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Discussion Starter · #1 ·
I picked up a z6 block a few days ago. Im going to be building the engine myself to learn how. i have a few questions.

i know to use the oem honda head gasket but what about all the other gaskets, can i use parts stores brands?

for the main and rod bearings what brand should i go with? also iv heard some things about bearings having different colors on them but when i pulled my block apart i didnt see anything like that. is that a problem?

ill be doing the usual build, tt rods, srp pistons and arp head studs but dont know what to do about the gaskets and bearings.

thanks everyone.
 

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Discussion Starter · #3 ·
i know i need to platigauge them before assembly but wouldnt there only be one size main and rod bearing on a stock crank?

Green 91 id rep but gotta spread it around first
 

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the bearings should have a small color mark on them, every rod and main bearing is different. Matter a fact some rod bearing will have different sizes for the top and the bottom halfs of the bearing in rare cases. Learn how to plastigage and repeat the process a few times in order to get true numbers.
 

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Discussion Starter · #6 ·
i have another question. when i pulled the block apart there where no colors on the bearing i think they have been replaced before. they say "ROCK STD"

My question is once i get the clearences(sp) i need how do i know what color honda bearing to buy? it doesnt list the size, just a color.

I also have some questions about the plastigauge, i bought some and i know how to use it but if i just set the crank in then plastigauge the the main caps and tourqe it down isnt that going to give me the size of both bearing since when i tighten it down there are no bearings in it whatsoever? i hope that made sense...lol
 

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Rock make bearings for tons of motors and they are cheap, order a set of rock standard bearing and plastigage from there.
 

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Discussion Starter · #8 · (Edited)
i thought you used platigauge to figure out what size bearings you need.

if i bought bearings first then how would i platigauge them or maybe i thought it was done another way.

so to use platigauge i assembe the crank with the bearing in but put platigauge inbetween the crank and bearing.

i though you used platigauge on the crank without the bearings in to figure out what size bearings you need to buy.
 

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By your information in your posts I think you are way over your head, but since Im a nice guy I will explain it to you.

You need to have a bearing inorder to start with, Then you use plastigauge inorder to do a final check on clearances. So if the motor had ROCK standard bearings in REORDER those exact bearing in install them. THEN use plastigauge to double check the clearances to make sure they are no too tight.
You dont have any measurement tools so thats the way you gotta do it.
 

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Discussion Starter · #10 ·
ok i understand now. this is my first time building a bottom end and checking clearences. I was just confused but I understand now thanks man.
 

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allwheeldriveturboboxer
'08 Mazdaspeed3
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ok i understand now. this is my first time building a bottom end and checking clearences. I was just confused but I understand now thanks man.
definately pick up a Helms manual for your year engine. I like the 96-00 manual because it not only has the y7 and y8, but also the b16 so it gives me some info about b16.

Helms manual, the key to everything with your car. trust me, don't build w/o it.
 

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Discussion Starter · #12 ·
im planning on getting the manual for the car.

im stuck right now though because i want to run oem bearings but have no clue as to what color honda bearing i should buy to start with because my bearings wernt oem when i pulled it apart.
 

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allwheeldriveturboboxer
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Discussion Starter · #16 · (Edited)
ok i want to double check and make sure i did this right.

this is for my mains going from pulley to crank:

the block numbers are: CBBBA
the crank numbers are: 32322

So if I did this right then i need: Brown, Yellow, Green, Yellow, and Pink main bearings?

Someone please check this and tell me if I did it right. Thanks.

rods im gunna have to guess because i threw them away not knowing the bearing could be different sizes. Is honda the only one that uses different sized bearing on an engine from the factory?
 

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allwheeldriveturboboxer
'08 Mazdaspeed3
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ok i want to double check and make sure i did this right.

this is for my mains going from pulley to crank:

the block numbers are: CBBBA
the crank numbers are: 32322

So if I did this right then i need: Brown, Yellow, Green, Yellow, and Pink main bearings?

Someone please check this and tell me if I did it right. Thanks.
yes, from crank pulley to flywheel end you have the correct colors. you might want to check the crank (both mains and rod) to make sure the journals are not out of round (ovalled).
 

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Discussion Starter · #18 ·
awesome, thanks for your help everyone.

ill have my dad check the crank for roundness, he'll have the tools to do that.
 

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I'm building a z6 also and their are so many things to check and then double check and then triple check and then check again. You never really respect and engine builder until you try to build and engine yourself.

By the way did you purchase any tools yet?
 
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