6L80E limits
#11
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Guys on HP tuners are running 650rwhp in G8's with no issues....
I don't know..I think 500 in a truck should be fine.
They make red alto clutches for them now
I dont know how much more stout a 90 is over an 80
I don't know..I think 500 in a truck should be fine.
They make red alto clutches for them now
I dont know how much more stout a 90 is over an 80
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Not to thread jack but how do you like the new Goodyears?
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Also, the truck isn't going to hook up near as hard, unless you pop slicks and a 5 link in.
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No complaints whatsoever on the Duratracs, however, I've yet to drive on them in any sort of inclement weather. They are rated for severe weather conditions, so I doubt that will be a problem. I spent a few hours on rocky desert trails with them with no issues. They seem more aggressive than my BFG A/Ts were, but without the on-road compromises of the mud tires on the market. As a reference, I drive on Dynapro MTs, Destination MTs, and MT/Rs on a regular basis, so I've got a pretty solid basis for my opinion.
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Back on topic, the cars I saw running 800+ rwhp to a built 6L80E were built primarily for street use, but were run for fun on a sticky tires occasionally. If your truck is putting down upwards of 600rwhp and you intend to make passes at the drag strip regularly, I can see the 6L80E as something you may want to swap out. Otherwise, I believe you should be able to build it to handle your truck.
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Yeah, I'm pretty sure your getting to its limits at around 600whp in a truck...unless you have a SCSB...and even than you'd be close.
I have heard of guys that have 650whp in they're G8GT's and have over 80K miles on them with no issues...no TM, or anything. But thats a car...I would say 500whp in a truck would be absolutely fine...600 is pushing the limit.
I have heard of guys that have 650whp in they're G8GT's and have over 80K miles on them with no issues...no TM, or anything. But thats a car...I would say 500whp in a truck would be absolutely fine...600 is pushing the limit.
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I can only guess, but I should be around the mid to high 500's flywheel and have not experienced any issues with mine. This is with a AWD crew cab and heavy 22" wheels and 12.89 1/4 times. Most of the issue with the 6L80's and 90's to my understanding is the tuning. There are a few companies out there making new hard parts for the 6L80's and changing up the clutches and steels. Take a browse at the circleD website for some information on what is being done to beef them up some.
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I can only guess, but I should be around the mid to high 500's flywheel and have not experienced any issues with mine. This is with a AWD crew cab and heavy 22" wheels and 12.89 1/4 times. Most of the issue with the 6L80's and 90's to my understanding is the tuning. There are a few companies out there making new hard parts for the 6L80's and changing up the clutches and steels. Take a browse at the circleD website for some information on what is being done to beef them up some.
From what I have been reading, most failures come from having too much TM in the trans program. It is apparently trying to mimic speed matching for shifts, causing slipping, this ends up burning the clutches.
#20
I'm told by Circle-D build guy that stock 6l80's have shown failure at around 500 whp in FI trucks. 6L90's stand a bit of a better chance, but as has been said many times, the key is in the tuning. I know a guy with a 550+ whp FI/NOx AWD TBSS on a factory 4L70. Circle D has a 800 whp build that they use and in addition to billet parts it adds MORE clutches that are in it of themselves stronger than factory clutches.
I, personally, plan to see the limits of the 6L90 when I beat the **** out of it in our THROWDOWN event.
I, personally, plan to see the limits of the 6L90 when I beat the **** out of it in our THROWDOWN event.