OST-050 - a VERY special build
10-05-2018, 09:40 PM
Post: #31
OST-050 - a VERY special build
The assembled short block is back in my hands.....

[Image: AEU86 AE86 - OST-050 - a VERY special build]



isn't it pretty..... with 10.0:1 piston fitted, and a fresh deck Wink

[Image: AEU86 AE86 - OST-050 - a VERY special build]


but "pretty" needs to go to the CORE....... (upper view = 1 & 4 @ TDC, lower view = 2 & 3 @ TDC) a fully balanced bottom end... not only pretty, but BETTER then OEM Exclamation

[Image: AEU86 AE86 - OST-050 - a VERY special build]

Can you find any(all?) of the new balancing??



and to go along with a balanced rotating assembly... more balance.... from the new OEM pulley to a new Toyota pressure plate, and yes even a Toda flywheel needed a tiny bit of balancing... Huh

[Image: AEU86 AE86 - OST-050 - a VERY special build]


more to come....... Hurray!

Dan -

You can |Sad .... OR you can ask for help!!!

OST Porting service - http://hachiroku.net/forums/showthread.php?t=19991
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10-11-2018, 08:55 PM
Post: #32
OST-050 - a VERY special build
from another forum Wrote:I see 1-3 rod caps have been shaved a bit, and the 1 & 4 thinner counterweights have new holes. Everything is so clean, it's hard to tell which of the larger counterweights has new balancing.

Is that an optical illusion, or are those domes coated? I guess it's the rougher surface not reflecting the light like the outer edges of the pistons.

Nothing nicer than seeing a newly-balanced rotating assembly Exclamation

the main counter weights also got a few small weight/mass adjustments.... domes are not coated... just a lighting thing.



Moving on to more restoration work...

What color are the OEM cam covers......??? Silver, or something else???

[Image: AEU86 AE86 - OST-050 - a VERY special build]



more to come.... Big Grin

Dan -

You can |Sad .... OR you can ask for help!!!

OST Porting service - http://hachiroku.net/forums/showthread.php?t=19991
Find all posts by this user


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