Converting a 295 to 350

drgrcr · 03-19-2012, 12:15 AM

As I get closer to rebuilding the engine in my 94 EZGO, was wondering if it is worth putting the crank / piston / rods out of a 350 in place of the 295 assembly?

And raising the compression a touch? advancing the timing?

Or are these engine's already on the edge of their durability limit?

COURTESYCART · 03-19-2012, 11:12 PM

using a 350 bottom end with a 295 head works great. adds a noticeable amount of pwr.

do a genreral search. there is alot you can do to these eng. there was at one time a supercharger kit avail. RIP FAST FRED

ez go go · 03-20-2012, 06:06 AM

I have had the 350 bottom end with the 295 top end and loved it. Mucho low end power. I had 265 pounds of compression on each cyl.. As far as the timing, I advance the timing on all my engines.. Gives it a little more pep!! I had my 295-350 setup with a shorter belt and an MSD ign. box to bypass the rev limiter and it ran with no issues. I used common sense and made sure my rpm's didnt get to high but I loved the power it had.

drgrcr · 03-20-2012, 10:59 PM

Thanks for the info!
qotta a 350 crank laying around?

ez go go · 03-21-2012, 06:08 AM

Just to avoid confusion we are talking about using a 350 bottom end ( complete ) and putting a 295 topend on it.

drgrcr · 03-22-2012, 12:53 AM

The 350 crank wont physically fit into a 295 block?

ez go go · 03-22-2012, 06:13 AM

I've never done it that way, but I don't see why it wont.... The 295 block has smaller pistons than the 350 anyway. So trying to get a larger piston in that 295 block will require some machining. Even then I don't know if it will work. Never tried it that way but I would love to see what works out.

drgrcr · 03-22-2012, 02:06 PM

Do you know how much bigger the 350 pistons are?

ez go go · 03-22-2012, 07:50 PM

Not sure... You might PM Mike with Mikes Motor Toys or Tom at CPP and get an accurate measurement.

drgrcr · 03-22-2012, 11:14 PM

Looks like the 295 2.51'' and the 350 is 2.63'' I have never seen one of these engines apart but a 120 thousandths is a good stretch.

03-19-2012, 12:15 AM	#1
drgrcr Not Yet Wild Join Date: Mar 2012 Location: Arizona Posts: 11	Converting a 295 to 350 As I get closer to rebuilding the engine in my 94 EZGO, was wondering if it is worth putting the crank / piston / rods out of a 350 in place of the 295 assembly? And raising the compression a touch? advancing the timing? Or are these engine's already on the edge of their durability limit?

03-19-2012, 11:12 PM	#2
COURTESYCART Gone Wild Join Date: Nov 2008 Location: Montgomery, AL Posts: 1,463	Re: Converting a 295 to 350 using a 350 bottom end with a 295 head works great. adds a noticeable amount of pwr. do a genreral search. there is alot you can do to these eng. there was at one time a supercharger kit avail. RIP FAST FRED

03-20-2012, 06:06 AM	#3
ez go go Doin' the Wild Thang Join Date: Mar 2010 Location: Greenville, AL Posts: 1,063	Re: Converting a 295 to 350 I have had the 350 bottom end with the 295 top end and loved it. Mucho low end power. I had 265 pounds of compression on each cyl.. As far as the timing, I advance the timing on all my engines.. Gives it a little more pep!! I had my 295-350 setup with a shorter belt and an MSD ign. box to bypass the rev limiter and it ran with no issues. I used common sense and made sure my rpm's didnt get to high but I loved the power it had.

03-20-2012, 10:59 PM	#4
drgrcr Not Yet Wild Join Date: Mar 2012 Location: Arizona Posts: 11	Re: Converting a 295 to 350 Thanks for the info! qotta a 350 crank laying around?

03-21-2012, 06:08 AM	#5
ez go go Doin' the Wild Thang Join Date: Mar 2010 Location: Greenville, AL Posts: 1,063	Re: Converting a 295 to 350 Just to avoid confusion we are talking about using a 350 bottom end ( complete ) and putting a 295 topend on it.

03-22-2012, 12:53 AM	#6
drgrcr Not Yet Wild Join Date: Mar 2012 Location: Arizona Posts: 11	Re: Converting a 295 to 350 The 350 crank wont physically fit into a 295 block?

03-22-2012, 06:13 AM	#7
ez go go Doin' the Wild Thang Join Date: Mar 2010 Location: Greenville, AL Posts: 1,063	Re: Converting a 295 to 350 I've never done it that way, but I don't see why it wont.... The 295 block has smaller pistons than the 350 anyway. So trying to get a larger piston in that 295 block will require some machining. Even then I don't know if it will work. Never tried it that way but I would love to see what works out.

03-22-2012, 02:06 PM	#8
drgrcr Not Yet Wild Join Date: Mar 2012 Location: Arizona Posts: 11	Re: Converting a 295 to 350 Do you know how much bigger the 350 pistons are?

03-22-2012, 07:50 PM	#9
ez go go Doin' the Wild Thang Join Date: Mar 2010 Location: Greenville, AL Posts: 1,063	Re: Converting a 295 to 350 Not sure... You might PM Mike with Mikes Motor Toys or Tom at CPP and get an accurate measurement.

03-22-2012, 11:14 PM	#10
drgrcr Not Yet Wild Join Date: Mar 2012 Location: Arizona Posts: 11	Re: Converting a 295 to 350 Looks like the 295 2.51'' and the 350 is 2.63'' I have never seen one of these engines apart but a 120 thousandths is a good stretch.

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