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BBF 532 build for 18ft jet boat. Dyno'd with long tube headers, installing lightning water jacketed headers once in the boat.

Intake:
Offenhauser Turbo Thrust tunnel ram
2x Holley 750's

Cylinder Heads:
Trick Flow PowerPort 325 heads
Crane gold roller rockers
Crane girdle

Short Block:
Stock block .080 over with oiling mods
4.300 forged Scat crank
6.800 Scat h-beam rods
Icon -22cc dish pistons
Crane solid roller cam R-268/420-2-10
268/278 734 lift
10.77:1 compression
Kaase oil pump
Armando's racing oil pan

91 Octane

 

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35* seems like a lot for that head. I dyno'd a very similar deal (no TR, slightly smaller cam), and it picked up everywhere moving from 34* down to 30*. Similar numbers overall thought, good results!
 
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