hybridb18

ok, if u look in a stock throttle body, there is some kind of black looking sealant that keeps air from going around the butterfly when it is closed(idle). does anyone know what this sealant stuff is, or what i could use?

Reason i need to know, i bored out my throttle body to 64.17 mm, and the butterfly i made is 63.99 mm. there is a little gap in there, and the car is idleing at like 1400rpm. i need to fix this asap, it is annoying!!!!!!!!!!!!!

thanks

solo2slocivic

its oil and carbon build up... should be clean and shinny
you might try to find a lager throttle body to get a butterfly out of

gloryhog

the guy at jotech that sold me my jg tb said that it had silicone around the butterfly it was some of the white flavor. hope that helps cause i dont know what that dude from wa. is talking about he must be in another forum or somethin'

hybridb18

its not oil

spaceman

dood there isnt anything like that in a normal factory throttle body..like the one guy said your gonna need a bigger butterfly to take up the space or else you can try monster garaging some kind of sealent in there..good luck

hybridb18

yes there is sealant, i have taken 4 of them apart in the past few DAYS, AND EVERYONE of them had some kind of black looking sealant

Stupid Ass

Yes. And if they were all used, then it is indeed carbon build up.

hybridb18

its on the backside of the butterfly( the manifold side)

spaceman

lol..dood taste it does it taste like sealant,no it tastes like ****..hehe

jag

There is definately a rubber like coating on the throttle plates (at least on my GS-R). It is in a circle on the outer edge of the plate. It isn't oil. I have no clue what it is but it isn't necessary as plenty of throttle bodies don't have it. It seems like the correct solution would be to have the correct size throttle plate.

-Jeremy

DaveF

yes there is definitly some type of black sealent on factory honda throttle bodys, on the backside of the butterfly (manifold side) the b&m throttle bodys also have this. they recomend not taking it off because it will cause a leak. like the above post.

try some black silicone. and smear it on with a brush..move the butterfly a few times. to make sure it wont get hung up on there. it might work and than again. it might not.