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Forum: Sonic

06-12-2013, 07:58 AM

Replies: 4

I was confused, want to know about 358's.

Views: 1,417

Posted By fastech69

I was confused, want to know about 358's.

Sorry Sonic fans, posted asking about 38 Sonics, boat I may go look at is a 2005 358, what are opinions on this model concerning ride, quality, resale, etc. Will be running it in Lake Michigan. ...

Forum: Sonic

06-12-2013, 07:34 AM

Replies: 3

Question about 386 Sonic

Views: 1,371

Posted By fastech69

Question about 386 Sonic

Considering the purchase of a 2005 Sonic 386 after owning Formula's for many years. Would like to know peoples opinions on this boat. Will be running it in Lake Michigan. How is quality, ride,...

Forum: General Q & A

09-26-2005, 03:17 PM

Replies: 1

Questions about 500 HP valve springs

Views: 1,423

Posted By fastech69

Questions about 500 HP valve springs

I have 300 hours on my 1999 Formula 353. Should I be concerned with changing out my valve springs? Should I leave the heads on and use compressed air thru the spark plug holes? I've already asked...

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