i bought this mercury marine 3
i bought this mercury marine 350 with world heads and dropped it in my 72 suburban.tryin to find out about this motor .it idles good but at higher rpm its got a knock. 1 piece rear main seal 89 stamped on seal.i had to buy a later model 350 flywheel.is it still internaly balanced?maybe somebody can tell me whati got.info on the merc marine pad is serial#c674592.it also says 5.7LC. GM SGI . i really appriciate any feedback
i bought this mercury marine 350 with world heads and dropped it in my 72 suburban.tryin to find out about this motor .it idles good but at higher rpm its got a knock. 1 piece rear main seal 89 stamped on seal.i had to buy a later model 350 flywheel.is it still internaly balanced?maybe somebody can tell me whati got.info on the merc marine pad is serial#c674592.it also says 5.7LC. GM SGI . i really appriciate any feedback