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Discussion Starter #1
is the 1.3l 8v samurai engine the same as the 1.6l 8v geo tracker i have a rod knok and i need new Piston Rods for my engine and i cant fine them under 1.6l but i can fine it under the 1.3l
 

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Presumably you're asking about the connecting rods and not the entire engine - the answer is no, they are not the same - the 1.6 is a longer stroke engine, with a longer rod and a taller block.

Out of curiosity - what make you think you need new rods, and not new rod bearings, or a new crank? A rod knock, more often than not, is caused by excessive clearance in the big-end or rod bearings, and can usually be fixed by replacing the bearings and if necessary regrinding or replacing the crank, depending on it's condition.
 

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Discussion Starter #3
i just put new Main rod bearings in it and a norther cam and Rocker in it from a engine i had with only 100,000 mile on it. my geo tracker has 540,000 mile on the engine and any thing can happen now 7 moth ago the engine stared knocking on me so i put it up for some time to see what was going on so i pulled the engine out and fond my #2 rod was loss so i want out and got some new Main rod bearings for it but when i got it put bake to gather and got it running it was still knocking on me so i had a speed shop lock at the rod and its ok but when it get hot the wrist pin has play in it so he told me if i'm got to fix the engine then do it right with new rods and Pistons for it because of the mile on it the head was fix about 4 years ago and the head only has about 50,000 mile on it
 

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I agree with him - if you're going to fix the engine then do it right - start by measuring - until you've done that, you have no clue what you're dealing with.

The wrist pin has play in it - but where is the play coming from - is it between the pin and the piston, between the pin and the rod - is the pin worn or the rod worn?

Head over to Ack's FAQ, download the FSM get the measurements and then pull the engine down and start measuring - I'm willing to bet the play you're getting when it's hot is between the pin and the piston - the aluminum alloy piston expands more that the steel pin.
 

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I bet you will find that the crankshaft is worn to the point that new bearings will still provide too much oil clearance. There is a good chance the bearing journals are also worn out-of-round and the connecting rods distorted out-of-round.

540,000 miles? Just....wow! :eek:
 
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