4agze pistons ina 7afe???, will they fit? Options

[StreetRacing10PS...]

I herd from a few ppl that 4agze pistons will fit in the 7afe, only thing is is that i thought the 4agze was a 1.6 and being that the 7afe is a 1.8 how would they fit?? Would the 4agze pistons be too small??

[doGGy]

K, time to write it again.

As i know for now im the only one who TRYED TO PUT GZE pistons in the 7A.

First: EVERYTHING FITS LIKE IT SHOULD BE.

!!!!!!BUT!!!!!!

I used GZE (or GE)20mm wrist pin pistons. The wrist pin of the GZE is the same diameter as the 7A pins. BUT wrist pins of the GZE (or GE) pistons are FULL FLOATING, 7A pins are PRESS FITED. Difference is what 4AGZE rods have coper/bronze insert in the top of the rod, AND wrist pins float in it, and there is the oiling chanel in the rods for oiling the pins. 7A rods DO NOT have pin insert, DO not HAVE oiling cuz pin is pressure fitted and DOESNT move in the rod pistons move on the pin.

Then puting GZE (or GE) pistons MIND one thing: GZE pistons pins are full floating, so the restriction of the pin floting is in the piston. Then you press fit the GZE pins in the 7A rods - you get what the pistons dont have enouth of movment then they are cold (basicly pistons are stuck on the rods and kinda hard to move by hand if they are cold, but its enouth to heat them up a bit and they start to move...) This was the main reason what i aint used these pistons in my project (cuz i wanted to turbo my engine faster and aint had time to solve all this )

BUT, i asume using your STOCK 7A Pins with along GZE pistons - everything should and i say SHOULD be good... i dont know yet, i will try later about this...

Good luck guys.

[Dr_Tweak]

K, time to write it again.

As i know for now im the only one who TRYED TO PUT GZE pistons in the 7A.

First: EVERYTHING FITS LIKE IT SHOULD BE.

!!!!!!BUT!!!!!!

I used GZE (or GE)20mm wrist pin pistons. The wrist pin of the GZE is the same diameter as the 7A pins. BUT wrist pins of the GZE (or GE) pistons are FULL FLOATING, 7A pins are PRESS FITED. Difference is what 4AGZE rods have coper/bronze insert in the top of the rod, AND wrist pins float in it, and there is the oiling chanel in the rods for oiling the pins. 7A rods DO NOT have pin insert, DO not HAVE oiling cuz pin is pressure fitted and DOESNT move in the rod pistons move on the pin.

Then puting GZE (or GE) pistons MIND one thing: GZE pistons pins are full floating, so the restriction of the pin floting is in the piston. Then you press fit the GZE pins in the 7A rods - you get what the pistons dont have enouth of movment then they are cold (basicly pistons are stuck on the rods and kinda hard to move by hand if they are cold, but its enouth to heat them up a bit and they start to move...) This was the main reason what i aint used these pistons in my project (cuz i wanted to turbo my engine faster and aint had time to solve all this )

BUT, i asume using your STOCK 7A Pins with along GZE pistons - everything should and i say SHOULD be good... i dont know yet, i will try later about this...

Good luck guys.
[right][snapback]350743[/snapback][/right]

We already know this, what about the compression ratio? That's the question that hasn't been confirmed.

-Doc

[doGGy]

CR ratio was CONFIRMED like 10 times already, but it seems like no one read about it as well:

Using Arians 4AGE low comp pistons with 1 mm oversize in 7AFE Edo got 11.01 CR.

I counted what using 4AGZE stock bore pistons you could get at 10.8 CR

Using 2 mm headgasket from HKS and 4AGZE pistons (stock bore), (4AGE headgasket) the CR could be droped at 9.6

K, time to write it again.

As i know for now im the only one who TRYED TO PUT GZE pistons in the 7A.

First: EVERYTHING FITS LIKE IT SHOULD BE.

!!!!!!BUT!!!!!!

I used GZE (or GE)20mm wrist pin pistons. The wrist pin of the GZE is the same diameter as the 7A pins. BUT wrist pins of the GZE (or GE) pistons are FULL FLOATING, 7A pins are PRESS FITED. Difference is what 4AGZE rods have coper/bronze insert in the top of the rod, AND wrist pins float in it, and there is the oiling chanel in the rods for oiling the pins. 7A rods DO NOT have pin insert, DO not HAVE oiling cuz pin is pressure fitted and DOESNT move in the rod pistons move on the pin.

Then puting GZE (or GE) pistons MIND one thing: GZE pistons pins are full floating, so the restriction of the pin floting is in the piston. Then you press fit the GZE pins in the 7A rods - you get what the pistons dont have enouth of movment then they are cold (basicly pistons are stuck on the rods and kinda hard to move by hand if they are cold, but its enouth to heat them up a bit and they start to move...) This was the main reason what i aint used these pistons in my project (cuz i wanted to turbo my engine faster and aint had time to solve all this )

BUT, i asume using your STOCK 7A Pins with along GZE pistons - everything should and i say SHOULD be good... i dont know yet, i will try later about this...

Good luck guys.
[right][snapback]350743[/snapback][/right]

We already know this, what about the compression ratio? That's the question that hasn't been confirmed.

-Doc
[right][snapback]350884[/snapback][/right]