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Old 01-05-2007, 09:01 PM
-=GSR=- -=GSR=- is offline
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Join Date: Jan 2007
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Location: Ottawa, Ontario
Advice: 3.0L to 4.3L Swap

I know there is alot on this site about my topic, but Im still searching for answers...

I own a 1993 Starcrafte Elite 171
Engine: 3.0L, inline 4cyl.

1) Is it even possible to put a 4.3L in this boat?
2) Are there weight restrictions?
3) I might get more power, but would weight be an issue to not notice the power?
4) How difficult is the swap and is their a step-by-step site on how to do this?


Thanks guys, really appreciate your expert advice!

Graeme Fox
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Old 01-07-2007, 11:56 PM
gonzo's Avatar
gonzo gonzo is offline
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The 4.3 is shorter and wider than the 3.0. You need to put a Y exhaust pipe. Also, the gear ratio should be 1.65 instead of 1.85 or 1.90. Do you know if the boat is rated for the extra power?
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Old 01-08-2007, 07:51 PM
-=GSR=- -=GSR=- is offline
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That i dont know, the boat is in storage now (I live in ontario, going through our "winter") ill check the owners manual and if there was another engine model avail for that specific model
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