5.0 H.O. OMC Cobra engine upgrades

Jaysad

Seaman
Joined
Nov 5, 2008
Messages
67
I have a 1990 stock ford 5.0 H.O. OMC Cobra. I 'm look for any info. On up grades for better fuel saving, and performance.
Will a 351 SVT with GT head bolt up in place of the 5.0?
 

a70eliminator

Captain
Joined
Sep 9, 2007
Messages
3,746
Re: 5.0 H.O. OMC Cobra engine upgrades

Nope won't fit 351 has taller deck intake won't fit don't they have them SVO heads for 5.0? Thats would be your best gig.
 

Jaysad

Seaman
Joined
Nov 5, 2008
Messages
67
Re: 5.0 H.O. OMC Cobra engine upgrades

Up date,
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Hello,
Please help? I have a OMC ford 5.0 HO in a 1990 Chris Craft. I have installed the pentronix ignition, Flame thrower coil (now MSD Blaster 2), New ESA. When first installed everthing seemed to be working fine. Now at WOT (4000)RPM's it starts cutting out, or missing. Also when I trim up or down it will miss out.
On the + side of the coil I have red wire from pentronix ,wire going to silon., and a wire going to the Alt. On the - side I have black wire to the pentronix, one going to the ESA, one going to tach. With key on 9v, start 11.5v, once it's running I get 9-10v. ???

Is the wire going to the Alt. the resister wire? It's not a copper wire, it's like chrome or something. If I remove this wire and replace it with a copper one what would happen???
 
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