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 Post subject: oversize pistons
PostPosted: Tue Feb 19, 2013 1:24 am 
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Joined: Sat Oct 15, 2011 5:03 am
Posts: 204
Location: lake stevens, wa
I have Been looking for reasonably priced oversized pistons for a 1.3 8 valve (1996). I called all the local stores and shopped online for a couple days. And all i can come up with is stock bore and then srd forged (way over my budget).

Does anyone have a line on some pistons? Or point me a direction? Thanks

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GEO MAFIA!
00 swift 2dr turbo 1.3 5spd 4.10. Sold to friend.
93 geo metro with 96 1.3 5spd swap turboed at 5psi. roommates.
14 ford Mustang v6.


Last edited by sledgehammer on Tue Feb 19, 2013 9:09 am, edited 1 time in total.

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 Post subject: Re: oversize pistons
PostPosted: Tue Feb 19, 2013 4:27 am 
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Location: Christchurch NZ, quake capital
What year engine is that? I have a set of 2nd hand flat top pistons, 0.5mm oversize, they are out of a early 1.3 sohc 8 valve engine.

US$65 + postage From NZ if you want to try them.

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 Post subject: Re: oversize pistons
PostPosted: Tue Feb 19, 2013 9:18 am 
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Location: lake stevens, wa
We really need to keep compression down because its turbocharged. Also we want to bore it like 2mm over. Id like to use vitara pistons but i cant find enough solid info for the 8 valve vitaras and how they effect compression.


If anyone has info on vitara pistons that'd be helpful too.

_________________
GEO MAFIA!
00 swift 2dr turbo 1.3 5spd 4.10. Sold to friend.
93 geo metro with 96 1.3 5spd swap turboed at 5psi. roommates.
14 ford Mustang v6.


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 Post subject: Re: oversize pistons
PostPosted: Wed Feb 20, 2013 8:15 pm 
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Joined: Sat Oct 15, 2011 5:03 am
Posts: 204
Location: lake stevens, wa
Did a lot of searching and contacted Jard at turbine tech, my results are that vitaras arent practical and forged isnt cheap. I called wiseco but they were closed. I searched rockauto.com and found some sidekick pistons that are 40 over, which should be 76mm.

Are the pin heights the same on the 1.3 and 1.6? If so i might use stock g16a pistons

_________________
GEO MAFIA!
00 swift 2dr turbo 1.3 5spd 4.10. Sold to friend.
93 geo metro with 96 1.3 5spd swap turboed at 5psi. roommates.
14 ford Mustang v6.


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 Post subject: Re: oversize pistons
PostPosted: Fri Feb 22, 2013 4:25 pm 
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Location: Arizona
You need Sidekick pistons G16K . I've been using them in my Mk1 T3 for 100K miles . They have floating pin so if your car has pressed in pin you will need either GTi or T3 rods for them. I think that valve cut outs are in correct place to keep it non interference. Also they are 75mm I think stock pistons are 74mm so if you bore it out to 76mm that's .80 over . Don't think there is room for that ..........


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 Post subject: Re: oversize pistons
PostPosted: Fri Feb 22, 2013 6:04 pm 
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Suzuki Elder
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Joined: Mon Dec 01, 2003 12:47 pm
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Location: columbus, ohio
what engine are you working on?

i keep advising you guys to list your engine type in your signature line so that it's right there for anyone willing to reply in your threads to see.

stock pistons are 74mm. you can bore the cylinders over to 75mm, or a 40 thousandths over bore and still maintain a nominal liner thickness. a 76mm bore would result in paper thin bore liners.

when i was building my lil' black monster turbo3 i used the vitara pistons that jard sent to me and that engine turned out pretty neat.
Image

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1991 Blue Geo Metro Convertible highly modified 1.0L Turbo3 5 spd. - 1991 Red Geo Metro Convertible customized with a Twincam 5 spd.

My Turbo3 Project
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 Post subject: Re: oversize pistons
PostPosted: Fri Feb 22, 2013 6:43 pm 
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t3 ragtop wrote:
what engine are you working on?

i keep advising you guys to list your engine type in your signature line so that it's right there for anyone willing to reply in your threads to see.

stock pistons are 74mm. you can bore the cylinders over to 75mm, or a 40 thousandths over bore and still maintain a nominal liner thickness. a 76mm bore would result in paper thin bore liners.

when i was building my lil' black monster turbo3 i used the vitara pistons that jard sent to me and that engine turned out pretty neat.
Image


I have thought about using studs it looks like you went with studs any advantage to them ?

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 Post subject: Re: oversize pistons
PostPosted: Sat Feb 23, 2013 12:29 am 
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Location: columbus, ohio
superior clamping and reduced thread stresses on the block.
Image

i hate it when the 4 exposed head bolts start looking like rust balls and here in the rust belt it only takes a year for the heads of those 4 bolts to look like hell. i had my head bolts made from 17-4 stainless alloy that has a higher tensile strength than grade 8 or 10.9 hardware and never rusts.

i also use a2 stainless studs and flange nuts on the intake and exhaust manifolds and a2 stainless socket head hardware to assemble the engine. after putting a lot of effort into building an engine the internals are hidden so i try to make the outside special, too. :wink:

_________________
1991 Blue Geo Metro Convertible highly modified 1.0L Turbo3 5 spd. - 1991 Red Geo Metro Convertible customized with a Twincam 5 spd.

My Turbo3 Project
My Cardomain Page -Ol' Blue
My YouTube Channel
My Photo Gallery
SAAB Sonett II


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 Post subject: Re: oversize pistons
PostPosted: Sat Feb 23, 2013 11:04 am 
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Joined: Sat Oct 15, 2011 5:03 am
Posts: 204
Location: lake stevens, wa
t3 ragtop wrote:
what engine are you working on?

i keep advising you guys to list your engine type in your signature line so that it's right there for anyone willing to reply in your threads to see.

stock pistons are 74mm. you can bore the cylinders over to 75mm, or a 40 thousandths over bore and still maintain a nominal liner thickness. a 76mm bore would result in paper thin bore liners.

when i was building my lil' black monster turbo3 i used the vitara pistons that jard sent to me and that engine turned out pretty neat.


The engine info was in the first post. Anyway thanks for pointing out the sleeve thickness. I was thinking they were the same but the g16 was just bored by bigger.

_________________
GEO MAFIA!
00 swift 2dr turbo 1.3 5spd 4.10. Sold to friend.
93 geo metro with 96 1.3 5spd swap turboed at 5psi. roommates.
14 ford Mustang v6.


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 Post subject: Re: oversize pistons
PostPosted: Sat Feb 23, 2013 12:41 pm 
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Location: columbus, ohio
sledgehammer wrote:
t3 ragtop wrote:
The engine info was in the first post.


my point exactly. any reader that joins the thread later than the first post would have to go looking for the information rather than to see it in your signature line in every one of your posts.

you can also go to the user control panel to add the information to the line under your avatar which would make your engine type immediately available to readers.

_________________
1991 Blue Geo Metro Convertible highly modified 1.0L Turbo3 5 spd. - 1991 Red Geo Metro Convertible customized with a Twincam 5 spd.

My Turbo3 Project
My Cardomain Page -Ol' Blue
My YouTube Channel
My Photo Gallery
SAAB Sonett II


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 Post subject: Re: oversize pistons
PostPosted: Sat Feb 23, 2013 8:05 pm 
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Joined: Mon Dec 01, 2003 12:47 pm
Posts: 11669
Location: columbus, ohio
http://www.ebay.com/itm/86-95-Suzuki-Sa ... 53ea0b1848

just a quick look at my list of suppliers. i'm sure that you can find others. i've had several transactions with this merchant and they are okay by me. :wink:

_________________
1991 Blue Geo Metro Convertible highly modified 1.0L Turbo3 5 spd. - 1991 Red Geo Metro Convertible customized with a Twincam 5 spd.

My Turbo3 Project
My Cardomain Page -Ol' Blue
My YouTube Channel
My Photo Gallery
SAAB Sonett II


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 Post subject: Re: oversize pistons
PostPosted: Sat Feb 23, 2013 9:56 pm 
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@ssclown
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Joined: Sun Aug 01, 2010 11:49 pm
Posts: 687
Location: seattle
t3 ragtop wrote:
what engine are you working on?

i keep advising you guys to list your engine type in your signature line so that it's right there for anyone willing to reply in your threads to see.

stock pistons are 74mm. you can bore the cylinders over to 75mm, or a 40 thousandths over bore and still maintain a nominal liner thickness. a 76mm bore would result in paper thin bore liners.

when i was building my lil' black monster turbo3 i used the vitara pistons that jard sent to me and that engine turned out pretty neat.
Image



Thanks for all of the info i found these
http://www.ebay.com/itm/89-99-SUZUKI-SA ... 90&vxp=mtr

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 Post subject: Re: oversize pistons
PostPosted: Sun Feb 24, 2013 2:01 am 
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Joined: Sat Oct 15, 2011 5:03 am
Posts: 204
Location: lake stevens, wa
t3 ragtop wrote:
sledgehammer wrote:
t3 ragtop wrote:
The engine info was in the first post.


my point exactly. any reader that joins the thread later than the first post would have to go looking for the information rather than to see it in your signature line in every one of your posts.

you can also go to the user control panel to add the information to the line under your avatar which would make your engine type immediately available to readers.


Fixed.

_________________
GEO MAFIA!
00 swift 2dr turbo 1.3 5spd 4.10. Sold to friend.
93 geo metro with 96 1.3 5spd swap turboed at 5psi. roommates.
14 ford Mustang v6.


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 Post subject: Re: oversize pistons
PostPosted: Sun Feb 24, 2013 10:52 am 
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Suzuki Elder
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Joined: Mon Dec 01, 2003 12:47 pm
Posts: 11669
Location: columbus, ohio
yummy, that's another parts house i have bookmarked. i've dealt with cns auto parts, too.

they're okay, as well. :wink:

_________________
1991 Blue Geo Metro Convertible highly modified 1.0L Turbo3 5 spd. - 1991 Red Geo Metro Convertible customized with a Twincam 5 spd.

My Turbo3 Project
My Cardomain Page -Ol' Blue
My YouTube Channel
My Photo Gallery
SAAB Sonett II


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 Post subject: Re: oversize pistons
PostPosted: Sun Feb 24, 2013 12:43 pm 
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Location: seattle
t3 ragtop wrote:
yummy, that's another parts house i have bookmarked. i've dealt with cns auto parts, too.

they're okay, as well. :wink:


Good to know. My goal is not to cheap out on the parts. I'm planning on buying that set or one just like that. Here is another goof ball question. Will the connecting rods from my G10 1.0 work with the Pistons i posted a link to?
Thanks

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 Post subject: Re: oversize pistons
PostPosted: Sun Feb 24, 2013 2:54 pm 
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Yes, but the pin height is different so you will have to machine some material off the top for zero deck height, or deal with the extra compression. I'm going to guess that it might be close to 11-1

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 Post subject: Re: oversize pistons
PostPosted: Sun Feb 24, 2013 9:19 pm 
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suprf1y wrote:
Yes, but the pin height is different so you will have to machine some material off the top for zero deck height, or deal with the extra compression. I'm going to guess that it might be close to 11-1


Good to know Mike I would like to avoid taking anything off of them if possible.Any advice on over coming this and still bore them out .

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 Post subject: Re: oversize pistons
PostPosted: Mon Feb 25, 2013 9:13 am 
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What are you trying to do with your G10?

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 Post subject: Re: oversize pistons
PostPosted: Mon Feb 25, 2013 10:42 am 
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Location: seattle
suprf1y wrote:
What are you trying to do with your G10?


Simple answer is more than Suzuki intended to with it. I want to pull as much HP out of it as possible I'm not concerned about Gas mileage. I will have the engine out soon so I'm gathering all the parts necessary and asking as many dumb questions as possible so that i have my ducks in a row when the engine is on my stand. I had considered boring it out but i was not sure how far i could go before i needed larger pistons. When it's all said and done i may just hone the cylinders thats if boring them out is not worth the time or money.

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 Post subject: Re: oversize pistons
PostPosted: Mon Feb 25, 2013 11:12 am 
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Do a test fit. They might work ok, as long as you measure the deck height and verify it first. I was after zero deck, but you may be able to have it stick out of the deck .010" or so.

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 Post subject: Re: oversize pistons
PostPosted: Mon Feb 25, 2013 12:47 pm 
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suprf1y wrote:
Do a test fit. They might work ok, as long as you measure the deck height and verify it first. I was after zero deck, but you may be able to have it stick out of the deck .010" or so.

Thanks i will measure it.Nothing is more frustrating then completing the build and having things go south after all the hard work.I do have a engine on my stand right. Now so i may play with that one first.

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 Post subject: Re: oversize pistons
PostPosted: Mon Feb 25, 2013 12:49 pm 
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t3 ragtop wrote:
yummy, that's another parts house i have bookmarked. i've dealt with cns auto parts, too.

they're okay, as well. :wink:


Did you have issues with the pistons sitting to high?

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 Post subject: Re: oversize pistons
PostPosted: Mon Feb 25, 2013 7:25 pm 
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Location: columbus, ohio
i used them for rings, bearings, gaskets, brake components, timing belt kits, water pumps, and oil pumps.

i have never bought pistons from them. :wink:

_________________
1991 Blue Geo Metro Convertible highly modified 1.0L Turbo3 5 spd. - 1991 Red Geo Metro Convertible customized with a Twincam 5 spd.

My Turbo3 Project
My Cardomain Page -Ol' Blue
My YouTube Channel
My Photo Gallery
SAAB Sonett II


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 Post subject: Re: oversize pistons
PostPosted: Mon Feb 25, 2013 9:21 pm 
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t3 ragtop wrote:
i used them for rings, bearings, gaskets, brake components, timing belt kits, water pumps, and oil pumps.

i have never bought pistons from them. :wink:


ok got it.What Pistons did you use?

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 Post subject: Re: oversize pistons
PostPosted: Tue Feb 26, 2013 7:25 pm 
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Location: Great Falls ,Mt.
You can get .020 and .040 oversize from partsdinosaur if you're OK with cast pistons.


Ken.....


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