7 porter progress, Engine build Number....seven?? ....now K1200
Turbo Mini Forums

when you get that turbo plumbed in that orange cover may be an issue

Loogs good mate!! I really like that display. Dont take me the wrong way, but it looks a tad small. I fitted a larger display because as you were driving along, the bumpy ride of the mini made it difficult to focus on the screen, you end up taking your eyes off the road far too long. Just dont get into the situation that you are doing that

go for a grey cover ........orange will let go

Grey seems good for me at the moment!

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1/4mile in 13.2sec @ 111 terminal on 15psi

remember this is only the test engine, and is running a std box.

its going to be limited to 10psi absolute max, less if the clutch slips obviously.

your right sprocks, the display could do with bei ng bigger, i have sepperate gauges for stuff i need to look at ie lambda, boost, IAT, the dispplay is just handy to edit the Map.

clutch wise i'm hoping TD will come up with somthing by the time the other lump goes in.

well, no clutch slip,

starts making boost at about 2k and is making proper boost by about 2.5k pretty good for a gt25!

Nice one! Hows about the MOT?

Have you considered one of Roberts clutches he's running in the 13's with 104mph (or there abouts) terminals mus be close to the 200bhp markand has no clutch slip?

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1/4mile in 13.2sec @ 111 terminal on 15psi

tyre place cocked up and got the wrong tyres in, they have just rung to say they now have the right ones, but the gas man is changing the meter so can't get them fited til the morn,

MOT is booked for 2 tomorow.
car is insured, just waiting for mot and tax then i can get mapping.

theres a thought, Yes a modded verto would be a good option, even if only temporaraly,

someone else is running one but I can't remember who. Bat maybe?

Still got the old ap plate...only good for afew miles though before you hit rivets, get you out the crap.

tis legal!

just been for a bit of a jaunt to find any teething problems,

it has developed an oil leak from the timing chain end somwhere,

one of the boost hoses keeps popping off where its cut a bit short, i think when i shut the throttle (no dump valve yet...)

Have a misfire that appears when you wind it up to about 60-70, it starts missing and carries on after you lift of for 15-20 seconds, then sorts itself out, I think its rich enough according to my narrowband and dosen't seem to be pinking, but probably dosent help that an 88 degree stat seems to have found its way in so its running a bit on the hot side.

one weird thing is the capilery temp gauge seems to jump about in relation to the throttle??

got some pics joe?

cool pleased to hear it passed ok! well done.

well,

got the LC1 back on and done a couple of datalogs, i thought i was running about 7 psi boost, but according to the log i hit just over a bar this morning during a quick squirt in 2nd!!!

here is the log of that squirt. notice i bottled before full throttle lol.

coming on fast now mate. Well done. It looks stunning. I must pop over and see it again.

I never thought I'd live to see this on the road.

In the 13's at last!.. Just

Lathe looks familiar, I'm having to make an adaptor up for my Hypatechs as they have recesses at the gudgeon pin locations so won't go in the three jaw.....
Been working (or should I say thinking...) about it for the last 6 weeks, such is my progress.

How much did you machine out, not just cc's, but how much did you thin the thinnest part - that is my dilema, I may have to go down to 4mm at the lowest points, although the majority will still be 6mm.

Schrödinger's cat - so which one am I ???

bloody well done ,really interested in the vnt stuff ,should be good .

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM

Rod,

I have taken them out to 17.4-5 cc

Mounting pistons in a lathe is a PITA as they are a funny shape, I think a mill and a rotating table would be better.

for the hypertechs could you bung them in a 4 jaw chuck, I happen to have one for the clarke lathe, could post it up if you get stuck?

not sure how thin i nhave machined the crown but like you i measuresd it and decided it was thick enough across 3/4 of the crown so should be ok,

I have basicaly taken the deepest point of the dish outwards parrallel witha slight radius and angle at the outside edge, the top point of the dish is 60mm diameter as it started. I'll have a measure tomorow and see haw thin the thinest bit is, i think its 5mm.

also as i'll be runniing oil jets the piston strength should be helped.

robert,

the vnt seems to be working ok,

a few pages back there is the pic of the actuator with the vacum port that sucks the vanes open and the bressure one that blows them open,

at idle the manifol vacum is enoug to suck tha vans about half open, under any kind or deceleration the vane are sucked fully open,

I realised the otherday that under any kind or boost both sides would be pressureised and the vanes would stay shut so boost would runaway (until the second wastgate opens) so i added a oneway valve into the pipe fron te vacum port,

now under cruise (vacum) the vanes are open nail it and the vanes will shut until a the turbo starts spooling then they start to open, let off and they will shut momentarily then open fully eliminating back pressure in the manifold.

doesnt the one way valve trap vacuum in the canister holding it open ?

Medusa + injection = too much torque for the dyno ..https://youtu.be/qg5o0_tJxYM

Schrödinger's cat - so which one am I ???

I'd like you t come along mate. It would probably be the only chance you'll get to see it running, with the luck I've been having.

In the 13's at last!.. Just

robert,

the vac side of the actuator isnt a perfect seal, similar to a guide seal, as thats what i used to seal it.

Rod,

i cant see that being an issue, i'm guessing the 4 areas are close to the pin bosses anyway so are well heat sinked at that point.

if you need the chuck pop down.

Garry, all the agro will be worth it!

at least thats what i keep telling myself...

Popped round Joes today to see the mini progress. Very impressed with the home made parts & to see the old girl running. Went out for a spin....blimey!
Nice TIG set too! lmao

lol,

2 figure boost next time!!