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Another FL350 Engine kabooom CSI
http://www.pilotodyssey.com/PO/viewtopic.php?f=26&t=11885		 Page 2 of 3
Author:  canadian oddy [ Mon Mar 25, 2013 1:54 am ]
Post subject:  Re: another Engine kabooom
The other pics.

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Author:  B S [ Mon Mar 25, 2013 1:55 am ]
Post subject:  Re: another Engine kabooom
Is the intake port band gone?

Can't tell from the photos

Snap one with out the piston it it

The port after the reeds
Author:  canadian oddy [ Mon Mar 25, 2013 1:56 am ]
Post subject:  Re: another Engine kabooom
Intake port band?? Whats that?
Author:  canadian oddy [ Mon Mar 25, 2013 1:57 am ]
Post subject:  Re: another Engine kabooom
will take another photo give me a bit
Author:  B S [ Mon Mar 25, 2013 2:04 am ]
Post subject:  Re: another Engine kabooom
canadian oddy wrote:
Intake port band?? Whats that?

This band
The one above the big arse hole

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Author:  canadian oddy [ Mon Mar 25, 2013 2:05 am ]
Post subject:  Re: another Engine kabooom
Is this what ya wanted?

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Author:  B S [ Mon Mar 25, 2013 2:09 am ]
Post subject:  Re: another Engine kabooom
canadian oddy wrote:
Is this what ya wanted?

We'll actually the inside
But it looks like yours does not have it

I Have a ported cylinder that they have removed it just like that
This isn't mine

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Author:  canadian oddy [ Mon Mar 25, 2013 2:12 am ]
Post subject:  Re: another Engine kabooom
I don't got a big arsehole just this one

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Author:  B S [ Mon Mar 25, 2013 2:16 am ]
Post subject:  Re: another Engine kabooom
canadian oddy wrote:
I don't got a big arsehole just this one

Well your cylinder is ported
Exhaust is wider
Intake cleaned up
What head gasket u running?
Author:  Randman [ Mon Mar 25, 2013 2:45 am ]
Post subject:  Re: another Engine kabooom
I should have paid more attention to the first part of your post regarding the jetting. Shoubadaba nailed it when he mentioned running a 460 main jet which is where you want to be for your elevation. A 330 is way too lean. :shock: At 4750 feet in elevation, I run a 420 main in my 38mm Mikuni. This is on a bone stock Engine with a DG pipe and air box modifications.

The porting you have is just about what Ridindirty has on the water jacketed cylinder that we are working with. He will be running my old 38mm Minuki and we are starting of with a main jet of 460 due to the porting, exhaust and intake modifications and we will work our way down if need be.

Again as I Shoubadaba and I mentioned, don't rely on an EGT to do your jetting. Once jetted properly, the EGT will give you a base line of what temperatures your Engine will run at. Once you have established that, then you will know when she is starting to run hot by a rise in temperatures from your base line numbers.

You can run a thicker Cometic base gasket which is .020" and the thicker and the full three piece which is around .030". If memory server me right, the Cometic head gasket is around .035" which looks like what you are currently running.

Rand
Author:  canadian oddy [ Mon Mar 25, 2013 2:49 am ]
Post subject:  Re: another Engine kabooom
Thanks for all the great info. It is appreciated. I learned a lot off this post.
I asked questions on other posts from other people but never got the good info I needed like this.
Thanks.
Author:  stix [ Mon Mar 25, 2013 5:47 pm ]
Post subject:  Re: another Engine kabooom
I looked for a pic of your pipe as it exits the motor (( Internal Combustion Engine ? )) to see if your EGT probe was placed properly. The best placement for the EGT prope will be 5 to 6 inches from the piston.
Author:  canadian oddy [ Tue Mar 26, 2013 2:07 am ]
Post subject:  Re: another Engine kabooom
stix wrote:
I looked for a pic of your pipe as it exits the motor (( Internal Combustion Engine ? )) ((Internal Combustion Engine?)) to see if your EGT probe was placed properly. The best placement for the EGT prope will be 5 to 6 inches from the piston.

Here is the pic you wanted to see.

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Author:  canadian oddy [ Tue Mar 26, 2013 2:10 am ]
Post subject:  Re: another Engine kabooom
The manual describes the bolt which holds the counter balancer gear on is a "special bolt".
Is it a left hand thread or right hand?
Author:  shoubadaba [ Tue Mar 26, 2013 2:52 am ]
Post subject:  Re: another Engine kabooom
Are you taking the lowerend apart as well? Usually doesnt need to be torn apart for a topend poof kaboom. Clean it out with carb cleaner and air really good. Add some oil to the bearings and see how free it turns.
Author:  canadian oddy [ Tue Mar 26, 2013 2:58 am ]
Post subject:  Re: another Engine kabooom
shoubadaba wrote:
Are you taking the lowerend apart as well? Usually doesnt need to be torn apart for a topend poof kaboom. Clean it out with carb cleaner and air really good. Add some oil to the bearings and see how free it turns.

Ya I am gona strip it. There was just shrapnel everywhere. Even down the oil gallery holes. Everything turns free but I have a nice warm shop and lots of time. I think the bearings are ok but I am sure these are open bearings (no seals) so I will just strip it.
Author:  stix [ Tue Mar 26, 2013 5:59 pm ]
Post subject:  Re: another Engine kabooom
canadian oddy wrote:
stix wrote:
I looked for a pic of your pipe as it exits the motor (( Internal Combustion Engine ? )) ((Internal Combustion Engine?)) ((Internal Combustion Engine?)) to see if your EGT probe was placed properly. The best placement for the EGT prope will be 5 to 6 inches from the piston.

Here is the pic you wanted to see.


My notes show 2-1/2" from the end of the pipe so it looks like your dead on.
Author:  stix [ Tue Mar 26, 2013 6:07 pm ]
Post subject:  Re: another Engine kabooom
I am reposting these notes from Randy at Odyssey Salvage, I wanted to give credit to the person that Im quoting....... "When installing the sensor itself first drill the 3/16" hole in the top of your pipe down 2 1/2" from the end of the exhaust pipe, that will end up just in the V of where the 2 springs hook up on the stock pipe. Mount the tip end of the sensor 1/8th of a inch short of dead center of the pipe. The more you are off that mark the more the egt reading will be wrong."......

I have always had relatively accurate readings with his guidelines.
Author:  halorising [ Wed Mar 27, 2013 1:29 am ]
Post subject:  Re: another Engine kabooom
I think its the JET Start at 450
Author:  canadian oddy [ Wed Mar 27, 2013 5:25 am ]
Post subject:  Re: another Engine kabooom
Thanks to everyone for the help. I was getting real upset there for a while. Engines wouldn't run for more than three miles before BOOOM. This is the third time for this motor (( Internal Combustion Engine ? )). I just didn't realize what I bought. Some were my mistakes others were the previous owners. I will be useing the suggestions provided. I'm in the process of tearing it down now and just waiting for parts which takes a long time here in Canada sometimes. Hope I can get a complete gasket set or I will be making them by hand.
Author:  Randman [ Wed Mar 27, 2013 10:48 am ]
Post subject:  Re: another Engine kabooom
canadian oddy wrote:
Thanks to everyone for the help. I was getting real upset there for a while. Engines wouldn't run for more than three miles before BOOOM. This is the third time for this motor (( Internal Combustion Engine ? )) ((Internal Combustion Engine?)). I just didn't realize what I bought. Some were my mistakes others were the previous owners. I will be useing the suggestions provided. I'm in the process of tearing it down now and just waiting for parts which takes a long time here in Canada sometimes. Hope I can get a complete gasket set or I will be making them by hand.


I'm a cheap Bastard.....I make most of my own gaskets when I can!

Rand
Author:  canadian oddy [ Thu Mar 28, 2013 3:31 am ]
Post subject:  Re: another Engine kabooom
Just some updated photos of the guts.

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Author:  halorising [ Fri Mar 29, 2013 1:36 am ]
Post subject:  Re: another Engine kabooom
Did you ever heat cycle this Engine?
Author:  canadian oddy [ Mon Apr 22, 2013 9:18 pm ]
Post subject:  Re: another Engine kabooom
I just got the oddy back together. I followed the recommendations in this post.
I am running a 440 main now. However when we started it today we had to run the idle screw all the way in to get it to idle. Does anyone know why?? I am sure it is still a jetting issue. Also I managed to get the compression down to 148lbs by running two cylinder base gaskets for a total of .060 spacing.
Author:  Randman [ Mon Apr 22, 2013 11:58 pm ]
Post subject:  Re: another Engine kabooom
When you are referring to the idle screw, are you talking about the idle adjustment screw or are you talking about the air fuel mixture screw?

If it isn't the air fuel mixture screw. how many turns out is it? It should be anywhere from 1 to 2.5 turns out.

Which clip is the needle in?

Rand
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