Crankshaft end play?
What are the specs for the crankshaft end play on a 1.8L?
Max? Min? And what are good replacement bearings for a turbo with about 300+whp? |
a turbo with about 300whp? wtf does that mean? that is so broad I dont even know where to start....perhaps you should list what kind of turbo it is and the specs and what not
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ha ha that is not what i meant.:giggle:
I need to know the specs for the crankshaft end play in a 1.8L engine, BP. And I need to know what (performance)-> brand of rod and main bearings would work good in an engine that will make more the 300 whp. Thanks |
On a 1.6 the specs are 0.0031" - 0.0111" Maximum of .012" I would suppose that the 1.8 is very similiar.
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I have about .020, I can i get away with only replacing the thrust bearing? or do i need to replace all the bearings?
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I would open it up and look at them. Book says to grind the crank and replace the thrust bearing with an oversize one. Personally, if there is no gauling(sp) on the crank, I would get an oversize thrust bearing and grind it down to fit.
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The engine is out of the car and opened, that is how i checked the end play, i think that the crankshaft is good so can i just put in a new thrust bearing or all new bearings, why do i have to put in an over sized one? the engine has about 25,000 miles after rebuild.
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Originally Posted by dima88
(Post 327978)
The engine is out of the car and opened, that is how i checked the end play, i think that the crankshaft is good so can i just put in a new thrust bearing or all new bearings, why do i have to put in an over sized one? the engine has about 25,000 miles after rebuild.
Also, there's a $20 Haynes manaul available for your year car that has all the engine specs in it. |
Dam i knew it wasent going to be easy. Do you think that i can get away with leaving the .020 end play? most likely not
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Is everything else about this engine perfect? If it needs a rebuild, you could just swap in a good used engine instead for cheap. The 1.8 BP came in a lot of other cars besides a miata.
I wouldn't leave .020 end play. That's not right. |
The engine has je oversized pistons, pauter rods, arp main caps. so i cant get a new one. and it has 25000 miles on it....is it too soon for it to have .020 end play?
I didnt buid it so i dont know if it was built right. so i have to take to an engine shop and have them fix the end play? i cant do it myself? |
Originally Posted by dima88
(Post 327978)
The engine is out of the car and opened, that is how i checked the end play, i think that the crankshaft is good so can i just put in a new thrust bearing or all new bearings, why do i have to put in an over sized one? the engine has about 25,000 miles after rebuild.
Check the actual allowance for a 1.8 before you do anything except pull out the old one. The spec MAY be more open. |
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