Mishimoto rads

[delatlanta1281]

Nobody drives those things anyway. Too busy showing off their race quality radiators.

[bimmerteck]

Beginning in late 1991 CARB began requiring all cars sold in California to both meet tighter emissions regulations and have diagnostic capabilities. Raising operating temps made for a more complete burn of the fuel/less emissions, hence the steps from 71-80 degree thermostats in the e30 to 88-92 degree thermostats in the e36. The plastic components could handle the 80 degree heat cycling fine, but after the bump in operating temps the failures began occurred.

[delatlanta1281]

Beginning in late 1991 CARB began requiring all cars sold in California to both meet tighter emissions regulations and have diagnostic capabilities. Raising operating temps made for a more complete burn of the fuel/less emissions, hence the steps from 71-80 degree thermostats in the e30 to 88-92 degree thermostats in the e36. The plastic components could handle the 80 degree heat cycling fine, but after the bump in operating temps the failures began occurred.

So wait, you're saying that people started replacing their stock radiators with mishimotos in the 90s? Ahhh, well that totally makes sense then. So why swap them now? Especially into an e30 with a perfectly good radiator? e30 radiators don't break down like e36 ones do. Why spend alll that money on a mishimoto when you get the same effect and cooling with a $120 Behr for an m20 motor?

[nando]

Beginning in late 1991 CARB began requiring all cars sold in California to both meet tighter emissions regulations and have diagnostic capabilities. Raising operating temps made for a more complete burn of the fuel/less emissions, hence the steps from 71-80 degree thermostats in the e30 to 88-92 degree thermostats in the e36. The plastic components could handle the 80 degree heat cycling fine, but after the bump in operating temps the failures began occurred.

you didn't answer my question. What does that have to do with motors swapped into E30s, that often run lower temp t-stats, or that aren't in california? what about the E30s produced from 1991-1994?

[bimmerteck]

you didn't answer my question. What does that have to do with motors swapped into E30s, that often run lower temp t-stats, or that aren't in california? what about the E30s produced from 1991-1994?

I can't speak to the guys running lower thermostats as my customers generally run stock thermostats. BMW motors do tend to run unnecessarily rich if the thermostats are swapped out to too low of a temp and some will never even enter closed loop with an 80 degree thermostat. as for the late e30s BMW was granted an exemption from CARB for the end of the e30s production period, but the e36s had to meet the requirements before going on sale. BMW didn't want to produce cars for 2 separate markets in the US if it didn't have to, so many models sold in the US are california compliant and the rest of us Americans just have to live with the suck.(thanks California! :? )

[Wh33lhop]

I picked up the Mishimoto after the brand new M42 radiator I got for the swap (early model rad does not work with M50) shit the bed at the endtanks. It was admittedly probably my fault, but I didn't want to deal with/worry about flimsy plastic endtanks while working under the hood, so I got a Mishi E36 rad.

Not that it matters.

[Hey-U]

I think your corrosion problem may be from not running coolant in the rad. Running straight water is not advisable.

[Wh33lhop]

I think your corrosion problem may be from not running coolant in the rad. Running straight water is not advisable.

If I could get a proper hose clamp on the overflow hose, I could justify running antifreeze. But I can't, because of this.

[samiam3356]

Yeah that part SUCKS! we bent my nipple up a bit to get it out of the way.

[LJ851]

You should be able to get a fuel injection clamp that size that would work nicely. Or better yet an Oetiker clamp. Also. rotate your main hose clamp so that the thin smooth section is next to the small hose for more clearance.

[samiam3356]

^^^Don't listen to him he's on pain killers! lol

[Danny]

You can totally get a clamp on there, you're just being a weenie.

[Wh33lhop]

You can totally get a clamp on there, you're just being a weenie.

I'll give you $20 if you can fit a worm clamp on there. It's not like I went straight to the pinch-type piece of shit, I had a hammer and a flathead out. That didn't work, so I went to a specialty shop and looked for smaller (narrower) clamps that might fit. Nothing smaller than what I already had.

[Danny]

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Weenie.

[Hey-U]

Some times these ones will fit into tighter spots.