Jump to content
SAU Community

Recommended Posts

  • Replies 147
  • Created
  • Last Reply

Top Posters In This Topic

Top Posters In This Topic

Posted Images

lol, bman you are in a dangerous place right now. taking relationship advice from Mark may not be good for your health... :cheers:

get stuffed

my advice is perfectly sound

take it from a man with experience

ive been single for 24 years!

  • 2 months later...

Nearly there now - maybe a week to go. ! yay

Engine is completely rebuilt - fully dowled - and back in the car

Injectors are in

Fuel pump is in

Turbo manifold and pipe work is currently being manufactured

I'm getting excited again !

20B-build.jpg

Ha ha - Yeah , Yeah - that quote was before I decided to go the whole hog with the engine rebuild. (ie just the go fast bits bolted on)

I'm used to it ! Good work takes time !

My cars seem to like workshops :) :) ;)

Not long to go now !

Adrian - where's the best place to get the Auto tricked ? It's a Jatco ! Same as the 300ZX box - Will go for manualised auto with 3000 RPM stally -

Do you reckon I should go a transbrake as well ???? :)

Ordinarily I'd say Steve Butchard from BMS as he makes fully manualised, normal (forward) pattern, NO ELECTRONICS modifications to JATCO's. He makes a transbraked valvebody for them that is the shiznit.

I don't know how seriously you're going to want to drag race the car so unless you plan on putting slicks on it and turning into a rotary drag nut, I wouldn't bother with the transbrake.

You should make a call to MV Automatics in S.A. and speak to him about the manual valvebody he does for the JATCO's. If it's the 300ZX box, it's an RE403A. Exactly the same valvebody as a Skyline RE401A and in fact, most of the parts are interchangeable. (403 will handle more torque than a Skyline/WRX 401A but the larger components absorb more power. A reasonable trade-off in the circumstances.)

If Mike at MV can build you a box that is:

A/ Completely manualised

B/ Fitted out with tough steels, bands, clutches, etc

C/ Refurbished and re-bearinged (is that even a word?)

D/ Equipped with a converter of his manufacture

...then I'd say go with him for the box. He certainly knows his shit when it comes to JATCO's and although there isn't a transbrake option with his modified valvebody (i don't believe anyway) and the over drive (4th) gear will be a function of an electronic switch (possibly like it is now) it is almost certainly the best way to go about strengthening your box to handle what you're about to feed it.

Cheers,

Adrian

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now



  • Similar Content

  • Latest Posts

    • Ok cool, because I do have some OEM BMW options for light(er) wheels. 17x8.5 M Sport wheels are 11kg and I could put 255's on them. Maybe that's an initial test.
    • So, in the effort of pulling apart airboxes and testing enclosures to see if this aids in MAP loss at WOT I noticed: 1) The ducts up the OEM intercooler holes from the front bar help IAT drastically, whether the pod is shielded from the engine bay by an airbox missing a lid, or an airbox WITH a lid. Plus you get more induction sound without the lid. Having half the airbox (with no lid) acting as a barrier to the headers seems to help. 2) For shits and giggles I checked the TB. This was full pedal travel. This is actually full travel of the TB. Photos aren't perfect, but there was definitely an amount of play in it and it wasn't against the stop. After much swearing and adjusting the pedal, I realised that the cable is actually too long for the skyline pedal travel to fully articulate it. Having the pedal adjusted so WOT was actually hard open on WOT resulted in an idle of 3500rpm. As an aside, this was also the TPS registering at 3.1%. I removed the above to give the pedal enough travel to actually fully open the TB. I now get a satisfying 'thonk' on full open and full closed which you can hear pumping the pedal as it hits the TB stops (with the bonnet open and intake back on). Luckily for me, the screw screws into a raised metal boss under this plastic piece that is now acting as the new throttle stop. I've gained about 20mm (ish) of pedal travel and I can move it maybe a mm or two post open-thonk before it's hard against the stop. After all of this I did a bit of road tuning because a 102MM throttle is sensitive. The difference between holding an 950rpm idle and instantly stalling is about 0.4% of TPS movement. Will that help? I suppose it can't hurt. I set 'closed' point back to where it was, I can definitely feel the extra pedal travel that is needed to actually open the TB fully. But this morning I dropped the car off at Paint Jail again, so who knows when this will re-eventuate out to see if it helps with the top of the dyno hitting a ceiling.
    • Take heart that everyone else seems to have found a way. The OEM S1 indicators do slot in pretty firmly. It may simply be a case of having them sit slightly looser and nobody actually ever noticed this when attempting to remove a indicator from a JSAI bar :p
    • If the original NA ECU has a separate TCU then you are going to need to reroute wires that used to run between the trans and the TCU to the appropriate (1 to 1 equivalent) pins on the ECU. Other than that, it should work. Look up posts by @Kinkstaah on the subject.
×
×
  • Create New...