wanna see what ebay pistons look like?

4-Cyl. Technical/Performance Discussions
npspears
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wanna see what ebay pistons look like?

Post by npspears »

Well, I emailed the guy selling the engine kit for the 1.6L DOHC today, to see if the valve stem seals come with the gasket set (they do) and he also emailed pics of the pistons (didn't ask him too, probably trying to sell his product).

Image

Is it possible to tell if pistons are good quality just by a picture? I doubt it, but doesn't hurt to ask. Not sure what that blue spec is all about. What do you guys think of these pistons?
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MCNano117
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Re: wanna see what ebay pistons look like?

Post by MCNano117 »

I can't tell you the quality of those, but here's mine that I just pulled out of a 1.6 DOHC B6 if you want to compare:
Image
Image
1994 Mazda MX3 RS | Rebuilt B6DE | Stock
wytbishop
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Re: wanna see what ebay pistons look like?

Post by wytbishop »

Do yo uhave a picture of the top of a clean stock piston? I'm curious about one thing.
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se7en
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Re: wanna see what ebay pistons look like?

Post by se7en »

to the OP, those look like generic factory replacement cast pistons....good enough if you want to be stock, or mildly upgraded.....

that blue dot is just a factory quality control mark.(they mark them to show that they have been looked over...)
1992 mx-3 GS-T, 10-12psi, T3/t4 hybrid, Turbosmart WG, AFPR, SSAC TURBO pipes, MSD Blaster coil, K&N, AEM W/B, MSnS(full standalone), 225Whp street tuned(10psi), 245Whp (12psi)(300bhp!!!)
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wytbishop
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Re: wanna see what ebay pistons look like?

Post by wytbishop »

Hey Sev...

Are the stock slugs fully cast? Do the not machine the valve reliefs?
94' RS/GS/MS/CF Monster Turbo...coming soon.
93' GS SE, the Black Beast, the former love of my life...soon to be gutted and crushed.
94' GS, black on black, now in several small pieces...and one large crushed piece.
2007 Mazda3 GT Sport --- super fun
2004 Honda RC51 --- Lost forever to some theavin' bastard
My Worklog
My feedback thread
Never attribute to malice that which can be adequately explained by stupidity.
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se7en
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Re: wanna see what ebay pistons look like?

Post by se7en »

When I say cast, I mean 'NOT FORGED'.

all pistons are machined on the sides, and top.

and some on the bottom too :)

as well as the wrist pin bore.

I hope that helps.

7
1992 mx-3 GS-T, 10-12psi, T3/t4 hybrid, Turbosmart WG, AFPR, SSAC TURBO pipes, MSD Blaster coil, K&N, AEM W/B, MSnS(full standalone), 225Whp street tuned(10psi), 245Whp (12psi)(300bhp!!!)
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npspears
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Re: wanna see what ebay pistons look like?

Post by npspears »

he only sent me two pics. So here is the other one

Image
wytbishop
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Re: wanna see what ebay pistons look like?

Post by wytbishop »

se7en wrote:When I say cast, I mean 'NOT FORGED'.

all pistons are machined on the sides, and top.

and some on the bottom too :)

as well as the wrist pin bore.

I hope that helps.

7
Yeah I understadn that, but I'm thinking that carbon is going to build up fast on the rough casting surface in the valve relief area. I would have though that factory pistons would have the valve reliefs machined.
94' RS/GS/MS/CF Monster Turbo...coming soon.
93' GS SE, the Black Beast, the former love of my life...soon to be gutted and crushed.
94' GS, black on black, now in several small pieces...and one large crushed piece.
2007 Mazda3 GT Sport --- super fun
2004 Honda RC51 --- Lost forever to some theavin' bastard
My Worklog
My feedback thread
Never attribute to malice that which can be adequately explained by stupidity.
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se7en
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Re: wanna see what ebay pistons look like?

Post by se7en »

nah, it doesn't really build up that much faster man....think of the head surfaces, they aren't machined either...
Don't get me wrong though...polished pistons and combustion chambers 'for the win'.
7
1992 mx-3 GS-T, 10-12psi, T3/t4 hybrid, Turbosmart WG, AFPR, SSAC TURBO pipes, MSD Blaster coil, K&N, AEM W/B, MSnS(full standalone), 225Whp street tuned(10psi), 245Whp (12psi)(300bhp!!!)
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Ryan
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Re: wanna see what ebay pistons look like?

Post by Ryan »

In 5 years, I can machine pistons for you all :)
Now with Moderator power!

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Black GS - Summer DD/Race car - Fancy KLZE
Red GS - K8-ATX -> MTX-KLDE - Frakencar. Scrapped
White GS - Rusty. Parts. Scrapped
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MCNano117
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Re: wanna see what ebay pistons look like?

Post by MCNano117 »

I need them NOW! :twisted:
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Ryan
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Re: wanna see what ebay pistons look like?

Post by Ryan »

sadly, I haven't even started secondary education :) would be cool though eh? I'm going for machining. I could custom do everything :) I just couldn't weld, or forge, or cast.... but I would definately have connections :) I hope to have my own shop one day and run a business out of it with all those options. Thats after I get my mechanical engineering degree :)
Now with Moderator power!

Black '93 BP RS - wrecked, parted, scrapped.
Green GS - Sold.
Black GS - Summer DD/Race car - Fancy KLZE
Red GS - K8-ATX -> MTX-KLDE - Frakencar. Scrapped
White GS - Rusty. Parts. Scrapped
1997 BMW M3 - my summer baby
2002 BMW 325Xi - sold
2003 Forester Xti - EJ20K swapped.
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npspears
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Re: wanna see what ebay pistons look like?

Post by npspears »

well hopefully in five years you will still be into mx-3's so you can make some custom stuff for us. But if you didn't make stuff for us, I'm sure you'd be a BIG help in other ways.
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onlytrueromeo
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Re: wanna see what ebay pistons look like?

Post by onlytrueromeo »

Custom machined 1 piece mx3 chassis - lol
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mx-3_4evr
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Re: wanna see what ebay pistons look like?

Post by mx-3_4evr »

Well you can go through ebay or go through Importperformanceparts.net I'm making my order monday! I'm going with the OEM engine kit + HV oil pump + Toga bearings = :D The total comes to $488 + shipping, but I know I will receive a good quality product. I just don't trust ebay when it comes to engine internals :shrug: Good luck on your build man!
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