Best viper triple pipes?

Millinocket Rocket said:
I would also seriously consider adding heads with better cooling than the Viper head when adding triples.
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Yeah the Bender Opticool head gaskets are what you would need.
 

mrviper, can you help me out, can you give me a rpm to shoot for when clutching this thing, i can't find a dyno sheet through google anywhere, to find the peak rpm on the viper with bende pipes, i'm pretty sure the viper stock is 85-8600 peak rpm horsepower correct? with bender pipes it's 8900-9000? also can you give me a starter clutch/gear set up, for a base line starter. i putting some 8 tooth anti ratchet drivers on and have no clue where to start with gearing. my brother is going to be helping me with clutching it and he knows his way around both clutches, just wondering where i should start. Additional information you might want is i'm in upstate ny, mainly trail riding and off trail riding. i'm not worried about top end, only looking to go 660'. thank for the help
 
snoprokidf6 said:
mrviper, can you help me out, can you give me a rpm to shoot for when clutching this thing, i can't find a dyno sheet through google anywhere, to find the peak rpm on the viper with bende pipes, i'm pretty sure the viper stock is 85-8600 peak rpm horsepower correct? with bender pipes it's 8900-9000? also can you give me a starter clutch/gear set up, for a base line starter. i putting some 8 tooth anti ratchet drivers on and have no clue where to start with gearing. my brother is going to be helping me with clutching it and he knows his way around both clutches, just wondering where i should start. Additional information you might want is i'm in upstate ny, mainly trail riding and off trail riding. i'm not worried about top end, only looking to go 660'. thank for the help
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I would shoot for 87-8800rpm. I can help with clutching but would need to know what parts you have or wanna use. With 8 tooth drivers your gearing is already gonna be lower, if you use the stock 22/38 youll have a 1.94 ratio, pretty short gears, but if your only gonna run out up to 660ft, it will be very responsive and quick.
 
thanks for the starter on the gearing, as for clutch parts, i have stock parts haha. going to a swap meet to see what i can pick up for cheap then going from there.
 
Millinocket Rocket said:
I would also seriously consider adding heads with better cooling than the Viper head when adding triples.
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Yep! Either an Opticool headgasket or Aftermarket heads with more coolant flow.


I picked up a Peak Billet head with large 24 cc domes (I'm at a lower elevation) and a water coolant rail that feeds lots of coolant throught there.


The Peak head:
IMG_0190.jpg




What I've heard is the Clutch/PTO side cylinder gets starved of coolant and can get really hot with stock Viper head b/c does not have enough coolant flow.....




And definitely the rear cooler if yours didn't come with it. The Mt Viper came with a rear cooler, so I didn't need it. I guess I've heard some didn't have that. How strange!





Just my $.02!



Mike
 
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Can someone explain to me how the opticool headgasket can cool more? Hauck send me one of these when I bought the 780 kit, and it´s much smaller holes in that gasket and the oem. What I can see the oem must cool the engine better or do I think wrong?
 
viperhauck said:
Can someone explain to me how the opticool headgasket can cool more? Hauck send me one of these when I bought the 780 kit, and it´s much smaller holes in that gasket and the oem. What I can see the oem must cool the engine better or do I think wrong?
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the hauck head gasket has smaller holes in it, to restrict the coolant flow a little more, so the coolant has time to absorb the heat from the heads and cylinders, where as the stock head gasket w/large holes lets the coolant flow thru too fast that it doesn't have as much time to absorb the heat. follow me?
 
Super Sled said:
What I've heard is the Clutch/PTO side cylinder gets starved of coolant and can get really hot with stock Viper head b/c does not have enough coolant flow.....
Mike
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i never heard that. on vipers the mag cyl likes to be the hot one w/stock head.
 
mopar1rules said:
i never heard that. on vipers the mag cyl likes to be the hot one w/stock head.
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OK, I stand corrected if I was wrong Mopar1.


I thought it was the faaaar side -- the PTO side. Not enough coolant getting there. But I was clearly mistaken and I stand corrected. My analysis was the cold coolant flows into the head on the mag side from the coolers and by the time it got over to the far side (PTO or clutch side) that the water was hot and did not cool the engine at all, so it got hot there. But not so....



So if i hear ya, it is the near side, the mag side, right where the coolant flows into the head, it gets hot there. Flows by too fast?



Then reading your last post about the Opticool gasket with the smaller holes, I am guessing that the coolant on a stock head gasket and head simply flows into and out of the head too quickly, especially right where the cold coolant flows directly into the head, and that is where is gets too hot.



That is wierd and seems very counter intuitive to me, but I believe you, Mopar1!!!!!!!



It would just seem it'd be the far side that got too hot! I guess i always assumed it was the far side, and was wrong!




Mike
 
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can anyone tell me where i should start on a jet size for my viper with triple pipes? riding at low elevations, upstate NY tug hill area
 
mopar1rules said:
the hauck head gasket has smaller holes in it, to restrict the coolant flow a little more, so the coolant has time to absorb the heat from the heads and cylinders, where as the stock head gasket w/large holes lets the coolant flow thru too fast that it doesn't have as much time to absorb the heat. follow me?
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Yes now I get it. I´ll try that gasket this year then. Thanks
 
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