Offshoreonly.com - Putting on a b&m 250 supercharger on a 502 merc thermostat problem.

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- Do It Yourself, Boating on a Budget (https://www.offshoreonly.com/forums/do-yourself-boating-budget-249/)

- - Putting on a b&m 250 supercharger on a 502 merc thermostat problem. (https://www.offshoreonly.com/forums/do-yourself-boating-budget/281534-putting-b-m-250-supercharger-502-merc-thermostat-problem.html)

FIXX	09-19-2012 09:59 PM

fixx

Quote:

Originally Posted by oneanddone (Post 3780254)

Do you still have it?

Mine is all pitted and wont seal with a gasket anymore and Im looking for one and cant find one!
also did someone mention there is another kit that will work with the B&m 250. (dont care if i need to get new hoses) im in salt and flush after every use. Im wondering what my intake looks like the mount surface seems to look ok? I need answers if anyone can help please.

if your not running a water pump then you can use this one..
http://www.hardin-marine.com/p-12556...th-bypass.aspx

oneanddone

09-20-2012 08:25 AM

Do i need to run my water pump???

im not running a Stat so im getting 8-10psi with raw water pump and water pump. Temps stay cool. Would it raise my temps by deleting it?

FIXX	09-20-2012 06:38 PM

fixx

Quote:

Originally Posted by oneanddone (Post 3780506)

Do i need to run my water pump???

im not running a Stat so im getting 8-10psi with raw water pump and water pump. Temps stay cool. Would it raise my temps by deleting it?

makes the engine run cooler..you shouls at leaste run a 120* stat to keep some heat in the engine..

4bus	09-20-2012 06:51 PM

If you are running a stat with a crossover what keeps the water flowing inside the block when the thermo is closed?

FIXX	09-20-2012 09:41 PM

fixx

Quote:

Originally Posted by 4bus (Post 3781050)

If you are running a stat with a crossover what keeps the water flowing inside the block when the thermo is closed?

either use a thermostat with a built in bypass valve or drill 3 3/16 hole in one..some cross overs and thermostat housings have aen bypass fittings for a -8 hose..

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