E30 Zone

Only over there saturdays and some evenings. Give me a shout when you need it doing and i'll make sure i'm there.

Can weld that up for you no probs. Will cost you a bacon and egg roll from the local burger van though!

If you need a hand with any ally/stainless fab work give me a shout.

Thats built and long gone.

I've been flat out recently. Some of the fabricated bits i do for cossie engines have really taken off and i'm struggling just to keep up.

Keep thinking i might see you at one of bbbs barbeques but you never turn up. Is the E30 on the road still?

You should be very careful how you word your advice and be 100% confident from experience. You could have cost him his engine.

If it went lean (I don't know any figures your comparing it too) it means you have more air than fuel. If dangerously lean it will detonate under load so not good, ideally aim for 14.7 AFR to start off with, beware around peak torque as this is where changes to spark plugs become most evident! Don'...

Doh, yes the 12v 6 pot iron block lump.

Surely that 2 valve head could do with some improvement?

Does anyone have some existing flow figures @ 10 or 28" H2o?

Where do you guys get your heads gas flowed?

Any recomendations? Prices?

Specifically interested in M25 and M42 heads.

Thanks,

Doug.

There is a paintshop next door but unfortunatly Ross isn't going to be there this time.

Is Pete the P100 retro enough?

You got those flanges for me to sort yet?

Try Ross at RH Propaint. Give him a bell on 07787 556347. He is in north Essex right next to Big Bavarian Beauties (E30 Breakers) and has very competive rates for good quality wheel re-furbs.

In fact grant the fabricator made the barby

I'm there and Grant the fabricator from across the road... and Ross the sprayer from next door.

I had better get to see the turbo beast this time!

google allstainless ltd

They do all stainless reducer sizes in 1.6mm wall. Online ordering as well. Should be about a fiver.

You can run as lean as you like on cruise. With a nearly closed throttle there is not enough energy in the burn to do any damage.

Jhonno wrote:ah gutted, cant do Fri's

Nevermind, there is always one, n its me this time

Im wondering if this venue is where my GTE went to be fragged, there were a few units on the site..

Was it a red 8v? If so then yes.

I'm coming. Is it this Friday??

They are next to my mates bodyshop, my other mates machine shop and my bro in laws fabrication shop so pretty easy for me to find

And i wanna ride in your car Marc.

Doug.

That looks like an awesome car and must be great fun to drive now. Top work by Ant. Its just a shame that there is naff all room down the side of the M20 as i'm sure a decent tubular manifold might get that turbo spooling up a couple hundred rpm earlier and probably hang on to its power a bit longer...

Yes i see your point, but its only valid on cranking pressure. Static CR is not a measure of cranking pressures or cylinder pressure at any other point. It is a ratio of two physical volumes. How much you fill those volumes is what most people refer to as your dynamic CR. A thicker HG changes both ...

[Maybe he's still using standard head bolts which will not only stretch under boost but because of this fat plate between head and block won't engage fully in the block threads. He's using 12.9 grade non stretch bolts, like Dimmy, Erel, myself, Ant, Fowler etc Hass's are also 160mm long which means...

Show me an engine making reliably 40-50% more power with a decomp plate and a stock head gasket . Oh thats right you cant. Oh but I can! http://i33.photobucket.com/albums/d90/Garage19/P1010027.jpg If you can make out the numbers it reads 298.5 bhp up from an original reading of 194 bhp. If my maths...

If you had a spare head we could put a bandsaw through it to check material thickness, get another chamber 3d scanned, put it into solidworks for me to change, and then re-shape on a CNC mill.

What is the bore, stroke and CR of a stock engine with an 885 head casting?

I have never seen a decomp plate used on a YB in my life??

You are right about re shaping the chambers though. Much more do able on a two valve head.

Hmmm, the comment about Cosworth YB's says it all really. winkeye Does it say that I helped build, and mapped the fastest BMW engined E30 at a the PBMW brunters thrash a few years ago??? Mate, I helped build an engine for an Audi Quattro that won the 1/4 mile at GTi International. Yes, I washed the...

Decomp plates are just horrible - what a bodge up. An oversize gasket is the way to go. I'd be wary of taking meat out of the piston crown on a Turbo engine, better to take it out of the combustion chamber. Interesting comments but probably crap again! Can you explain the mechanical advantages of a...

Maybe your customers are penny pinching scrapyard merchants mines are certainly not :D Hmmm, the comment about Cosworth YB's says it all really. winkeye Does it say that I helped build, and mapped the fastest BMW engined E30 at a the PBMW brunters thrash a few years ago??? Not that cost is everythi...

Going under apparently. I have sewn some seeds to see if they want to do a cash deal out the back door on their RR before the liquidators get their mits on it but i doubt anything will come of it! Their overheads were massive and they only had one guy on the spanners to earn the bucks. Was easy to s...

Messy!

Fozzy, You are welcome to pop round mate. I'm in the workshop pretty much all day every saturday. Will be firing up my latest creation this weekend too. Prob best get a power run in sooner rather than latter with LPS. I think you will find they are not going to be around much longer. Neasrest RR aft...

Decomp plates are just horrible - what a bodge up. An oversize gasket is the way to go. I'd be wary of taking meat out of the piston crown on a Turbo engine, better to take it out of the combustion chamber. Interesting comments but probably crap again! Can you explain the mechanical advantages of a...

agreed. anyone heard of 'squish' in the combustion chamber? remove it at your peril... unless you like detonation and burnt rings Crap!! So you have mapped a car with no squish? Experienced early detonation? Squish can be beneficial and has an effect on burn speeds but remove at your peril???? For ...

The proper way to use a decomp plate is to chemically weld it to the block then sleeve the cylinders :roll: You will never have a reliable car with a turbo attached the way you are going. I would suggest you get a custom multi layered metal head gasket to bring the dynamic compression down. Andrew ...

I do see things in the real world.... don't see Mountune building their engines on a concrete floor do you. You are right, they might not "blow up" but all that fine swarf will play havoc in your engine. You will end up with blow by, an oil pump that isn't as effecient as it should be and cams that ...

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