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[varg]

There's nothing special about an M20 bottom end, any machinist that can handle a cam-in-block american V8 can handle inspecting and measuring the intermediate shaft bearings, but may need to make some...

[varg]

I wouldn't use brake clean, I am not sure it's chemically compatible with and thus could damage valve stem seals, whatever pools in the head will dilute the oil too, it doesn't evaporate as quickly when...

[varg]

I had always heard that too but I think it's a misconception. The more you look at them the more you realize how little they have in common other than 2V, multiple of 6, timing belt. The M7X and M40 had...

[varg]

M7X heads are more like M40 than M20....

[varg]

I like those intercooler mounts using the original rad mounts. In a bit of convergent evolution of my mount ideas I just arrived on something similar for my E34, but mine don't look as nice.

[varg]

That sucks to hear, I was hoping it was just down to your tune being too lean at low load, high rpm or the timing advance being too high. Surging idle is tough to avoid in some setups. If you're running...

[varg]

It's the revs. I love Evos, other than the fact that these days you pay M3 money for what is essentially an ordinary mitsubishi sedan with all of the ordinary mitsubishi sedan trappings + an awesome drivetrain....

[varg]

With those modest goals I'd probably get a Precision PTE of similar size to the T3/T04E 50 trim and a .48ar housing or a GT2871R or similar BB PTE depending on budget. A Pulsar may well be a much better...

[varg]

Those numbers seem reasonable enough, in the ballpark at least. Higher VE will lower the boost pressure for a given power output, your cam and turbine will affect this too. I think you'll need more boost...

[varg]

A quick search would tell you that it will fit, but the valves are smaller, so it is a bad idea. Use a B25 head.
https://www.realoem.com/bmw/enUS/sho...diagId=11_6018
https://www.realoem....

[varg]

A GT3076R is way overkill for 250-300hp (see below). The T3/T04E is cheap for a reason, it's a very old design so it definitely doesn't spool as well as modern turbos with improved aero, but your M20...

[varg]

1 squirt simultaneous vs 2 squirts alternating isn't any different from a req_fuel standpoint, but if the dead time is off the error compounds the more squirts there are. It's my experience that these...

[varg]

Not as cold as you will experience. When I was in NC I drove around on the R1Rs with temperatures in the 20s, it was particularly cold on my drive down the cherohala skyway which yielded that nice photo...

[varg]

It's a bad spot to be in, since 17s just look too big on E30s imo. The small aspect ratio necessary with such a large wheel also hurts ride quality with no real benefit. 16s are still a good bet if you...

[varg]

Nice. This is one of many engine ideas I thought about over the years but I didn’t give it too much consideration after seeing the sump would be an issue. It is a lot of effort. I like that you’re not...

[varg]

I would like to know what the best preservation products are myself. From what I've seen, the dash is just vinyl bonded to an open cell urethane foam. A mild detergent and a some vinyl-specific product...

[varg]

It has to be extremely rare by now. Only the best kept cars in the most mild of climates. IMO it's heat and thermal cycles that accelerate it, in the end the material has a limited lifespan since unlike...

[varg]

Why the bolts instead of the pin and clips? I had to shorten my DSSR too for the Wagon, hard to get it perfectly straight. I TIG welded mine, butt joint since I didn't have anything to sleeve it with,...