throttle body stripping and cleaning

[ek4vti]

Hi has anyone stripped out a Honda throttle body?
I have taken the disc bit out
but the butterfly shaft thing with the spring will it be difficult to put back
together?
Also how about rounding off the edges of the disc would it be pointless for light throttle?
It is a 62itr tb

 

[rs250nut]

You can cut the screws down and thin the throttle shaft a little, maybe put a knife edge on the leading edge of the butterfly but be cafefull as if you go to far the throttle will not seal and it will mess up your idle.

 

[justingoldie]

pretty pointless tbh. Won't see no gains!

 

[ek4vti]

with the car off road just finding things to clean lol
getting bored badly even put the inlet manifold in the dish washer!! come out alright

 

[rs250nut]

pretty pointless tbh. Won't see no gains!

ok then , when you have some real world experiance come back.

Dishwasher is bad ass for cleaning car parts, just dont let the missus catch you.

 

[ek4vti]

tell me about it have to wait till asleep lol and wake up before her lol

 

[qais_vtec]

i knife edged the plate, cut one side of the shaft and thinned the other side, flushed the screw bottoms (NOT the heads incase you ever need to open it), bell mouthed the opening and rear closing and finished it with a very fine (p1200) paper. by cutting one side of the shaft and reducing the screw bottoms it is obviousley going to allow more air in slightley faster than the stock 62mm itr TB because of the reduced area/obstructions. i did notice a slightley better throttle response and abit (tiny) more top end power from the 'butt dyno'. bear in mind that my engine is quite modified but on a stock engine you may not notice anything unless you measure it on the dyno with a before and after session. dont quote me on this but i think it turned out to be the equivalent size of a 64/65mm TB.

one word of advice is that be very carefull while knife edging the plate or else youre stuck with a fast idle or going to have to replace the whole thing!

 

[qais_vtec]

pretty pointless tbh. Won't see no gains!

why do you say that? fluid dynamics is a proven science, when you change speeds, diameters etc of a system, its impossible for the engine system to not be affected by output whether you lose or gain and where you lose or gain be it tiny or substantial..