is this a good piston for a nitrous motor?
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From: Allen Park, MI
is this a good piston for a nitrous motor? ross pistons part #99838
bore 3.905, stroke 3.622, rod lenth 6.098, compression height 1.326, -4cc valve relief.
they are on a set of eagle h-beam rods, im going stock crank, i was just wondering if these pistons could handle a big shot.
i know compression height has a lot to do with it and ring gap, let me know what you people think because i have the chance to get a decent deal on them
bore 3.905, stroke 3.622, rod lenth 6.098, compression height 1.326, -4cc valve relief.
they are on a set of eagle h-beam rods, im going stock crank, i was just wondering if these pistons could handle a big shot.
i know compression height has a lot to do with it and ring gap, let me know what you people think because i have the chance to get a decent deal on them
It should be fine up to about a 200 shot if you talk to Ross. I know that they will handle a 250-300 shot without a problem. Just make sure that your ring end gap has been filed for the larger doses of n2o.
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From: Allen Park, MI
ya, well if i do spray its going to be a hefty amount, im not going to say how much because i know certain people are sneaky and search my posts. who knows, i might stay all motor this year, im not decided yet
i heard compression height has a lot to do with how much spray it can handle and ring gap is a big factor too. i just need to get some money so i can decide what im going to do
i heard compression height has a lot to do with how much spray it can handle and ring gap is a big factor too. i just need to get some money so i can decide what im going to do
Originally Posted by JDP
ya, well if i do spray its going to be a hefty amount, im not going to say how much because i know certain people are sneaky and search my posts. who knows, i might stay all motor this year, im not decided yet
i heard compression height has a lot to do with how much spray it can handle and ring gap is a big factor too. i just need to get some money so i can decide what im going to do
i heard compression height has a lot to do with how much spray it can handle and ring gap is a big factor too. i just need to get some money so i can decide what im going to do
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Compression height has nothing to do with it. It is the distance from the deck of the piston to the first ring land, and the distance from the first ring land to the second ring land. A good nitrous piston should have a minimum distance of .300 between both.
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From: Allen Park, MI
Originally Posted by WE TODD DID
Compression height has nothing to do with it. It is the distance from the deck of the piston to the first ring land, and the distance from the first ring land to the second ring land. A good nitrous piston should have a minimum distance of .300 between both.
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From: Allen Park, MI
Originally Posted by losiguy
Me? Man you gotta tell me I told you its only fair
youll know what i have when its done, if it gets done, lol
Originally Posted by WE TODD DID
Compression height has nothing to do with it. It is the distance from the deck of the piston to the first ring land, and the distance from the first ring land to the second ring land. A good nitrous piston should have a minimum distance of .300 between both.
Originally Posted by 1997bird
I guess that the JE Piston's tech that took my order doesn't know what he is talking about. Did it occur to you that there needs to be a certain distance between the piston face and the wrist pin? That was JE's worry, they didn't want to boil the oil off of the wrist pin from to much heat absorbtion.
So when I was having this custom set of piston's made they never thought to add material around the wrist pin? I am not talking a off of the shelf set of piston's here. These were custom made for the application. I guess JE's commercial account tech's are not smart enough to properly build a set of piston's, but you are?
Originally Posted by 1997bird
So when I was having this custom set of piston's made they never thought to add material around the wrist pin? I am not talking a off of the shelf set of piston's here. These were custom made for the application. I guess JE's commercial account tech's are not smart enough to properly build a set of piston's, but you are?
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From: Allen Park, MI
Originally Posted by WE TODD DID
Nope, its never occurred to me because I've built hundreds of nitrous engines with various compression heights, and I have never had an issue. The only time compression height becomes a factor, is in larger cubic inch nitrous engines where you have less compression height, due to rod/stroke combinations. With less compression height, you can't run as much ring land on the pistons. And btw, I don't use JE pistons for nitrous applications because they don't make good nitrous pistons. They may have an issue with boiling the oil from the pins because there is no material around the pins to dissipate heat from the pin. The only time I even consider JE pistons is in a n/a engine.