Pelican Parts Forums - Project ITBs: Part 1-parts arrive

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I have been thinking of a setup like this.
Definitely subscribing :)

I picked up a complete dual plug Tec 1 setup for a very good price, so I will be using that. I was think MS, but then this system came up, and it was very close to the MS cost once you added the sensors, and ignition components.

I will replace the washers with spacers, the standoffs for the fuel rail that were on the TB are long enough and the right sizing.

For injectors I am using a set of Acura/Honda injectors, they are the correct size to fit the bungs on the TB's as long as you use the Suzuki o-rings. And I picked up a complete set on e-bay for $130.00, they are available in just about any size you want as the Honda crowd is forever replacing, up-sizing as they turbo/NOS their motors. Quite often almost brand new from a blown motor ;)

I am going to try the throttle position sensor that is built into one of the throttle bodys, it is a three wire, and seems to be within the same range of resistance as the Bosch one I got with the TEC unit.

Just filled in the holes left when I removed the upper throttle plates with JB weld. Once it is dried I will sand and polish it down. Then onto fabbing some linkage arms.

Oh, and one of the manifolds I bought was from a sportamatic so it was drilled and tapped for vacuum fittings on 2 of the runners, I did the same to the other as the standoffs are there, just not dilled through, just need to drill at an angle into the manifold.. That will be my vacuum source for the MAP sensor.

The thottle bodys have vacuum ports as well, but I am going to use those for Idle Air as the are located directly under the throttle plates.

http://forums.pelicanparts.com/uploa...1175638483.jpg

and fuel injector rails.

I may need to play with the length of the linkage arms but I made them extra long so I can try different hole positions to match the butterfly movement to throttle positions, but I do have a full range at the moment. I just mounted everything on the motor for mockup purposes and stuck a set of air horms on top to see what it would look like.

http://forums.pelicanparts.com/uploa...1175638515.jpg

http://forums.pelicanparts.com/uploa...1175638532.jpg

http://forums.pelicanparts.com/uploa...1175638559.jpg

http://forums.pelicanparts.com/uploa...1175638579.jpg

Next step, create the wiring loom for the injectors. Then pull the existing motor out of the car, put in the return fuel line, pump, filter and pressure regulator and insert new motor. Just need it to warm up enough around here to be able to work in the unheated shop on the car.

We need an update!!!!!

sub'd Need to read the rest of this one...

this is a great project

Sorry no progress, the summer has been taken up with house work, not cars. And I am off to Italy for 4 weeks in a few days. I figure that I will be getting back to the car this fall. Not to mention that with all the delays I am not going to be trying this out on my old 2.4 first, rather I will be building up my HO 2.7 and installing on that. So most likely there will be no updates until late in the year. But I will post when I do further work.

Quote:

Originally Posted by jmz (Post 3504934)

sub

JMZ
Would you please send me details ,price and some pictures on your A37 Yawl.My e-mail adderss is szhart@sympatico.ca
Thank you and best regards
Steve Hart

Subscribing as I am looking at adapting a set of GSX1300R Hayabusa throttle bodies and Mega Squirt II to my '87 944 S.

Keep up the good work and keep us posted.

Speedy:)

Now I'm on a similar route, I have bought throttle bodies from a Suzuki TL1000s (1000cc V-twin) for my 3.2 motor :).
They are maybe a tad to big at 48 mm, but they where available and cheap, and that makes up quite a lot in my book (read wallet).
Being a big v-twin at 125hp, I think I can use the injectors and that makes it even cheaper.

When I figure out how to mount them I'll post some pictures.

Safe,

I cant wait for your results...and updates on this one...

Time to post some pictures I think. :)
As I posted earlier I found some throttle bodies from 3 Suzuki TS-1000.
It's a 125 hp 1000cc v-twin bike.

The throttle bodies, as they came. Note the left and right (actually front and rear) body are not exactly the same. The left has the throttle cable "thing" and the right has a TPS, internally they are the same.
http://forums.pelicanparts.com/uploa...1201887845.jpg
Disassembled
http://forums.pelicanparts.com/uploa...1201886485.jpg

The lower part of the body was a little offset, so I had to be creative with the manifold. The flange was cut out on a water jet.
http://forums.pelicanparts.com/uploa...1201886513.jpg'

Had a flange cut out with the 3.2 plastic spacer as a template.
http://forums.pelicanparts.com/uploa...1201886550.jpg

The pipe between the flanges a just a common exhaust pipe that I cut up and welded back together to get the taper to match the port. Don't laugh at my welds I'm a newbie!
http://forums.pelicanparts.com/uploa...1201886781.jpg
http://forums.pelicanparts.com/uploa...1201886815.jpg

Finished! Later I had someone who I handy with a TIG to weld up the pipe to the flanges (not shown in this picture).
http://forums.pelicanparts.com/uploa...1201887106.jpg

All six fitted to the engine.
http://forums.pelicanparts.com/uploa...1201887144.jpg

Next job is to make some sort of linkage to connect the 3 bodies on each bank to each other. Not sure how to do this yet, my original plan failed, but I have a backup that I will try this weekend if I get the time.

When that is done I will use a cable set up from each bank to a bracket and connect them to the stock bell crank on top of the engine.
Using cables I will be utilizing the progressive throttle opening feature on the throttle bodies.

Fabulous - whatever you do, do NOT keep track of the hours you put into this project...

Man, this is looking so awesome. Great work. On your stacks, if you really wanted to snaz them up, maybe you could find a good machinist to get a jig set up on a lathe so you could take the rough edges off and then sand and polish. But then again, who cares, they look great the way they are... Nice work!