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View Full Version : Anyone interested in a LY6?


Forrest-X45
10-13-2011, 06:21 PM
Haven't posted it in the Marketplace yet but wanted to see if I could strike up any interest in an used 2008 Indmar LY6 6.0L. I am looking into the possibility of selling my LY6 and wanted to see if there would be any interest from someone looking to repower or upgrade to a more powerful engine. Great opportunity for someone looking for more power for their MC.
If you are interested let me know and what you might think it is worth. I have an idea in mind given what they are new from Indmar. It would be the complete turn key running engine ready to drop in your boat. It is in perfect running condition and all maintenace was performed by the book by the local MC dealer. Engine has 162 hours on the clock and the V-Drive tranny is included if desired.

Drop me a PM and let me know what you think......

NatesGr8
10-14-2011, 10:04 AM
Too far from me, i'm sure someone will be interested though. Good luck with the sale. Pictures, parts list, location would also help.

Forrest-X45
10-14-2011, 02:53 PM
I can take some pictures tomorrow and post them. It's your standard LY6 and has attachments for heater and shower. The actual shower and heater stay with the boat. All engine components are included in the sale; alternator, raw water pump, circulation pump, ECU, injectors, spark plugs and wires. Basically it will be ready to run and all that would be needed are fuel, throttle, and exhaust connections.
Shipping is not a problem, I can easily ship to anyone on a shipping crate. The engine is located in the Seattle area.

For peace of mind, all work will be performed by local MC dealer - Northwest Watersports and they can answer any concerns about condition and service.

JRW160
10-14-2011, 05:17 PM
I'm not interested in the engine, but I am curious as to what you are replacing it with

Forrest-X45
10-17-2011, 03:01 PM
I'm not interested in the engine, but I am curious as to what you are replacing it with

I have an opportunity to drop a L18 in my boat so that means the LY6 needs to find a new home. I would like to take advantage of the opportunity to get the power bump but only if I can sell my LY6. This is a great chance for someone else to do the same and get a perfectly running LY6. The LY6 is a very smooth engine and revs easily. It produces smooth power all the way through the power band.

Someone out there has to want some extra power????

Forrest-X45
10-17-2011, 03:08 PM
Here are some pics.

Jerseydave
10-17-2011, 09:58 PM
I have an opportunity to drop a L18 in my boat so that means the LY6 needs to find a new home. I would like to take advantage of the opportunity to get the power bump but only if I can sell my LY6. This is a great chance for someone else to do the same and get a perfectly running LY6. The LY6 is a very smooth engine and revs easily. It produces smooth power all the way through the power band.

Someone out there has to want some extra power????

I had thought that MC stopped using the L18 a few years back but continued using the LY6 because it provided enough power and torque for those heavier boats. There must be a reason they stopped using the L18 right?

Assuming you have tried different props to gain performance, I would think your next option would be to install a Procharger supercharger (or similar) to gain some big horsepower. Offshore boats go this route alot instead of changing engines. A guy I know installed Prochargers on his twin 502 Fountain and gained over 20 mph! You might gain 5! :)

GT500 MC
10-17-2011, 10:35 PM
I had thought that MC stopped using the L18 a few years back but continued using the LY6 because it provided enough power and torque for those heavier boats. There must be a reason they stopped using the L18 right?

Assuming you have tried different props to gain performance, I would think your next option would be to install a Procharger supercharger (or similar) to gain some big horsepower. Offshore boats go this route alot instead of changing engines. A guy I know installed Prochargers on his twin 502 Fountain and gained over 20 mph! You might gain 5! :)

You're starting to sound like Hooligan...just add headers too while you're at it.

JohnE
10-17-2011, 10:55 PM
I had thought that MC stopped using the L18 a few years back but continued using the LY6 because it provided enough power and torque for those heavier boats. There must be a reason they stopped using the L18 right?



They didn't stop the L18's when they announced that they were going to. They continued into 2010. The reason they stopped offering the L18 is because the blocks were no longer available from GM I believe/ heard. There was some extensive discussion a while back. If I had a larger MC and had the chance to drop a big block into it I would do so.

Forrest-X45
10-18-2011, 04:00 PM
I had thought that MC stopped using the L18 a few years back but continued using the LY6 because it provided enough power and torque for those heavier boats. There must be a reason they stopped using the L18 right?

Assuming you have tried different props to gain performance, I would think your next option would be to install a Procharger supercharger (or similar) to gain some big horsepower. Offshore boats go this route alot instead of changing engines. A guy I know installed Prochargers on his twin 502 Fountain and gained over 20 mph! You might gain 5! :)


Indmar stopped selling the L18 after the 2010 MY as already pointed out. They stopped because GM quit building them because of meeting emission reqs. and they weren't selling them in trucks, everyone was buying Duramaxes. The LY6 was the top of the line small block upgrade and does produce enough power for the big boats, just not for me. :)
I have tried multiple props, even the new 5 blade, and researched supercharging. There are not a lot of marine superchargers in the FI market but plenty for carb engines. Plus it would be completely custom install with a custom ECM tune and I don't want to mess with chasing down tune or running issues during our very short season. The L18 swap is plug and play, take out my LY6 and drop in the L18 and I will pick up 6-8 MPH with a new prop. The engine swap is the easiest solution by far besides buying a new boat.

I just figured there would be someone else out there like me looking for more power and the quick solution is an engine swap. Or someone has a tired engine or cracked block needing a replacement.

Forrest-X45
02-28-2012, 03:44 PM
Spring is almost upon us. Anyone out there interested in a LY6?

Nutter281
03-01-2012, 10:29 PM
Will this fit in a 2003 X2? And if so, how big of a lift is it - ECM, MMDC, throttle linkage, exhaust system, transmission, all that need to be redone?

would be upgrading from Predator RTP

Austin

Forrest-X45
03-02-2012, 03:50 PM
The LY6 should physically fit since it is another GM small block, same with your tranny. Indmar uses the same tranny across their engine product line. You might need a larger diameter exhaust but the issues you might have are with the electronic throttle and connecting to the LY6 ECM and wiring harness. I am sure there is a way to make it work but checking with your MC dealer might be a good place to start or someone on TT might know the anwser.

Forrest-X45
03-02-2012, 04:09 PM
Austin,

I just checked with my dealer and they said it would be very tight fit so it would be chance you might not want to take. The LY6 is a little wider than a 350 and the electronic throttle and wiring harness connections would be a huge challenge. Might not be worth the effort or expense - I hate saying that when I am trying to sell the engine but just providing the best info I can. If you are willing to take on the challenges let me know.

Nutter281
03-02-2012, 10:59 PM
Right on, appreciate the effort Forrest! I can foresee a great deal of hidden costs associated with parts of this conversion now, just thought I would test the waters. Probably not a valuable endeavor being that my RTP runs like a champ, but I do feel slight hit to the pride when I compare acceleration with my buddies MCX. There's got to be a better way to level the playing field..... :)


thanks again,
Austin

Forrest-X45
03-14-2012, 03:01 PM
Just imagine the warm air this spring and sunshine in your face, but this year you have a new rumble behind you. PM me and upgrade to some new power to enjoy your summer. :headbang:

snowslider76
03-19-2012, 03:49 PM
I'd be all over this if I didn't have a perfectly functioning 350! Anybody want to buy a 350 so I can buy this?:D

Forrest-X45
04-04-2012, 07:38 PM
My LY6 is still available for someone looking to upgrade for the summer. This is a turn key engine ready to run. All accessories are included.....what are you waiting for?? :)

Make me an offer I can't refuse.

Forrest-X45
04-20-2012, 02:43 PM
Engine is still available and looking for offers.

ranger098
05-16-2012, 03:28 PM
I'd be all over this if I didn't have a perfectly functioning 350! Anybody want to buy a 350 so I can buy this?:D

i would be very interested in your 350, please email me and we can talk details- i need a vortec 350 and almost everything else that comes with it to make it run... and you would be getting all that for your new motor. this could work.... email me at ranger098@gmail.com.

sorry that i dont need your LY6, but i would run into the same problems as the other guy with an X2 above, i have an 04 x2.

ranger098
05-16-2012, 03:30 PM
I'd be all over this if I didn't have a perfectly functioning 350! Anybody want to buy a 350 so I can buy this?:D

i would be very interested in your 350, please email me and we can talk details- i need a vortec 350 and almost everything else that comes with it to make it run... and you would be getting all that for your new motor. this could work.... email me at ranger098@gmail.com.

sorry that i dont need your LY6, but i would run into the same problems as the other guy with an X2 above, i have an 04 x2.