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Weisco Pistons
Posted: Sun Apr 03, 2011 10:44 pm
by OhNoA2.0
Looking to start my bottom end build soon. JE only offers a 9.2:1 ratio for the SOHC and I plan on boosting so that's not low enough for my taste. Weisco offers an 8.8:1, but I can't find any solid reviews on them in a Neon. Any words of wisdom?
Posted: Mon Apr 04, 2011 10:57 am
by racer12306
Weisco is good stuff.
Posted: Mon Apr 04, 2011 12:32 pm
by r/tguy02
I agree, NTM wiseco's come with an antifriction coating on the skirts unlike JE
Posted: Mon Apr 04, 2011 1:18 pm
by NiteHawk
you dont HAVE to get 9.2:1 sohc pistons from JE... I got 9.0's for my build...its just a special order and takes a few weeks to get them, thats all...
I got mine through Modern
Posted: Mon Apr 04, 2011 1:20 pm
by racer12306
Could always run the 9.2. More compression is always good, if you have the fuel to handle it.
Posted: Mon Apr 04, 2011 1:27 pm
by DoubtedNeon
racer12306 wrote:Could always run the 9.2. More compression is always good, if you have the fuel to handle it.
even if ur boosting? i would think trying to get down to 8.8 would be better?
Posted: Mon Apr 04, 2011 1:30 pm
by racer12306
If the fuel, gaskets and head bolts/studs can support it, the more compression the better.
In most cases fuel is the limiting factor so most people go with a low c/r.
Posted: Mon Apr 04, 2011 1:38 pm
by NiteHawk
yeah what frank said...
in my build i have 9.0:1 pistons, but i'm also milling the head .030" to bump be up closer to 9.5:1. I'll be running upwards of 25-30psi boost, but using E85 instead of premium gas, so I'll be safe.
Posted: Mon Apr 04, 2011 1:51 pm
by DoubtedNeon
ah. never knew that!
Posted: Mon Apr 04, 2011 1:57 pm
by racer12306
See, I'm not just a pretty face. I've got some info every now and again
The more compression you can run the less lag you will have out of boost.
Posted: Mon Apr 04, 2011 2:13 pm
by DoubtedNeon
nice, prolly wont go down to much if thats the case.
Posted: Mon Apr 04, 2011 2:26 pm
by racer12306
I should also mention that you have a smaller tuning window as you bump compression to go with extra boost.
Posted: Mon Apr 04, 2011 2:43 pm
by DoubtedNeon
lower comp = smaller tune window? wouldnt it be a bigger one because their is more air and more space to work with between the piston and tdc?
Posted: Mon Apr 04, 2011 2:45 pm
by racer12306
That's what I meant, as compression ratio increases you will have a smaller tuning window.
Posted: Mon Apr 04, 2011 2:52 pm
by DoubtedNeon
ah, understood.
Posted: Mon Apr 04, 2011 4:53 pm
by ZeroChad
Posted: Mon Apr 04, 2011 6:15 pm
by heydockyle
Yep. Compression = Power.
Posted: Tue Apr 05, 2011 11:10 am
by OhNoA2.0
Interesting. So now the question is What compression I should run. Its a DD and I want to still use 93oct pump gas. I plan on running a moderate amount of boost to start (12-14 psi) then bumping up to the 20+ range later when I can upgrade. Opinions?
Posted: Tue Apr 05, 2011 11:22 am
by racer12306
Since you want to stay on normal pump gas, go with lower compression.
Posted: Tue Apr 05, 2011 11:28 am
by OhNoA2.0
Would I be safe a 9.0:1? or should I drop down to 8.8
Posted: Tue Apr 05, 2011 7:31 pm
by quicksilvr
OhNoA2.0 wrote:Would I be safe a 9.0:1? or should I drop down to 8.8
Very very very little difference between those two. Shoot, run the car a little rich and get some carbon buildup on the 8.8's and you'll have 9's. lol
I'd get the 9's if it was me. Also, the yellow car has wiseco's in it, they are awesome. Offset wrist pin's rock when it comes to NVH.
Posted: Tue Apr 05, 2011 7:36 pm
by OhNoA2.0
NVH?
Posted: Tue Apr 05, 2011 7:40 pm
by racer12306
Noise Vibration and Harshness
