Jump to content

7.4L + Westers =


Recommended Posts

Posted

My good buddy at work has a 2000 K2500 excab shortbed with the 7.4L/Auto and 4.10's.

 

He has never been thrilled with the "power to the ground" that his truck had. He was impressed with what Lyndon Wester did for me with a special tuned PCM.

 

Just recently Westers became available for my buddies truck, so for his birthday he treated himself to a new PCM.

 

I rode in his truck today with only about 30 miles on the still learning PCM. All I can say is Holy Crap!!! Lyndon told him to expect approx. 35HP and 38 ft lbs to be released from his choked down factory tune.

 

All the added power and the removal of torque management has turned his once lame Big Block into a fire eating dragon!!! His truck can now do a tire burning powerslide on dry pavement like it was a sports car!!! Before it could barely chirp the tires... I have a feeling he'll be buying new tires in the spring!!! :seeya:

 

I guess Lyndon has to chalk up another satisfied customer!!! :eek:

Posted

i keep hearing nothing but good things about westers i have the predator and have had two custom tunes sent to me and it still isnt right two weeks ago they said they was going to send me a good on in a few days well i guess there still looking for it i have never been more dissapointed with anything then this predator i wished i had spent the extra money for the westers :eek:

Posted

He paid $395 for it... I'm guessing there is probably some shipping involved too...

 

I've heard great things about his tuning for the late '90s OBS trucks, and I can tell you now that it really freed up my buddies 7.4L.

 

We pulled out on the road after lunch yesterday, and he stabbed the throttle from a roll and when the posi kicked in the truck slid sideways with both rear tires screaming!!! His shift points and firmness are also much better.

Posted
He paid $395 for it... I'm guessing there is probably some shipping involved too...

 

I've heard great things about his tuning for the late '90s OBS trucks, and I can tell you now that it really freed up my buddies 7.4L.

 

We pulled out on the road after lunch yesterday, and he stabbed the throttle from a roll and when the posi kicked in the truck slid sideways with both rear tires screaming!!! His shift points and firmness are also much better.

so how does your 6.0 perform with westers?

Posted
FYI... ALL Wester's prices include UPS 3 day Priority shipping to your door.

 

Butch 02 Sierra Denali

It took 2 weeks and a day from the time he ordered it until he got it.... I think it got held up in custums or got lost!!!

 

Heavyduty guy, the 6.0L was improved alot, but no-where near what my buddy got out of his 7.4L. My throttle response is better, and the shifting is much improved. Best of all the torque management is all but gone. I'm very happy with the tune that Lyndon gave me!!! Plus the extra MPG is a nice bonus.

Archived

This topic is now archived and is closed to further replies.

  • Latest Articles

  • Posts

    • Notes 7/18/2026   3,400 miles on this batch of Mobil 1 Euro 5W40 since the GDI pump replacement. Alcohol runs very clean when ring seal is tight and the sump isn't getting hosed with fuel. Checked oil level at fill up today as is my practice and grabbed a white Kleenex to look at the color. What color?  I was going to change it but.....  
    • 4 low is really nice on steep boat ramps. 
    • Interesting, I suspect I would have fueled up in Lee Vining as the day prior I would have filled up either in Laughlin or near there and maybe again before I entered Death Valley and once out the other side late that evening as I kept on driving into the night up near Lee Vining. Next morning I most likely fueled up in LV before heading over Tioga Pass into ( as I refer to it as "Yose .... Mite" 😁 ). And again that was 19 years ago but the price then must not have jumped out at me like the 5 bill a gallon theme of nutty cult hippy country Big Sir or head so far up their rear Aspen. I'd be curious to know where the highest prices are in the lower 48, I probably would not be far off to guess somewhere in Cali forn ie. Coldfoot and Prudhoe bay may have those prices beat but that is a whole other world up there and when prices are more normal elsewhere that is about what they can be up there I believe in no mans land. Anyway interesting that the 395 corridor is hosing people and the thing is, its tourist season and its not like there are a lot of competition options when driving up that highway from what I could see. Yup, big ole Boaterhomes and various other RV's ahead and behind me at the Yosemite entrance gate and they have to get their fuel somewhere.  
    • Those can be high, as well as the big California cities. The ones that will pop your eyes out are the 395 corridor on the Eastern side of the Sierra Nevadas. Lee Vining, $7.19 for regular and $8.89 for diesel is what the Google said right now.
    • Correct.  2019-2021 model years are serviced by a different p/n.  19420611.  Recall 2021s use 19420611.   The recall engines 2022-2024 model years are serviced with 12740076.     The difference between 19420611 and 12740076 is GM changed injector size for 2022.  The injectors are smaller on 12740076 with smaller injector bores in the cylinder heads to match the smaller injectors.  So you can't install a 19420611 in a 2022-2024, and you can't install a 12740076 in a 2019-2021.     Both engines are the replacement engine p/ns that are in the L87 recall.  So both of these are the updated engines.     Here's a version of the L87 recall with the p/ns for all the parts needed.    RCRIT-25V274-7075.pdf   Note it shows 19420611 and 12740076 with an asterisk to a footnote "Use the VIN and the GM Electronic Parts Catalog (EPC) to determine which part to order if two or more part numbers are listed for the same part, as it may vary by vehicle options."    
  • GM-Trucks.com Clubs

  • Popular Contributors

×
×
  • Create New...