Opinions on inlet manifold and fuel system

[travellinbob]

heh, heh, heh, welcome to the dark side. As an australian living in the uk i find it hard not to cruise the ausrotary forum to see what bargains i acn pick up with the british pound being so strong.
 Although I must say that whenever i can i find it good to encourage and buy from local suppliers.

[MikeLMR]

I try to buy locally if i can but its hard when no one makes the parts you would like and for the cost of some bits its hardly worth the hassle getting them made.

[MikeLMR]

a little progress, I have respaced my throttle bodies to suit the fuel rail (90mm centres) but have found that the manifold is actually spaced 90-94-90 (ish) which is slightly annoying as it means all 4 TB\'s will be 2mm offset one way or another.

piccy below

[MikeLMR]

I also scored some ZX9R Intake rubbers on Ebay for £10. I\'m not sure if I\'m going to use them yet as they are very slightly undersize for the TB\'s. The bolt pattern is nearly the same as a DCOE manifold but the orientation is wrong. I am thinking about making some adapter plates but to be honest it wouldn\'t be any more hassle to sort out some plates with tubes welded to them. (anyone got any ideas where I can get them made ?)

Not sure what to do with the spacing either, I\'m tempted to dump the 323 rail and go with a custom one and space them to suit the manifold, it would solve the mounting bracket problems too.

piccy

[MikeLMR]

think i have given up on the M/C inlet rubbers, they are never going to fit as well as if I have my own made.

The current plan is to have some machined up out of alloy and use a fuel resistant loktite adhesive to bond/seal the the throttle bodies to the adapter. Well thats the current plan  ( what do you mean I\'m indecisive !)

Got a few prelim drawings out for quote at the moment (see attachment)

[bill shurvinton]

If you want I have a set of 4 flanges like that I had made up.

[MikeLMR]

yep I\'m interested , what size are they sized for ? the above ones are very slightly smaller than they need to be for the 750 TB\'s  to allow for some fettling once they are bolted together.

[MikeLMR]

Got a quote back from the local engineering place, £32,75 each if I get 4 done or £21,74 each for 12 off

I might try a few other places to see if that competitive or not, anyone got any suggestions where to try (going to have a check round some more local places tommorow)

What size/style are the ones you had done Bill ? at this rate I may as well call it quits and chuck £80 into the buy a lathe fund and make them myself.

[bill shurvinton]

Sorry haven\'t had a chance to reply to you.

Mine are DCOE flange like your drawin. Need a little fettling, but £10 for 4.

[MikeLMR]

Sold don\'t mind doing some modding.

[MikeLMR]

Flanges have arrived, now planning some mods to them and trying to select an adehsive that will work.

Thinking about using this ... http://65.213.72.112/tds5/docs/HYSA9460-EN.PDF

Its stable in contact with petrol and various other fluids (tbh the area in contact with small amounts of fuel will be miniscule anyway) it\'s plenty strong enough for the job but i will check the stresses first. The only thing it is marginal on is the temp at 100 degree\'s. I\'m not sure what temps I will be seeing at the the TB flange so I\'m a little dubious

[MikeLMR]

have now aquired some JB weld so I\'ll see how good it is ... the Americans seem to use it for everything !

Specs look good and its cheap, alegedly good for 300DegreesC!

[MikeLMR]

just a quick message to bring this back from the depths and to say its not dead just moving slowly (as with most things I do )  hopefully things should pick up a little in the new year

still got to find a fuel pump and currently debating about the fuel rail as I don\'t think my scrap parts freebie will work due to the spacing of the manifold.

I have been considering making my own but I\'m not sure if I confident enough about machining the threads for the fittings on each end ... somthing along these lines.

[MikeLMR]

some more parts aquired, found some 1 7/8" 10 Gauge alloy pipe for welding to the flanges as stub pipes.

[Richard]

Hey Mike good work here:)

Just thought you\'d like to see my set up for the four banger in my 1000., using GPZ1100 bodies. Like yours its a long term project



Spacing was very nearly spot on. Theres a very slight bend through the mounting plate on numbers 2 and 3 to get them lined up with the ports.
 The intakes are long as they have to clear an integral thermostat housing that goes next to the distributor. The rubber joiners are 616 top hose:eek:
  These are first gen TB\'s where the injectors were fitted as part of the airbox, but since this pic I\'ve got some second gen ones which have integral injectors and fuel rail. Easy
  I\'ll probably end up getting it all welded up and fitted , and then take it all off as I dont want to spend the money on a ECU and rolling road time.
  Tight a$%e - who said that??:rollin

Good luck with it mate

Rich;)