Megane Spooky's RS Megane 225

[andybond]

Quick update.

The car is still running great, not let me down once since I’ve owned it.

Reading back through an old thread, I’m still unsure on the level of tune. It should be making 270hp/lbft but don’t believe it does as the previous dyno figures aren’t showing anywhere close.

I’ve checked for boost leaks and Clip isn’t showing any electrical gremlins, everything seems to be in check. I don’t know what boost I’m running and have read that I should be seeing around 13-14psi (?) psi for my power, who knows.

The car has previously run at the Turborenault Dyno Day rollers so it will be interesting to see what difference a change of actuator makes.

I’ve got no interest in tweaking it any further but if I do decide to hold onto the car, I’ll probably book it in with EFI to see what’s what.

@Spooky RStuning ( the Megane tuning Daddies ) have a groupbuy on at the mo. You will save £100 getting it mapped now and the chaps can do any diagnostic work if something is amiss.

 

[Spooky]

I took the car up to the TR dyno day in Nuneaton that was organised by the Ewok. Great day all round, had a good chuckle and always good to see a car or 2 run some numbers on the dyno.

The drive up caused a couple of squeaky bum moments because I quickly found that the Yokos arent really cut out for shifting large volumes of water...

Anyway, on to the Megane and as I've mentioned before, this car is supposedly remapped to make 270hp/ftlbs, it nearly made that on the dyno...

She made 237hp and 265ftlbs BUT as I've said before, she runs like a dream and for an engine thats just ticked over 108k, I can't complain

There is a part of me that now wants to book up with EFI to actually see what it would be like with the addtional grunt and possibly see if there is underlying issue.

 

[Brigsy]

Looking at the graph (assuming the fat blue line is afr) if that afr is right then its dangerously lean, the operator should have aborted that. Get a sniffer clamp and afr gauge hooked up and check again incase probe was not in the exhaust properly

 

[Spooky]

@andybond I cant get the car up there between now and the end of April - combo of work/degree and holiday put paid to that.

 

[Spooky]

Looking at the graph (assuming the fat blue line is afr) if that afr is right then its dangerously lean, the operator should have aborted that. Get a sniffer clamp and afr gauge hooked up and check again incase probe was not in the exhaust properly

Yea, correct, not sure why I would think thats good

I'll shove my wideband up the pipe and see if that is a true reading, I have a feeling it will be...

 

[Brigsy]

That could be the reason for lack of power ecu might be pulling loads of timing due to knock. Fuel pump might be very tired if original. Prob best off getting it to rst see what they think

 

[andybond]

That could be the reason for lack of power ecu might be pulling loads of timing due to knock. Fuel pump might be very tired if original. Prob best off getting it to rst see what they think

Literally going down that route with Spooky at the mo on conversation ! I am thinking tired fuel pump as well..

 

[Spooky]

The crazy thing is I’ve just bloody turned away a new pump for the car

Will add that on the ‘to do’ list.

Going to run Clip on it again just to make sure the lambda/air mass are doing there job too.

 

[andybond]

£252 from Renault for a genuine part.

 

[Ricardo]

@Mart might be able to help out with fuel pumps

 

[Mart]

~£46 for an o.e Bosch replacement.

Fitted it to mine a few months back & all is good, and just ordered/received another one (for Bill's 225).

 

[andybond]

~£46 for an o.e Bosch replacement.

Fitted it to mine a few months back & all is good, and just ordered/received another one (for Bill's 225).

Are you going to share the part number ?

 

[Ricardo]

PMT part number

 

[Spooky]

Is the fuel filter part of the sender unit? If it is and can't be replaced, I'll bite the bullet.

Failing that I'll go down the Walbro route, they dont need much tweaking to be made to fit the pump housing.

 

[andybond]

Yes, it’s AIO AFAIK

 

[Spooky]

I believe the oe Bosch part number is '0 580 454 002' ? Time to go eBaying/skimlinking

 

[Adey]

 

[Ricardo]

Sell it back to me

 

[Spooky]

Yea sure.

It’ll be driven even less once I’m working away from home and the R5 is operational.

 

[Big Steve - Raider]

the R5 is operational.

Plans @Spooky ? Need a thread up on that car also...