newly overhaulled engine...

ayil

Active Member
Senior Member
Nov 25, 2004
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i've jus finnished a complete overhaul of my engine and gearbox.. just wondering if i should wait 5000km after the run in before using tufoil??
i plan to immedietly use it in my gearbox..
FYI all the main bearings, piston rings, conrod bearings changed.
would appreciate any input..
 

Battousai

500 RPM
Senior Member
Nov 16, 2003
699
1
3,018
www.durifto.blogspot.com
do not use tufoil in your newly overhauled engine or gearbox

i repeat

do not use tufoil in your newly overhauled engine or gearbox

in fact...

don't even use semi or fully synthetic. Just a normal mineral oil. Using any of the above will result in your engine not breaking in properly.
 

ayil

Active Member
Senior Member
Thread starter
Nov 25, 2004
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confusing.. dunno wats being said hehe
my concern is that after a major overhaul you need to run in the engine (like when you buy a new car) this is to wear out the bearings until it fits snugly to the crank/conrod..
so i guess if tufoil is very slick.. then the bearings won't wear in properly.
but i think putting it in the gearbox staighaway would be ok.. no new bearings there..
 

FocalPoint

500 RPM
Senior Member
Apr 26, 2004
803
13
3,018
Newly overhauled engines tend to be tight like those straight out of showrooms. With new pistons and rings, it will be a good practice to wait till 10,000 km to use Tufoil so as to let the rings seat in perfectly.

However, we do come across many overhauled engines using Tufoil straightaway for their owners wouldn't want to miss out on Tufoil.

In the case of gearbox, you can use a mixture of 5% Tufoil.
 

ayil

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Nov 25, 2004
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would tufoil effect the performance of my LSD?
(clutch type LSD)
 

FocalPoint

500 RPM
Senior Member
Apr 26, 2004
803
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3,018
For clutch type LSD, it may be too silppery. If you have to use it to solve a problem, use not more than 5%. We are thinking of 1 to 2 spoonful.
 

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