Who using their 2500hd Gasser?

[cmysstailights]

Come on......where's the heavy hitters? Haha. 
 
I'm shooting for 13,000lbs...... yikes!
 
 

Finally had the chance to pull a 13.5k 5rh wheel. On the flats she did great at 60mph. 7mpg. Once i hit the mountains, she was working. Since then i have changed my gears to 4:88. Next is headers and take to get tuned and ditch the blackbear tune.

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[cmysstailights]

I just picked up my truck from the tuner yesterday, and I have to say, this thing rocks. The tune from Whipple (HP Tuner)was not good for this engine/computer, it is a MF (exact words) to tune. My tuner basically creates his own tune and does a large quantity of calibrations for Whipple, which he is sending mine to them to use. The install of the supercharger kit was fun, but would suggest having a hands on tune done. I created a new install post and will list the dyno and driving results in the next day or two. 

How has she been running this year

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[rlme36]

7 hours ago, cmysstailights said:

Finally had the chance to pull a 13.5k 5rh wheel. On the flats she did great at 60mph. 7mpg. Once i hit the mountains, she was working. Since then i have changed my gears to 4:88. Next is headers and take to get tuned and ditch the blackbear tune.

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Any specific reason to remove the Blackbear tune or just the new mods are more than the tune can do?

[cmysstailights]

7 hours ago, rlme36 said:

Any specific reason to remove the Blackbear tune or just the new mods are more than the tune can do?

Its a generic tune which i dont think offerred any real boost besides trans improvement.  think a dyno tune would be beneficial with my next mod, headers.

[gearheadesw]

Towed this a while back, needed to redo the drain field, about 12K pounds, trailer had surge brakes, towed it fine, 60 mph max. 50 mile round trip pull, no milage report.

[kenny_r]

Its a generic tune which i dont think offerred any real boost besides trans improvement.  think a dyno tune would be beneficial with my next mod, headers.

Get that dyno tune and headers yet? [emoji51]

I was scrolling through performance trucks.net and came across a red 2500hd that had an lsa charger with the red zl1 lid.....I really want to start modding [emoji17]

[cmysstailights]

Headers are not in-stock till end of feb.

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[cmysstailights]

Headers are not in-stock till end of feb.

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[kenny_r]

Bummer

[cmysstailights]

Tell me about it. Was even thinking of swapping the cam for a truck cam.

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[kenny_r]

Thing should run pretty good with a cam and long tubes. I’d imagine even with a good tune they should run awesome. Would be nice to make some reliable power in the range of the new 6.6 and 7.3 engines.

[rlme36]

On 1/31/2021 at 3:45 PM, cmysstailights said:

Headers are not in-stock till end of feb.

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Where are you getting headers from?  I

[cmysstailights]

Where are you getting headers from?  I

https://www.speed-engineering.com/shop-by-vehicle/1999-13-lsx-trucks/exhaust/headers/speed-engineering-truck-suv-1-3-4-longtube-headers-y-pipe-2007-2013.html

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[rlme36]

1 hour ago, cmysstailights said:

https://www.speed-engineering.com/shop-by-vehicle/1999-13-lsx-trucks/exhaust/headers/speed-engineering-truck-suv-1-3-4-longtube-headers-y-pipe-2007-2013.html

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Thanks for the reply.  Are these bolt on or one of those "some assembly required" kind of deals?

[cmysstailights]

No clue, supposedly bolt on. Waiting for them to come in stock

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