i'm gonna be firing up my 603 in a day or two, i had the head rebuilt...
anyway, can i fire it up without installing the radiator? i want to verify if the timing is correct before i install the rad. and if ever i do this, will tranny fluid circulate while in park? i have a feeling it will...

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85 190E 2.3(SOLD)
86 230E (-->300D) sold
87 300D (-->300TD) sold
68 250S w/ a 615 and manual tranny (RIP)
87 300TD (SOLD)
95 S280 "The KRAKEN" (Turbo 2.9 602 transplant) traded
86 190E 2.3... current project

I would not do it on one of mine.

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Jim

hmmmm, if you wouldn't then i certainly won't.

thanks

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85 190E 2.3(SOLD)
86 230E (-->300D) sold
87 300D (-->300TD) sold
68 250S w/ a 615 and manual tranny (RIP)
87 300TD (SOLD)
95 S280 "The KRAKEN" (Turbo 2.9 602 transplant) traded
86 190E 2.3... current project

Tranny fluid will circulate in park.

Why would IP timing have changed while the head was being rebuilt?

It's water under the bridge at this point but why is the radiator out?

Sixto
95 S420
87 300SDL

You certainly could fire it up without the radiator. But, the problem is that you can't keep coolant in the head without the radiator, AFAIK. If the engine was full of coolant, you would not need the radiator for at least seven minutes.

I would not fire a 603 without coolant in the head.

Yeah, if you use hose to bypass the radiator connections, it wouldn't hurt to fire it up for a minute. Hook the tranny lines together and you are in business. Might take some engineering to get the coolant in, but could certainly be done. Don't know if it is worth it, though.

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Keep everything as simple as possible-but no simpler--Albert Einstein

Sorry Brian, but even if the cylinders were surrounded with non circulating coolant I would NOT run the engine for as much as seven minutes.

With no coolant around the cylinders I wouldn't even run it for seven seconds. With no mass to sink the heat away from the cylinders, they will heat up FAST!!!!!

locry,

The risk is just not worth it. If you have to wait for the radiator or whatever the logistical problem, just wait. Haste makes waste.

Good luck,

Good luck,