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Old 09-03-2004, 10:51 AM
wesgardner wesgardner is offline
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Join Date: Jul 2004
Boat: Maristar 240 1989 454 cu. in. 13/13 prop.
Location: Severna Park, MD
Posts: 350
Timing Spec for 454

Hey All,

Anyone have this info?

#1 cylinder is the forward-most one on the starboard side?


while you're sleeping, things are breaking
'89 Maristar 240, 454, 1:1, 13:13 Acme
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Old 09-03-2004, 11:03 AM
H20skeefreek's Avatar
H20skeefreek H20skeefreek is offline
MC Devotee
Join Date: Jul 2004
Boat: '85 Stars and Stripes
Location: Southeast
Posts: 2,373
Wes, I beleive that i have this info at home, my PCM owners manual covers all of the motors available in 85. I can post that tonight if someone doesn't post it in the mean-time.
Former Boat: 1985 MasterCraft Skier, Stars and Stripes
351W with PowerSlot and Perfect Pass
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Old 09-03-2004, 11:15 AM
scott88prostar's Avatar
scott88prostar scott88prostar is offline
TT Enthusiast
Join Date: Jul 2004
Boat: 1988 Prostar 454 w/powerslot
Location: Grayslake IL
Posts: 185
Hey Wes

Timing specs:

Idle 600 rpm

Point Dwell 30 degrees
Timing 10 degrees at 1000 rpm

My boat (Chevy 454)#1 is the first cylinder (most forward) on the left side facing forward ...port side


Last edited by scott88prostar; 09-03-2004 at 11:20 AM.
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