Throttle Bodies
Ezekial
Quote:
In case anyone wanted to know ...
CB70 1.0 throttle body = 34 mm
HC-E 1.3 throttle body = 45 mm
HD-E 1.6 throttle body = 50 mm
HE-E also 50mm
Swift GTi throttle body = 45 mm
VL 3.0 throttle body = 53 mm
XF Falcon throttle body = 65 mm
Other
CB90 1.0 throttle body -= 34mm
Toyota 1600 4A throttle body = 50mm
Ruaraidh :- CB70/80
Here are the pics during construction. The idea was to fabricate the flange
and inlet for a 52mm throttle body (from a European Ford Escort RS Turbo).
I also made adaptors for the GTti throttle cable and TPS.
1) Cut off the whole inlet tube (flush to the plenum)
2) Take a piece of aluminium pipe (2" dia)
3) Put one end in a vice and squash it into an oval shape of the same height as the hole left
in the plenum
4) It now needs to be cut at an angle to bring it forward at the same angle as std. Look down the
pipe and angle it forward, as you do this you'll notice that the edges now line up (front and back)
whereas if it's put on square the pipe doesn;t over the whole hole in the plenum.
5) Cut through the pipe at this angle. This is now ready for welding
6) Draw a plate to match your TB It's a square plate for the RS turbo one with the holes on a 45(?)mm
centre drilled through. A 50mm bore is on the centre of the plate. The plate should be about
10-15mm thick.
7) Weld plate to pipe
Pick the tube you cut off the plenum out of the bin and cut the bosses for the pressure tapping and the air temp sensor out of it (drill round then cut out). In a lathe or in a a vice with a file, make these nice and round and
with a chamfer where they meet your new plenum pipe. Weld to the pipe then drill through afterwards.
9) I'll post a jpg of the TPS adaptor for the RS TB to mount the std TPS to the new TB.
That's it. I'm still sorting out a replacement warm up air circuit from Bosch but as it's summer (nearly) that can wait!!!
HTH
R.