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bigdawgchallenger
12-26-2010, 03:21 AM
I think my oil cooler is too small, what are the big blocks supposed to use? Temps are way too high since i bumped the HP from 330 to 420.

Mike

CHACHI
12-26-2010, 07:55 AM
What is way too high?

Ken

The Hedgehog
12-26-2010, 09:10 AM
CP Marine makes a nice thermostatically controlled unit. It will keep those temps down on the hottest days and allow you to build temp on the cooler days. I run one on my 540.

gcarter
12-26-2010, 03:56 PM
It's hard to beat one of these Revolution Marine combination coolers, particularly considering the price!

http://cgi.ebay.com/ebaymotors/Revolution-Marine-Severe-Duty-Combo-Cooler-Assembly-_W0QQcmdZViewItemQQhashZitem334d835b9fQQitemZ22034 3786399QQptZBoatQ5fPartsQ5fAccessoriesQ5fGear

You can add a seperate thermostat if you find you need to.

MOP
12-26-2010, 04:46 PM
A few interesting ones on Ebay!

http://cgi.ebay.com/ebaymotors/Revolution-Marine-Severe-Duty-Oil-Cooler-Assembly-/220304012288?pt=Boat_Parts_Accessories_Gear&hash=item334b247400

http://cgi.ebay.com/ebaymotors/NEW-Hardin-Marine-Boat-Oil-Cooler-COMBO-/130293120408?pt=Boat_Parts_Accessories_Gear&hash=item1e56133d98

http://cgi.ebay.com/ebaymotors/oil-cooler-heat-exchanger-bbc-502-mercruiser-/180603853903?pt=Boat_Parts_Accessories_Gear&hash=item2a0cd41c4f

zelatore
12-26-2010, 07:35 PM
It's hard to beat one of these Revolution Marine combination coolers, particularly considering the price!

http://cgi.ebay.com/ebaymotors/Revolution-Marine-Severe-Duty-Combo-Cooler-Assembly-_W0QQcmdZViewItemQQhashZitem334d835b9fQQitemZ22034 3786399QQptZBoatQ5fPartsQ5fAccessoriesQ5fGear

You can add a seperate thermostat if you find you need to.

I've got one of these on my 502 - my problem is now getting the thing up to temp! I'll be looking at adding a thermostat to the line.

bigdawgchallenger
12-27-2010, 11:17 AM
I am embarrased to say how hot, 290 at WOT. I am told oil starts to brake down at 235.