SuzukiSavage.com - looking for input

henroc

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looking for input
08/11/18 at 19:40:35

I ordered a .5 oversize piston for my 2000 Suzuki savage 650ls. Guessing when I ordered it from partszilla my reading wasn't so great. Simply thought saving $$ ordering a piston rings set would be better than seperatly but in turn I would have got the right one.

What I'm asking is can the stock cylinder handle the bore to .5 more than stock. Gonna find out Monday when I take it into a machine shop for a price.just figured I would seek from those who have done mods to motor.

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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: looking for input Reply #1 - 08/11/18 at 23:55:41 A few guys know what sizes and whose piston is right. It's out there in the forum, I can't find it, maybe you can, or someone will point the way. Wiseco , IIRC, is the manufacturer these guys have been using..
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Re: looking for input
Reply #2 - 08/12/18 at 03:39:47

The stock piston is 94mm.......it sounds like you are going to a 94.5mm.

The Wiseco pistons we install come in the stock 94mm.....or oversize in 95, 96 and 97mm. Going bigger than 97mm results in the cylinder sleeve being too thin.

Your 94.5mm will work just fine - as long as the machine shop does a good job making the hole the right size.

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LANCER Serious Thumper Alliance Member Offline Savage Beast Performance Parts Posts: 10607 Oklahoma Gender:	Re: looking for input Reply #3 - 08/12/18 at 04:55:46 The stock size Wiseco pistons (94mm) are available now and don’t cost any more than a Suzuki piston with stock Compression. Why go with stock Compression (8.5:1)when you can get with a Wiseco with 10.5:1 Compression ? No boring required, just a hone. The 94.5mm piston will require boring the cylinder.
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henroc YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 24	Re: looking for input Reply #4 - 08/12/18 at 16:01:33 Thanks guys. When you raise compression you need to add more upgrades and I'm working with cognac taste but beer wallet. Just want it to run not looking to race it. I made the mistake so looking to correct it and move along. I'll end up having it bored and go from there. Just curious of how much you can bore safely.
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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: looking for input Reply #5 - 08/12/18 at 17:13:57 When you raise compression you need to add more upgrades and I'm wor What needs done along with compression ratio?
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henroc YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 24	Re: looking for input Reply #6 - 08/12/18 at 19:47:12 Air fuel mix and exhaust. Not looking to achieve horsepower just make it run.
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justin_o_guy2 Serious Thumper Offline What happened? Posts: 55279 East Texas, 1/2 dallas/la.	Re: looking for input Reply #7 - 08/12/18 at 23:46:03 Seems like the savings on Not having to bore it out would be a good thing.
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jcstokes Serious Thumper Offline SuzukiSavage.com is very useful Posts: 2119 Mauku New Zealand Gender:	Re: looking for input Reply #8 - 08/13/18 at 01:11:08 What grade of petrol would you need to run the 10.5.1 Wiseco?
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LANCER Serious Thumper Alliance Member Offline Savage Beast Performance Parts Posts: 10607 Oklahoma Gender:	Re: looking for input Reply #9 - 08/13/18 at 04:07:55 jcstokes wrote on 08/13/18 at 01:11:08: What grade of petrol would you need to run the 10.5.1 Wiseco? You should run Premium fuel with the higher compression. That adds about $0.50 to the cost of a tank fill up. And no, you do not need to do any other engine mods unless you just want to.
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henroc YaBB Newbies Offline SuzukiSavage.com Rocks! Posts: 24	Re: looking for input Reply #10 - 08/13/18 at 16:20:56 Had a guy tell me at machine shop that without compensation for the larger compression you can get a pre detonation which makes it knock and does damage doing so? Does this apply or true To these savages. I am no expert! I'm here seeking knowledge about everything I don't know.
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Re: looking for input
Reply #11 - 08/13/18 at 18:27:58

henroc wrote on 08/13/18 at 16:20:56:

Had a guy tell me at machine shop that without compensation for the larger compression you can get a pre detonation which makes it knock and does damage doing so? Does this apply or true To these savages.

Yes - That is why everyone is telling you to run premium fuel if you install the Wiseco piston. The extra compression bumps up the horsepower a bit - but also requires a higher octane fuel.

The Wiseco piston makes a noticeable performance improvement....I would never bother with the stock piston if I had to replace a damaged one.

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