Pauls supercharged rocket build

[Paul (madeye)]

glad you noticed mate, need to put the RS box, flywheel and AP clutch on

[Deleted]

Just a quick idea about building an IVA compatible car regards to your engine spec. It will be awkward but I'd build it with stock camshafts, and stock injectors, anything to ease the emmissions test. Once your run in period is over, and the test passed, swap the cams over. Bear in mind on the blacktop you will have to shim the followers unless your converting to hyrdaulic. The profiles of the cams can be different regards to this. The cam swap would be straight forward later on in situ.

You've probably already thought if this though;)

[Paul (madeye)]

the problem with that is the double costs in mapping, im just going to get the fuelling done with multiple maps. omex 700 can do.
strangle the hell out of it and cat it to death,
then switch maps and let it breath straight through..
well thats the plan so far. ill see it its feasable when im closer down the line.

[Deleted]

I'd run an low emmissions map that you've put on yourself purely for IVA test, then decat it, and pay for the finer tuning.

If you're ever up this way, we can do some wide band data logs, I have an innovate lm2 stand alone. It's a handy tool;)

I'm also sure that omex can run a wide band closed loop idle, and should keep the mixture in check.

Pretty sure RTR have a stock of base maps;)

[ollieballs]

there is a neat little trick to getting through an emmisions test:
for a lambda sensor to work to full potential it has to get to 85 degrees within the 40 seconds running time allowed before the exhaust gasses are tested; by running the car (and revving the bollocks off it to get the heat up) 5 minutes before the test it will ensure the lambda is nice and hot and your fueling is kept right.
a good mapper can map economy and emmisions up to 3000 revs ( the test is taken at idle) and can build power into the upper rev range on the map. that way its boring when it needs to be and an animal when you tell it to be.

[ollieballs]

also if you have an EWP controller from davies craig (or one similar) set it to the hottest setting. as a rule of thumb hot engines run more economic while cold ones run more power. in this case we want the economic route with nice completely combusted fuel

[Deleted]

I have an ewp, and Davies Craig pump, plus my ecu can run it if required. Maybe a worthwhile ebay hunt/investment Paul.

[Paul (madeye)]

i have been advised against them TBH

[Deleted]

Hi mate, as you have mtx75s from rs, and normal, can you compare release bearings between the two.? I understand the RS box uses a different clutch cylinder than the normal one. Can you look at part numbers if there are any, or any visible differences. It seems there's an RS tax associated with any parts

[Paul (madeye)]

I'll take some pics for you and have a little investigation for you mate.

[Deleted]

Thanks bud, I assume the dimensions are identical, however, the volume may be different due to the extra force required to release the clutch. Speaking to AP last week, it's 1200kn to release the organic, and 1400kn to release the cerematallic.

I'm trying to justify spending 70£ on a release bearing lol.

[Paul (madeye)]

Couldn't that be done with a master cylinder? A 0.75 for instance?

[andybaird]

Hi Mark

What is the temp sitting at.


Cheers
Andy

[Deleted]

The master cylinder size doesn't matter to me, I'll just man up with my left foot.

My concern was its shape/dimensions in relation to the ap clutch cover. It may be a certain taper etc

[Deleted]

Did you get chance to measure the release bearings?