Single vs Twins
03-15-2007, 02:35 PM
#5
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depends on what the use of the truck is. if it's a dyno queen, a really large single is optimum because you dont care about lag time and there are large drive pressures associated with compounds. sled pulling, you can get away with a large single since you are trans braking until the launch boost is acheived. drag racing, twins are going to be the hot ticket. towing, twins hands down. all depends on the use, or so i have read.
03-15-2007, 02:37 PM
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Twins= ALOT MORE MONEY. With a single, all you have to do is pretty much replace it right where the existing turbo was and if you go the TWINS route then you need a crap load of helping mods and different piping....etc I think a bigger single IMO would be fine.
03-15-2007, 02:40 PM
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depends on what the use of the truck is. if it's a dyno queen, a really large single is optimum because you dont care about lag time and there are large drive pressures associated with compounds. sled pulling, you can get away with a large single since you are trans braking until the launch boost is acheived. drag racing, twins are going to be the hot ticket. towing, twins hands down. all depends on the use, or so i have read.
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03-15-2007, 03:19 PM
#9
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Well I have a big single and am satisfied with it. Mine is not used for heavy towing. Daily driver and week end racer.
The II SPS66 was the less expensive option for me. I would have preferred a well matched set of twins setup for street/track. And someday I will hopefully get to go with that type of twins setup. But until the $$$s show up, the II SPS66 has performed well on the street/highway and at the track.
The II SPS66 was the less expensive option for me. I would have preferred a well matched set of twins setup for street/track. And someday I will hopefully get to go with that type of twins setup. But until the $$$s show up, the II SPS66 has performed well on the street/highway and at the track.
03-15-2007, 03:53 PM
#10
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Al right. Is there a rule of thumb that twins run _____% cooler than a single.
Like if towing with a single with a 10k load produces 1200f, what to expect from twins.
Like if towing with a single with a 10k load produces 1200f, what to expect from twins.
03-15-2007, 05:26 PM
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IMO twins are THE ONLY way to go. However!, I went from the stock to the twins on my first diesel. All I can say is lightning fast spool up and hang your hat over the pyro., dont even need it.
03-15-2007, 05:29 PM
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As soon as I get the cash together twins will be my choice! Just sucks that they cost 3 times what a single costs and all that for one additional turbo!
03-15-2007, 05:37 PM
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Ya but the bennefits far out weigh the price. I pulled Gvw plus trailer 22000 and it just pulls. Absolutely awesome!!! You have to remember that your paying for all the duct work as well as someone to spend hours figuring out how the 2 turbos overlap and work together. But, yes I do also agree there is a price to pay. Btw.... I can hit and maintain( not by any means suggested!) 65 to 70 lbs of boost still on the stock head gasket without studs. (Their in the master plan though)
03-15-2007, 05:49 PM
#14
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If you have a sled pulling truck a single is fine, same with a dyno queen, even drag trucks do fine with them...but only if thats all you do with the truck. If you like sled pulling but its your daily driver and you cruise around town with it that single is going to suck. I dont know about you guys but i cant afford 2 different trucks so ill spend a little extra on the twins.