block type 1988 Mercruiser 4.3l V6

[tom03]

How can I find out what type block my 1988 Merc. 4.3l is ? Serial no. C318073 .<br /><br />Thanks a lot, Tom

 

[bomar76]

Re: block type 1988 Mercruiser 4.3l V6

It's a GM block.<br />That what you needed?

 

[tom03]

Re: block type 1988 Mercruiser 4.3l V6

Thanks, what else would I need to know to order a carb. - injection kit ?

 

[Don S]

Re: block type 1988 Mercruiser 4.3l V6

You also need to know if it's a Rochester or a Mercarb.<br />The Mercarb is identifiable by having only one idle "MIXTURE" adjusting screw. Not to be confused with idle speed.

 

[tom03]

Re: block type 1988 Mercruiser 4.3l V6

Thanks, DON.<br />Is there any good source for fuel injection kits ?<br />And whats actually the difference between EFI and MPI ?