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new rebuild


95cutty96
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Well I broke down and decided to just do a complete rebuild on the 3100 but I want to put a gear drive in it so if anyone knows where I could get one let me know ASAP thanks

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Well that's not what I wanted to hear guys how about forged pistons?

 

i believe Probe is the only company that makes them? and i don't remember if you have to give them measurements first or not...

 

expect 6-700 for a full set. not sure if it includes rings...

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Keep it in the family and do an Aurora swap. Someone was selling a hi-po engine, blocks, and shit load of other parts intended for Indycar use on ebay a while back.

 

Tom

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why in the world would you want forged pistons on a stock rebuild?

 

now that you mention it.... aren't garden-variety 3100 pistons good until like 8psi boost with an intercooler and a good tune?

 

95cutty96, what do you have in mind?

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you dont need forged pistons for a shot of N2O. Unless your planing on a shot thats gonna blow up the whole motor and not just the pistons. But if your planning for a shot that big, you better rebuild/replace more than just pistons. Stock pistons are fine for a 75shot and a little more.

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I just was just wanting to put in some forged ones just in case down the road some time I decide to use some cheater juice :)

you'll be safe up to a 75 shot with the stock pistons.
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I just was just wanting to put in some forged ones just in case down the road some time I decide to use some cheater juice :)

you'll be safe up to a 75 shot with the stock pistons.

 

provided its not the stupid-ass idea of a "dry shot", right?

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I just was just wanting to put in some forged ones just in case down the road some time I decide to use some cheater juice :)

you'll be safe up to a 75 shot with the stock pistons.

 

provided its not the stupid-ass idea of a "dry shot", right?

 

you have to use a wet shot of nitrious if your going to use it at all.

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I just was just wanting to put in some forged ones just in case down the road some time I decide to use some cheater juice :)

you'll be safe up to a 75 shot with the stock pistons.

 

provided its not the stupid-ass idea of a "dry shot", right?

 

you have to use a wet shot of nitrious if your going to use it at all.

 

x2. Don't even mess with dry shot. Easiest way to grenade your engine.

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I just was just wanting to put in some forged ones just in case down the road some time I decide to use some cheater juice :)

you'll be safe up to a 75 shot with the stock pistons.

 

provided its not the stupid-ass idea of a "dry shot", right?

 

you have to use a wet shot of nitrious if your going to use it at all.

 

x2. Don't even mess with dry shot. Easiest way to grenade your engine.

 

thats what i was getting at, just trying to spread information

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plan on a TB adapter or the 3500 TB or......

what about fuel delivery? with a 3100 bottom end and a stock PCM, running 3400 heads intake and plenum. wont this lean the car out?? becuase thats what a 65mm TB?

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It will lean it out, but the computer will cpmsensate for this. Unless its out of the allowable range. But really, it wont be a problem. Many have done it on the stock 3100 tune.

 

Im running a cammed 3400 with P&P on the stock 3100 tune for now. And it hits 12.4AFR at WOT.

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