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General Technical / optimum placement of wideband sensor?
« on: May 06, 2020, 10:51:32 AM »
So the mx5 aem wideband is in to me a strange location.. its pretty much level with the back wheels. Where is the optimum place to put it ? Car is turbod so thinking at end of downpipe just as it starts to go along under carriage. At the moment its on a crappy base map and showing lean on idle 22afr but its rich.... :icon_thumleft:

Rotary and General Chit-Chat / Lockdown rust treatment.
« on: April 17, 2020, 10:41:20 AM »
Just an endorsement for a product ive been using on my mazda for years...
It works and is easy to use.
Something todo cheaply whilst bored in lockdown.

Metalmorphises rust treatment.
£20.00 for 1 litre.
Ive done cills arches engine pullys brake lines brake ferrulles boot floors with this stuff.
Its mega...goes on like milk, splash it about, syringe into cills
Ive done 3 mx5s my fd my neighbours rx8 my shogun and scooby with this stuff.
Gets my vote! On ebay! British product!
Its goes on white..turns blue whilst working...then goes a nice shiny black when dry.
A few brown rusty pics before and black shiny after.
Weve all seen rx8s that look like theyve been dragged up from the deck of the Titanic...5s are the same...this transformed neighbours 8.

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Rotary and General Chit-Chat / Take your pick?
« on: March 17, 2020, 04:32:32 PM »
New versus old. 33 yrs seperate them...his n hers.

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Rotary and General Chit-Chat / Turbo questions...
« on: March 17, 2020, 09:26:31 AM »
So the mx5 had a chinese t25/28 turbo fitted with external wastegate...
1  why external...better control bigger less chance of over boost?
2. T4 T25 T28 inlet flange the same same?
3. Im trying to spec a decent turbo suited for fast spool circa 12psi of boost...
For around a grand...gt2680rs Garrett is what im thinking...the borgwarner efr range are 1500 plus...
Stock rods give up at 270bhp...what would be considered safe margin? 250bhp?

Im hopefully getting the damaged turbo as was not with car on pick up...this is how it looked on car...

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Rotary and General Chit-Chat / mx5 rx8 powered race car.
« on: February 23, 2020, 09:09:55 AM »

after disappearing for a few years its back!!

Rotary and General Chit-Chat / Awesome film.
« on: February 16, 2020, 09:08:32 PM »
Story of americas first black indy 500 racer. Willy T Ribbs.
Its awesome up there with Rush.

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Cars for Sale / wetsfield rx8 powered!
« on: February 09, 2020, 01:25:51 PM »

Rotary and General Chit-Chat / Problem solved...
« on: January 10, 2020, 01:39:24 PM »
I have a solution to all my problems...

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New to MRC - introduce yourself / new members!
« on: December 07, 2019, 03:31:45 PM »
Ive approved a few new members recently!!  :great: :13:

dont be shy post a hello and piccys if poss. This is real chilled out forum  :love4:  for sharing the love of all things rotary.

ta Jon

Club Photo and Video Index / Sealion rotary.
« on: December 04, 2019, 01:00:54 PM »

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