05 k2500 4l80 stall shift kit help

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Mar 29, 2024 | 08:48 PM

Cherrybomb

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Joined: Sep 2022

Posts: 28

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From: Ohio

05 k2500 4l80 stall shift kit help

Hi all,
I just picked up a 05 k2500HD 6.0/4l80/4x4 excabsb. On 33’s with 4.10 gears.
It has longtubes 1 3/4”, and a Howards Rattler low lift cam. Gigantic cold air intake also.

The trans is currently out of it. I have a good trans to go in it, but its stock. I feel like I should at least put in a shift improver/valve body kit and “maybe” a stall? I have read the stock converter will stall at 2400, is that enough for this cam?

i bought this truck for my son, who just got out of the Marines, he wants to start a pressure washing business, so it will be dragging around a 6000lb water buffalo/pressure washer. As well as just rompin around I’m sure.

I dont have a ton of money for this, im just trying to do whats best for what the combo already is. Im not looking to change the cam out, or anything else. Just get the trans done and get it on the road. So maybe $175 for the shift kit, can I get a good enough converter for this application for a couple hundred bucks?
Thanks guys!

cam specs:
Summit Racing Part Number:
HRS-198035-09
UPC:
840793133659
Cam Style:
Hydraulic roller, OE roller
Camshaft Use:
Street
Camshaft Manufacturers Description:
Choppy idle, high performance street, stock converter ok, best with 1800+ stall and gears.
Basic Operating RPM Range:
2,200-6,500
Intake Duration at 050 inch Lift:
226
Exhaust Duration at 050 inch Lift:
234
Duration at 050 inch Lift:
226 int./234 exh.
Advertised Intake Duration:
275
Advertised Exhaust Duration:
282
Advertised Duration:
275 int./282 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.525 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.525 in.
Valve Lift with Factory Rocker Arm Ratio:
0.525 int./0.525 exh.
Lobe Separation (degrees):
109
Remanufactured:
No
Computer-Controlled Compatible:
No
Valve Springs Required:
No

Last edited by Cherrybomb; Mar 30, 2024 at 10:49 AM.

Mar 30, 2024 | 10:51 AM

FranksCustomTrans

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Joined: Mar 2023

Posts: 1,821

Likes: 1,159

From: BERWICK PA

Quote:

Originally Posted by Cherrybomb

Reman converter from WITS arround that price or from rock auto, As for shift kit if you are used to working with mechanical I would say for home novice with good mechanical experience and ability to read and follow instructions the Transgo SK kit https://www.jegs.com/i/Wilkins+Motor...YaApDuEALw_wcB probably be fine, I would not attempt the HD kits unless you are more familiar. First however I would pull pan and see if clean if it dirty or have silver/gold in it do nothing get a rebuild or replacement unit. Honestly GOOD 4L80E units in a junk yard are not as common as you might think, These things came in expensive trucks people do not discard them unless they are totaled or worn slap out with every possible mile run out of them. This is why when I buy cores for parts I generally ask for broken case cores as they tend to have the best parts in them.

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Mar 30, 2024 | 06:47 PM