driveshaft length
Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Boat Maintenance
Forum Discription: Discuss maintenance of your Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=7115
Printed Date: January-17-2025 at 10:45pm
Topic: driveshaft length
Posted By: stepper459
Subject: driveshaft length
Date Posted: June-17-2007 at 3:26pm
Any opinion on whether a driveshaft that's 3/16" shorter than the factory spec would make a difference? Vibrate? Do damage? Do nothing? My boat is an 89 supra - before you all attack me for not having a cc, I love cc's, they're the best boats in the world... I just got a deal I couldn't refuse on the supra - same engine & trans. as an '89 2001 - Ford/PCM 351w & 1.23 trans. I have a slight vibration and I've checked everything except engine alignment - that's next. But I noticed that my driveshaft is 44 and 3/16 while the factory spec is 44.5" and I wonder if that matters at all, or if 3/16" is insignificant.
Thanks for your input.
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Replies:
Posted By: 8122pbrainard
Date Posted: June-17-2007 at 4:29pm
459, It really shouldn't be a problem. You should still have plenty of room between the prop and the cutlass bearing. If it isn't a double taper shaft, you could even put it in the trans coupling a 1/8" shy.
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Posted By: stepper459
Date Posted: June-18-2007 at 4:03pm
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Thanks for the reply... I think you're right, it's no problem at all. I pulled the shaft and checked it with a dial indicator and it's not warped or bent at all (at least not beyond spec) so I guess my next step is engine alignment. I'll put up a post when I get that done, just for others' reference.
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