You do not need an O.P. switch. You need: 90402-16015 adapter 90430-16012 crush washer Quote Link to comment Share on other sites More sharing options...
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