01/GM 305/ 0M049123/EFI/Alpha
This has been driving my crazy, There is no tag/# on the block above the starter- but there's a blue stripe- the eng is black. I can't locate a serial # on the front of the block. and it looks like on the port aft side of the upper block there's a "GM 5.0 LTR S6T"...
01 216 chap/ 5,0 305 efi/ OM049123/alpha gen 2
Have had the boat for 4 years and had some issues with shifting so I pulled the drive to replace the lower control shift cable and bellows. When checking the engine alignment, I had only spline grease marks on the top of the tool, lowered the...
Boat: 2001 ssi 216, 5.0 l gm efi rated at 240 HP.
Props: :Replaced a 3 bladed 14.25 inch 21 P prop with a alpha 4 14 inch 20 P.
At full throttle with one person and 30 G of fuel, I can barely reach 4200 rpm- I think the range is 4200 to 4800 for WOT.
At first I wasn't too worried because I...
