engine bearing info needed please!

As above how do i determin the size of main bearings big end etc i need any iput welcome

cheers guys simon

PRODUCT MODEL Toyota Starlet Turbo EP82 & EP91

MODEL Toyota Starlet Turbo EP82 & EP91

PRODUCT OPTIONS Standard Size Bearing MARK 1, Standard Size Bearing MARK 2, Standard Size Bearing MARK 3

Description Standard Big End shells.
Available in 3 standard sizes look at original bearings as they have Mark 1 2 or 3 stamped into them.


Quantity ONE Bearing to do ONE Conrod

(You need 4 of these to do the 4 conrods)

Colour This is an OE Dealer part
DO NOT Confuse with inferior aftermarket parts from other Import Car Parts Companies

Manufacturers Part Numbers for REF ONLY 13041-11030-01 13041-11030-02 13041-11030-03

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PRODUCT MODEL Toyota Starlet Turbo EP82 & EP91

PRODUCT OPTIONS Standard Size Bearing MARK 1, Standard Size Bearing MARK 2, Standard Size Bearing MARK 3, Standard Size Bearing MARK 4, Standard Size Bearing MARK 5

Description Standard main crank shells.
Available in 5 standard sizes look at original bearings as they have Mark 1 2 3 4 or 5 stamped into them.


Quantity ONE Bearing to do ONE Crank Journal

(You need 5 of these to do the whole crank)
You may find they are mixed sizes on the same crank.

Colour This is an OE Dealer part
DO NOT Confuse with inferior aftermarket parts from other Import Car Parts Companies

Manufacturers Part Numbers for REF ONLY 11701-10012-01 11701-10012-02 11701-10012-03 11701-10012-04 11701-10012-05

simonleeds said:

As above how do i determin the size of main bearings big end etc i need any iput welcome

cheers guys simon

Click to expand...

You should have some numbers stambed at the end of the block near where you meet the gearbox from underneath where you seal the sump.

Should be something like 2222 and to the other side something like 22222

The 4 numbers are for rod bearings and the five numbers are for main bearings.
The numbers can be also 1,2,3 for the different clearence.

This is the way if the engine had not a previous crank regrind.

The safer way tho would be by a bore micrometer/shaft micrometer but it is more complicate and need special tools and experience.

Chris

so is it possible to use a micrometer to measure the crank shaft diameter to see if its had a regrind?
thanks

simonleeds said:

so is it possible to use a micrometer to measure the crank shaft diameter to see if its had a regrind?
thanks

Click to expand...

ive edited my post above buddy.. should help you.. if it was reground its useless 2 u mate.. big end shells just wont last

simonleeds said:

so is it possible to use a micrometer to measure the crank shaft diameter to see if its had a regrind?
thanks

Click to expand...

If it had a regrind probably would be .25 or.50 undersize and a micrometer will tell you this difference if you know the standard diameter.
For finding the clearence you need also to lock and torque the cells to specs without the crank inside and mesure with a bore micrometer the diameter at least 3 times at 120degrees apart and then mesure the specific journal and substract journal diameter plus oil clearence from the cell diameter.
Hope you get what i mean. It is a bit tricky to do so and if you havent any previous experience live this part to a pro cause if you make a mistake there you will have a knocking to stuck engine and a regrind will be nesecary afterwards.

Chris

if its reground professionaly than it might be ok but i wouldnt recommend it..
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PRODUCT MODEL Toyota Starlet Turbo EP82 & EP91

Description Big end shells / Conrod bearings
Full set of 4 shells of 0.25mm Undersize
Genuine Toyota Parts.

Quantity FOUR 0.25mm UNDERSIZE SHELLS

Colour This is an OE Dealer part
DO NOT Confuse with inferior aftermarket parts from other Import Car Parts Companies

Manufacturers Part Numbers for REF ONLY 13204-11030