Banks

KARNUT · February 29, 2020

We did routinely use banks up to the mid 2000s. I believe it was the last one was called the six gun. The power difference was unbelievable. The only additional work we had to do was getting transmission work done to eliminate slippage. I believe a change with converter. It wouldn’t perform well in level 6 without the upgrade. We use everything available intake exhaust etc. When finished they were like driving muscle cars. The two 3/4 ton rams we had at the time would make short work of my trailblazer ss. One was around for 10 years. Never any problems with it. One by one we all went to gas trucks.

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bass mechanic · February 29, 2020

We did routinely use banks up to the mid 2000s. I believe it was the last one was called the six gun. The power difference was unbelievable. The only additional work we had to do was getting transmission work done to eliminate slippage. I believe a change with converter. It wouldn’t perform well in level 6 without the upgrade. We use everything available intake exhaust etc. When finished they were like driving muscle cars. The two 3/4 ton rams we had at the time would make short work of my trailblazer ss. One was around for 10 years. Never any problems with it. One by one we all went to gas trucks.

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I think over the years manufacturers have managed to squeeze most of the power out of these trucks leaving not much left for aftermarket to find.

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jjackkrash · February 29, 2020

https://www.autoblog.com/2020/02/27/killing-a-duramax-youtube-videos-gale-banks/

From the video series, it looks like the stock turbo charger is a big limiter, but that there's a lot of power to be squeezed out of the stock internals, if you are so inclined.

KARNUT · February 29, 2020

I think over the years manufacturers have managed to squeeze most of the power out of these trucks leaving not much left for aftermarket to find.

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I agree

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bass mechanic · February 29, 2020

Don’t know my Tapatalk double posted here

Bigbucks10 · February 29, 2020

i just did some testing, had to take a couple trips for work past couple days. One way is 52 miles. THESE are computer reads only, not figured out by hand, all on same tank of fuel.

stock , no derringer

21.7 mpg at 60 mph on way down

22.9 on way back

level 6

20.1 at 60 mph on way down

level 2

23.1 at 60 mph on way back

starting in may , i will hooked up to my trailer everyday for the spring . I will get some hand calculated milages.

sdelam · March 2, 2020

On 2/28/2020 at 9:30 PM, inquenciocha said:

So with everyone talking no throttle difference, have you tried manually shifting the gears?

I have played with shifting gears a bit but really that's not practical. The times it is most noticeable is on a rolling stop, like crossing traffic from a turn lane and you don't have time to play with the gear selector. From a dead stop it is hardly noticeable.

inquenciocha · March 3, 2020

Yeah, definitely not worth it. Tried it the other night and with having 10 gears, you're just tapping the shift button.

Has anyone made it through the firewall? I went through the fender.

Oh and to those yet to install, if your plug clips are as lazy as mine, you may need to wedge a little flat head screw driver inside to assist.

sdelam · March 3, 2020

I went through the fender as well. I have seen someone post that if you move the coolant tank (leave the hoses connected) you can access a large grommet that is reasonably accessable.

cpap · March 4, 2020

Just installed the Derringer today. I felt a big difference with the few pulls I did on the freeway. The turbo lag is still there but when it spools up, you can really feel the seat of pants difference. I raced my buddy with the same exact truck and we both have the same 35" tires. I got out more than a truck length on him from roughly 0-80mph. I let off and he kept hammering down after 80. Was a little precarious getting onto highway. We will do it again under safer conditions.

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Bigbucks10 · March 4, 2020

i have couple questions about sot level and regen. when will the truck regen on its own? when close to 100%? then does it stay on til level is 0%. Is the only way to start a manual regen when the truck is parked? Today my sot level was around 96 % and when gauge on Idash switched to ACTIVE. I drove around for 30 min and it was still counting down to about 10% sot level. I didn't think regens lasted that long. During that time, no extra power was added to truck according to the idash no matter what level it was on. My milage says 489 miles since last regen. I have only had derringer on for about 400 miles. Will this number reset now? Sorry so many questions, just wondering what anyone else is seeing with their trucks.

sdelam · March 5, 2020

16 hours ago, Bigbucks10 said:

i have couple questions about sot level and regen. when will the truck regen on its own? when close to 100%? then does it stay on til level is 0%. Is the only way to start a manual regen when the truck is parked? Today my sot level was around 96 % and when gauge on Idash switched to ACTIVE. I drove around for 30 min and it was still counting down to about 10% sot level. I didn't think regens lasted that long. During that time, no extra power was added to truck according to the idash no matter what level it was on. My milage says 489 miles since last regen. I have only had derringer on for about 400 miles. Will this number reset now? Sorry so many questions, just wondering what anyone else is seeing with their trucks.

The truck will regen on its own, typically somewhere over 90% soot level. You have two regen options in the iDash, stationary and Mobil. The mobile regen can be initiated while driving. the length of the regen time/miles is dependent on keeping you exhaust temps up. So a regen on back roads at 5--60 mph will take longer than one at 80mph on the highway. you can speed it up by manually down shifting to keep the RPMs around 2k. I have done it in less than 15 miles using this method. My post regen soot level is typically between 6-12%. The miles since last regen is supposed to be an average, mine seems to change every regen but is normally over 800.

jjackkrash · March 29, 2020

A little time has passed since last post, any new reports?

sdelam · March 30, 2020

Still loving mine, no increase in regens. Havnt been driving much the last few weeks though. I did put new wheels and tires on so I played with the speed correction feature. Seems to work well also.

spudman · May 12, 2020

Hello Gang, Ive been lurking in and around the forums searching out tidbits of valuable information. So knowing that this is going to be quite long. So this is what I have a 2019 GMC 3500HD, so been looking @ Cold air intake, Derringer with IDASH and an exhaust system. So armed with that information did my best research on the various cold air intake systems first. The problem is Banks bases their system on a 2004 Dodge with a 5.9 Cummins so no way to see what a NEW current truck stock system does. Now some of their competitors use partial metal open air filter housing. So after looking at all of the systems a few are visually close to one another and at least a $100 plus dollar spread. Now for exhaust systems once again Banks 4 inch system states a reduction of 57% in backpressure and 80% cooler then stock and 5 inch states 15% reduction in temps over stock and a 85% reduction in backpressure. Sounds GREAT however these numbers are based on a stock exhaust size of 2.85 inch exhaust tip and temp is taken 2 feet behind exhaust tip. The stock exhaust is 4 inch so what kind of snake oil is this?? So on to the Derringer with IDASH I've read all the stats and it would appear that the numbers don't tell the whole truth like 6 power levels really STOCK is one of them so only 5 additional power levels, no information of the levels between stock and 6, no dyno tests to showcase what they can do. While their competitor shows the dyno results of each level and has a built in Pedal Commander that Banks is currently lacking. HP and torque claims are very close as is price. Would really like to go with Banks but with all that's good with their testing I just need something more current to make a informed decision on their products. Like any data can be made to show a difference in manufactures depending on just how you want to make a comparison apples to apples is never one of them. I've read all the reviews online and the ones saying it feels more powerful or faster without any kind of dyno results are purely speculative. Just my opinion, looking for someone to prove me wrong or even provide hard facts to back up their claims.