Catatafish
Catatafish Reader
11/20/12 8:40 p.m.

Hey guys, i stupidly bought these pistons cheap without enough documents, i was told they were 8.5:1 compression 4age pistons. How do i find out who made these pistons!

44Dwarf
44Dwarf SuperDork
11/20/12 9:10 p.m.

MT-13101-16070 .50 PISTON/PIN SET NOA 4AGE/GELC COROLLA 88-89 11-660-2
-2 is .50 -0 is STD http://cesautoparts.com/pdfs/Engine%20Parts.pdf

Catatafish
Catatafish Reader
11/20/12 9:25 p.m.

That page doesn't go anywhere!

Javelin
Javelin MegaDork
11/20/12 9:55 p.m.

The doc opens for me, and this is the line:

"MT-13101-16070 .50 PISTON/PIN SET NOA 4AGE/GELC COROLLA 88-89 11-660-2"

Further research using the MT-13101-16070 number seems to indicate that it's an OEM replacement service part.

wbjones
wbjones UltraDork
11/20/12 9:56 p.m.

link doesn't work for me either

peter
peter HalfDork
11/20/12 10:00 p.m.

Try this

Original url had a space in it, which apparently the forum mangled, except for Jav.

wbjones
wbjones UltraDork
11/20/12 10:15 p.m.

that did it

Catatafish
Catatafish Reader
11/20/12 10:40 p.m.

any chance they are nos 4age supercharged pistons?

44Dwarf
44Dwarf SuperDork
11/21/12 7:04 a.m.

hum... i cut and pasted the link. All i did was google piston and the number and found two of the same pages one was pdf then used Ctrl F to pop up the find window and searched the page...

jimbbski
jimbbski Reader
11/21/12 10:03 a.m.
Catatafish wrote: any chance they are nos 4age supercharged pistons?

Did they use cast pistons in a turbo? The pics show that the pistons are cast.

oldeskewltoy
oldeskewltoy Dork
11/21/12 11:37 a.m.

those are NOT 4AGZE slugs... those are crappy cast pistons you DON'T want to run boost through......

Why you don't want to run boost through those... you ask??

See the slit? that slit allows the excess oil to be wiped from the cylinder wall. Slit type oil returns lead to piston ring land failures. true high performance pistons will not have a slit there, there will be many round holes instead

Here are the domes of the 2 factory 4AGZE pistons

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