I agree Andy. FMIC used to be a good way to get figures - not if you correct this way.

I have just managed to get 19 PSI at 7000 RPM in 3rd gear using a 1.35 bar actuator 22 PSI midrange. Works very nicely and I suspect the power will improve somewhat now Previously it was running about 16.5 PSI at 7000 RPM in 3rd gear. Seems to take it in its stride with the FMIC on But really need those 550s before it can go on the dyno so may be delayed a bit.

[Edited by john banks - 9/20/2002 5:30:18 PM]

 

it is a bit flattering to see that my car is still considered a standard . you should have listen to me from the start mate. i would have even mapped it for you


the boost on the graph is what the car did on the rollers. which means the power was at 1.2bar not at 1.35bar as you may think

only ran 1.35bar on specail occasions, like track etc it is a UK car after all.


sam

 

SAM ! You lurker

 

WOW!!

Just think what power figures guys would have got using top mounts when they were seeing charge figures up to 90 degrees!!

Maybe that's why Andy's did so well with his top mount Must have been some heat under the bonet with all that boost...

A

 

Hi Sam, will you map my car for me please ? With your wideband

Of course your car is a standard Sam. It was a great achievement and you did it early on and paved the way for us. Seriously and not *** licking.

[Edited by john banks - 9/20/2002 6:16:50 PM]

 

I'm gettin' the rod oot!!
Could be a good night fer fishin'...



A

 

I was complimenting Sam. I'm out for a Chinese at 1.5 bar, oh no hope it doesn't go like prawn crackers.

 

Alan why do you keep on breaking it?

 

Chomp Chomp...tasty bait

I'LL HAVE YOU KNOW !!! my last runs temperature compensation was..............wait for it >>> MINUS 3.5 bhp I was robbed gov !!!.......but then, when you don't need to cheat to win, why bother

 

Ya big wuss!! We'll never hear the end of it....

If you make his head any bigger it'll no get in the door!!

So Andy....you *lost* 3.5BHP from the window sill in the workshop to the engine bay? sheesh!!

What the hell would you have got if the probe was under the bonnet??

A

[Edited by AlanG - 9/20/2002 7:33:14 PM]

 

Tyre pressures more or less than charge temps?

Damn missed another corner. Maybe I am becoming/became a muppet. The Dougster will not be happy.

[Edited by john banks - 9/20/2002 7:34:32 PM]

 

You got to the corner before me but i'll get ya on the straights!

A

 

i can see where this is heading. have a nice night guys. dont be late to bed now.

 

I quite liked Sam's wideband First to use it for mapping and 333BHP from my old steed, hell i'm almost happy sorry for the getting the wooden spoon out

Barry

 

Barry where was the sensor mounted? Was it in place of your original lambda?

 

John, if you mean the wideband lambda it is a straight swap on my car removing the original from the manifold and connecting the wideband, 2 minute job if cool but burnt hands and 30 mins after a 55 mile drive to Dundee

 

Ah haaaa Baz, if Sam was involved in mapping your car I definately want to check the temperature compensation 'fiddle factor' applied

 

barry's car is a 93 by the way and got 225 at the wheels at 18psi

old cars rule

sam

 

Andy - air temperature was 40 deg, can you confirm if this would affect results

 

Baz
It'll only affect P-norm figures.

Higher the temp, higher the output reading.

Andy had a figure of something like 20 degrees (cause the sensor was on the wall...), so his P-norm figure actually read lower than P-eng

A

 

barry

it means your results are more accurate. i have measure the inlet temps on the rollers. a FMIC is usually around 40-45degrees and a top mount usually around 50-55 for the first run and it gets higher after that

the higher the temp value the bigger power at teh fly wheel figures.

john
are you really running 1.5bar !!! mapped withiout wideband lambda reading! that is just asking for trouble

 

<<walks past noticing above thread>>
"Hmmm...1.5 bar eh?........wonder how the clutch and gearbox are getting on......"
<<walks out the room shutting the door behind>>

 

1.5 bar without a wideband........yea shocking

 

<snigger>

What's wideband?

A

 

some sort of a big belt to wrap that i wrap around my big waste


however it also has got some other uses. :P


andy what power did you get at 18psi


sam
fly fishing for the day

 

Baz

I actually agree with Sam on two counts
Firstly -
Your figure with a temp of 40 C is probably quite accurate.
Your P-norm will be approx +3.3% above P-eng with this correction.

Mike's correction IMHO is a bit high at +7.3% and mine was a bit low being minus something !!!

For what it's worth -
If I had the same correction temp as you, my P-norm would be 381
If I had the same correction as Mike G it would be 396 ....nice !

In reality my temp would have been somewhere between yours and Mike's.

Secondly - Old cars rule

 

Spam

My April Star run produced 349 bhp at 5600 rpm, at which point the boost was 1.3 bar.....that's erm 18.8 psi


chomp chomp


ps that was 263 PAW

pps I only run 19 psi at knockhill.....seems to be adequate

chomp chomp

[Edited by Andy.F - 9/21/2002 12:52:33 PM]

 

Why use more than is necessary I say....

A

 

More what ? Bait ?

Sam, could you explain, in laymans terms what your wideband could do to improve my cars lack lustre performance

[Edited by Andy.F - 9/21/2002 2:23:32 PM]

 

can you tell for sure what your car is running?