scratch piston

[dking91]

Hai..i got.little problem here.. My block alrdy scratch and need to rebore but alrdy 82mm(4g93) so i bought new enjin kosong...my concern is can i use the old 82mm toto piston with condition like in the pictureshttps://www.zerotohundred.com/forums/attachments/552460.vBhttps://www.zerotohundred.com/forums/attachments/552461.vBhttps://www.zerotohundred.com/forums/attachments/552462.vB

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[Izso]

Looks ok to me. But if you're not comfortable buy new ones la.

 

[dking91]

Need sifus opinion 1st..also consider buying new piston 81.5mm but need to recalculate bajet..hihihi btw if i want buy new piston which brand is good??sakura/trim?

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[Shinjite]

As for me, I would just get a new set of pistons

 

[vr2turbo]

Agree, since already getting new block to bore. No point using old stuffs especially critical parts

 

[dking91]

Ok sifus...which brand hve oem quality?


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[Izso]

Budget?

Wiseco? CP Pistons?

 

[^pomen_GTR^]

why not just take 82.5mm piston?

http://www.mudah.my/TOTO+Piston+82mm+82+5mm+For+Proton+4G93+Mivec-25765561.htm


save the hassle of getting the new engine block registered....

 

[dking91]

Budget?

Wiseco? CP Pistons?

Aiyoo not that kind of bajet.. Just cheap brand at sparepart


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[dking91]

why not just take 82.5mm piston?

http://www.mudah.my/TOTO+Piston+82mm+82+5mm+For+Proton+4G93+Mivec-25765561.htm


save the hassle of getting the new engine block registered....

The old block also unregistered [emoji28] ..also thinking about 82.5 but i think not enough coz the upper block expand to much..i check by putting the piston ring in the block n see the gap to big n in the bottom the gap normal piston ring almost close..

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[vr2turbo]

Old block very worn then, cannot change the cylinder sleeves?

 

[dking91]

Old block very worn then, cannot change the cylinder sleeves?

I asked the engineering..the cost 950 to change the sleeves...

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[vr2turbo]

Means the engine kosong is cheaper?

 

[dking91]

Means the engine kosong is cheaper?

Enjin kosong i bought rm1k.. I make that choice coz i heard that changing the sleeves also got risk of improper sleeves installation.... About pistons i just bought yesterday evening brand Tt
.. Seem ok to me...

http://uploads.tapatalk-cdn.com/20160318/987714930f54dbe294ca07c7ee446cd7.jpg

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[dking91]

https://www.zerotohundred.com/forums/attachments/552536.vB

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[vr2turbo]

Enjin kosong i bought rm1k.. I make that choice coz i heard that changing the sleeves also got risk of improper sleeves installation.... About pistons i just bought yesterday evening brand Tt

Why I ask is because my mechanic always re-sleeve overheated engine. Lately Toyota ones because the lining very thin and when overheat it goes out of shape and cannot re-bore

 

[dking91]

Ok next time might consider resleeves. Btw resleeves cost that much???

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[vr2turbo]

Ok next time might consider resleeves. Btw resleeves cost that much???

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I did not ask about the cost to re-sleeve....

 

[dking91]

I did not ask about the cost to re-sleeve....

Alrite..next project mybe will do thx for the info [emoji1]

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[vr2turbo]

You are welcome, at least another option.....