Author Topic: New FD Owner Gloucestershire  (Read 2180 times)

Offline boosted

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Re: New FD Owner Gloucestershire
« Reply #15 on: October 22, 2017, 07:03:45 PM »
Boost pattern std is 10 8 10....could be fuel cut not 2nd turbo issue...defi is a very good boost gauge so can say its accurate?
4500rpm is transistion point whens it loosing boost.?

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Offline Doz_FD3S

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Re: New FD Owner Gloucestershire
« Reply #16 on: October 22, 2017, 07:08:44 PM »
I've checked the plumbing for the defi and it looks all good to me. I did think that it boosts a little higher than the standard 10psi but it soon seems to settle around to 10. It will rev past 4.5k but just feels increasingly more strangled as the boost tails off. This definitely starts happening at the 4.5k changeover point.

Sometimes in first or second it can cling onto higher boost figures post 4.5k but not way up the rev range like a rotary should if that makes sense.

I'll grab some videos when I get chance!

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Re: New FD Owner Gloucestershire
« Reply #17 on: October 22, 2017, 07:09:43 PM »
Worth looking at the ecu.( passenger footwell) stickers from when it was in Japan if its been in a tuning shop over there they usually sticker it up if its had a tune...its in japanese though...if no stickers then got to assume std tune and should not be seeing 13psi....
Need to tread carefully as could detonate above that pressure....defo wanna put V power in testing...

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Re: New FD Owner Gloucestershire
« Reply #18 on: October 22, 2017, 07:11:24 PM »
What do you think Neil?

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Offline Doz_FD3S

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Re: New FD Owner Gloucestershire
« Reply #19 on: October 22, 2017, 07:14:22 PM »
Good shout. Yeah I always run v power as did the previous owner. Well worth a check though as your right don't want to go buggering it up completely!

I should be recorded what inwas seeing before now as that speaks volumes.

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Re: New FD Owner Gloucestershire
« Reply #20 on: October 22, 2017, 07:18:37 PM »
Edit: upon checking my boost gauge peak is @ 0.8 bar or 11.6psi.

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Re: New FD Owner Gloucestershire
« Reply #21 on: October 22, 2017, 07:37:44 PM »
That boost not so bad slight spike and gauge inaccuracy...just puts more confusion in my head whether a 2nd turbo issue or fuel cut...
Try a part throttle pull...4/5 then 2/3 rds throttle if its holds boost then wot is fuel cut...if it looses boost then transistion.
It will be ackward its like trying to nurse the  boost gauge to stay positive rather than burying the throttle in the carpet.


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Re: New FD Owner Gloucestershire
« Reply #22 on: October 22, 2017, 08:20:27 PM »
Yeah that's worth a go. Will give it a try and keep you posted.

It's a shame because I'm soo dam happy with the rest of the car. Issues like this are age related though I guess. All part of the fun in one way!

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Re: New FD Owner Gloucestershire
« Reply #23 on: October 22, 2017, 08:29:42 PM »
Yes mate report back...

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Re: New FD Owner Gloucestershire
« Reply #24 on: October 23, 2017, 09:04:40 AM »
Where all hoses original?
Another thing to check for is the pils are still in place in the front 2 wastegate lines.
92 FD rx7 Twins 13.5psi. Track car
94 Westfield Se 231 rx8 street port powered. Race car
EAT SLEEP ROTOR REPEAT.

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Re: New FD Owner Gloucestershire
« Reply #25 on: October 23, 2017, 09:08:58 AM »
Yep all looks original to me - it doesn't look as if the hose clamps have been disturbed before.

I did wonder about the pills as for the hose going to the wastegate actuator I couldn't see a pill in it?! I did wonder about this - are 1996+ cars different and don't have the pill?! Some research I need to do here. I need to check the hose for the turbo precontrol actuator and see if this has a pill  in it.

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Re: New FD Owner Gloucestershire
« Reply #26 on: October 23, 2017, 10:12:05 AM »
Good question i do not know the answer to that...both my fds have been pre 96 revisions so had pills in.


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Re: New FD Owner Gloucestershire
« Reply #27 on: October 23, 2017, 10:14:48 AM »
Yeah it can be a minefield as most of the UK and US literature on the internet is for pre 1996 cars. I'll do some digging they may be in the nipple on the actuator I can take a look with a bore scope

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Re: New FD Owner Gloucestershire
« Reply #28 on: October 23, 2017, 10:18:55 AM »
Yes info mainly for early cars...bloody complicated too.


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Offline Jit

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Re: New FD Owner Gloucestershire
« Reply #29 on: October 23, 2017, 10:58:48 AM »
96 cars do not have the boost pill.
Do not assume that just because you have fitted a new solenoid block that it will be working perfectly. Your best bet is take your old solenoid pack apart (firstly as practice so you dont ruin a brand new one and secondly for spares) and individually test every solenoid.
Then take apart your new box and do the same. It may just be one solenoid sticking but definitely worth doing.