stock merc midsection cut to 15inch?

**huntstv** · 07-18-2010, 10:37 PM

i have a stock 20inch merc midsection i would like it cut to 15inch including drive shaft, shift shaft, and t arm

**samari** · 07-18-2010, 11:01 PM

check with chris carlson marine I had talked to him last year about it.

If you have the 3 ram mid it can only be cut to a 16"

**huntstv** · 07-18-2010, 11:07 PM

i have the single ram

**transomstand** · 07-19-2010, 05:53 AM

Stock castings are too thin, they end up cracking. You need to use a thicker offshore casting.

**Fish** · 07-19-2010, 06:18 AM

Transomstand, i have heard the same thing about the stock casing and always wondered: if it is thick enough to be a 20, why can't it be thick enough to be a 15? Not trying to argue because that is my understanding too, just trying to learn. thx,

fish

**transomstand** · 07-19-2010, 07:42 AM

My assumption would be, the heat changes the alloy somewhat, possibly making it more brittle, and prone to cracking.

**kb5050** · 08-05-2010, 04:31 PM

It must depend on how its done... i've been running the same cut down 15" since 1992

**AMERICANRAM** · 08-05-2010, 04:58 PM

This is a little off subject......can a single ram swivel offshore mid be put on a 3 ram swivel......

**transomstand** · 08-05-2010, 05:20 PM

If you mean swap the can, yes it will fit.

**AMERICANRAM** · 08-05-2010, 05:23 PM

Originally Posted by transomstand

If you mean swap the can, yes it will fit.

That pretty much sum it up..... thank you

**mickeyjr** · 08-10-2010, 01:50 AM

If you don't have the 2K on hand for a used factory 15" mid., cutting one down is an option. As mentioned on every thread pertaining to cut down kids, using a standard bass leg is prone to cracking sooner or later, even if its done "right." We've been breaking them since the early 80's.

**hst714** · 08-11-2010, 10:09 PM

i would love to see some pics of a cut down one , id love to cut an offshore mid i have down, im a fabricator but ive never cut down any mids id like to see whats really involved before i start playing with the project...