[Fot] Spun a d#@n bearing

[toodamnfunky at comcast.net]

Bob,

I'm running the same plumbing arrangement. I built an over ride to the
electric valve that controls the sump

so I can manually control the oil sump when I want to. It's really odd that #
3 was the only cylinder affected.

Whatever it was took out the piston too, maybe the liner as well.



I may try my spare crank this time. I just wonder if there is something in the
crank oil passages that

just won't flush out.



jg


----- Original Message -----
From: "Robert Kramer" <RKramer at rdoequipment.com>
To: toodamnfunky at comcast.net
Sent: Friday, June 19, 2009 7:40:03 AM GMT -07:00 Chihuahua / La Paz /
Mazatlan
Subject: RE: [Fot] Spun a d#@n bearing

Do you have the accusump plumbing routed properly? Could the pressure be
bumping up against the pump flow, an inline check valve or a remote filter? I
have it plumbed to dump into the center of the oil galley. I drilled out the
plug to take an AN8 or AN10/pipe thread adapter. Between that and normal oil
passageway problems it should be fine. I've been running wet liners since 1996
and haven't struggled with oiling issues.

Bob Kramer
Sales Manager
RDO Equipment Company
16415 N. IH 35
Pflugerville, TX 78660
512-272-4141

-----Original Message-----
From: fot-bounces at autox.team.net [mailto:fot-bounces at autox.team.net] On Behalf
Of toodamnfunky at comcast.net
Sent: Friday, June 19, 2009 8:21 AM
To: EDWARD BARNARD
Cc: fot
Subject: Re: [Fot] Spun a d#@n bearing

It's a tr4



jg




----- Original Message -----
From: "EDWARD BARNARD" <edwardbarnard at prodigy.net>
To: toodamnfunky at comcast.net
Sent: Friday, June 19, 2009 6:30:33 AM GMT -07:00 Chihuahua / La Paz /
Mazatlan
Subject: Re: [Fot] Spun a d#@n bearing


Jim: Are we talking a TR2-4 motor, Spit motor, or TR6 motor?
Thanks - Ed

--- On Thu, 6/18/09, toodamnfunky at comcast.net <toodamnfunky at comcast.net>
wrote:



From: toodamnfunky at comcast.net <toodamnfunky at comcast.net>
Subject: Re: [Fot] Spun a d#@n bearing
To: "MadMarx" <tr4racing at googlemail.com>
Cc: "fot" <fot at autox.team.net>
Date: Thursday, June 18, 2009, 11:59 PM


Chris

I'm not sureB what caused it. IB was on my secondB race on the engine. It only
affected # 3.

I can only surmise a contaminant lodged in an oil passage. The oil was changed
after an hour

of break in and again after 3 hours and again right after the first race. New
filters every time.

This isn't the first time Iv'e toasted a low end because of oiling problems.

Ran perfectly during and after the first race, through practice and quali. on
the second race.

Three laps into the second race it gave up.

I have a new oil pump and blew the crank out real good before assembly.

I took great care in keeping things clean.

Since using the Castrol my oil pressure starts out at 80 plus psi but by the
end of the race drops

below 50. Goes right back up after it cools. I also have an oil sump that
kicks in at 25 psi.

IBB B welded in a windage tray after the last time.

These little tractor motors are a bit of a puzzle.



jg




----- Original Message -----
From: "MadMarx" < tr4racing at googlemail.com >
To: toodamnfunky at comcast.net , "fot" < fot at autox.team.net >
Sent: Thursday, June 18, 2009 10:12:41 PM GMT -07:00 US/Canada Mountain
Subject: AW: [Fot] Spun a d#@n bearing

Jim,

What caused the bearing failure? Oil pressure drop? Misalignment?

Chris


-----UrsprC<ngliche Nachricht-----
Von: fot-bounces at autox.team.net [mailto: fot-bounces at autox.team.net ] Im
Auftrag von toodamnfunky at comcast.net
Gesendet: Freitag, 19. Juni 2009 04:19
An: fot
Betreff: [Fot] Spun a d#@n bearing

Greetings FoT

I spun my # 3 rod bearing last weekend and my crank is already at .040
under.

It turned the rod blue so it's toast. I know it's been discussed before but
I think

it may be time to weld the crank and go to Chevy rods.

Any advice for the conversion ?



Again, thankfull for your advice,



Jim G.
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