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PostForum: GM Performance Forum   Posted: Mon Jun 04, 2018 11:41 am   Subject: New Silverado 310hp/348lb/ft 2.7 liter 4 cylinder engine

Nope, no interest. That engine would be suitable for an S10 sized truck, but not a full size. In fact, I really wish GM would bring back a 90s S10-sized truck.
PostForum: GM Performance Forum   Posted: Mon Jun 04, 2018 11:36 am   Subject: 98 chevy 2500 truck 5.7 vortec build

Welcome. There is plenty here on making a 5.7L go better. Look for the marine intake sticky thread. The Vortec's main failing is the built-in injectors that won't support much more than what the fa ...
PostForum: GM Performance Forum   Posted: Mon Jun 04, 2018 10:53 am   Subject: 2015 Tahoe rear gearing

Unfortunately I didn't note the pre-gear RPM at cruise, but 80MPH it sits around 2350RPM, in that range. It's all factory on tire size (Crapyear Assurance, 265/65R18, 31.5 inch diameter) and all that ...
PostForum: GM Performance Forum   Posted: Sun Jun 03, 2018 3:16 pm   Subject: 2015 Tahoe rear gearing

Now that I've run it a few weeks, I think that if I had to do it again I'd go with 3.73s. I just completed a 2500ish mile trip, and am glad to say that on the trip I was able to best my own personal ...
PostForum: GM Performance Forum   Posted: Sat May 12, 2018 3:46 pm   Subject: 2015 Tahoe rear gearing

The Engine Reduced Power error is gone now. I changed the top speed limiter to 240MPH. For some reason the computer allows for 314MPH but doesn't like it if you actually set it for 314. I calculate ...
PostForum: GM Performance Forum   Posted: Fri May 11, 2018 4:26 pm   Subject: 2015 Tahoe rear gearing

Dunno. Definitely faster than it was. I might make a run to the local drag strip on test and tune night to see how it does though.

Of course, I might not. Razz
PostForum: GM Performance Forum   Posted: Fri May 11, 2018 9:37 am   Subject: 2015 Tahoe rear gearing

I have the Tahoe back now. The new gears are great, only negative is a slight gear whine on decel, 60MPH to 50MPH. It's still a slug, but now it's a slug with a big S on its chest. Laughing The 5.3L ...
PostForum: GM Performance Forum   Posted: Thu May 10, 2018 6:27 pm   Subject: The Ultimate Silverado Gauge Cluster Modification

That looks pretty slick. Nice job.
PostForum: GM Performance Forum   Posted: Thu May 10, 2018 2:22 pm   Subject: 2015 Tahoe rear gearing

Update - the shop says they are finished but I don't have a ride to pick it up until tomorrow afternoon. They said they will store it in their shop overnight and I can get it tomorrow. The shop said ...
PostForum: GM Performance Forum   Posted: Thu May 10, 2018 8:04 am   Subject: 2015 Tahoe rear gearing

Dropped the Tahoe off at the shop this morning. The only issue I'm seeing at the moment is EFI Live gave me a Reduced Engine Power alert on the DIC after I stuck in the new program. Checking with th ...
PostForum: GM Performance Forum   Posted: Wed May 02, 2018 4:37 pm   Subject: 2015 Tahoe rear gearing

A delay, bearings did not arrive. Project on hold until they come in. Once the shop has all parts in hand they will call me and we will arrange an install day.
PostForum: GM Performance Forum   Posted: Tue May 01, 2018 5:03 am   Subject: 2015 Tahoe rear gearing

All parts except bearings are in. Tentative install date is Thursday, unless there is a problem getting the bearings in. Shop said something about a backorder on them.
PostForum: Side Garage   Posted: Wed Apr 25, 2018 3:25 pm   Subject: home depot make u wanna just shop at home

Yup. On the LED bulbs, you can get anything from 3K to 5K, and 5K is a bluish white light. So, any color she wants, pretty much, you can get.

We thought about a generator as well, but they suck ...
PostForum: Side Garage   Posted: Tue Apr 24, 2018 9:16 pm   Subject: The Random Thought Thread

TBI™'s back baby!

https://paceperformance.com/i-23872517-gmp-19301360-fx-pace-ls3-533hp-TBI™-efi.html

Uses this

https://paceperformance.com/i-23432995-fth-30001-fitech-fuel-injection-go-efi-4-6 ...
PostForum: Side Garage   Posted: Mon Apr 23, 2018 6:36 pm   Subject: home depot make u wanna just shop at home

I’ve thought about doing some solar stuff,our bill can be as high as $700 during the winter sometimes (house and home shop).
It’s really time to do another energy audit though and take care of so ...
PostForum: GM Performance Forum   Posted: Mon Apr 23, 2018 5:59 pm   Subject: 2015 Tahoe rear gearing

I don't know what all GM did with this stuff, but it appears to be some new design to replace the 14 bolt. With any luck, this means they have the strength of the 14 bolt with the driveline loss of t ...
PostForum: Side Garage   Posted: Mon Apr 23, 2018 5:50 pm   Subject: The Random Thought Thread

Might make for a fun project, like a go-cart or some tiny little car like a Miata or something.

http://www.chevrolet.com/index/performance/powertrain/engines/ltg.html

Turbocharged inline 4, 272 ...
PostForum: GM Performance Forum   Posted: Sun Apr 22, 2018 2:36 pm   Subject: 2015 Tahoe rear gearing

Bummer. It's a lot harder to make a gearing change in a 2015 model than in a 2000 model. I have a question posted on the EFI Live board to find out how. Specifically, how to recalculate shift point ...
PostForum: GM Performance Forum   Posted: Sat Apr 21, 2018 6:08 pm   Subject: 2015 Tahoe rear gearing

Thanks Hog, your post as always was very informative. I agree on you with the specs not being right, it looks like whoever made the original source you used inadvertently copied the 5.3 specs under t ...
PostForum: GM Performance Forum   Posted: Fri Apr 20, 2018 8:37 pm   Subject: 2015 Tahoe rear gearing

Except I'm thinking not, now. A whole diff swap for a rear that will rob more HP doesn't make too much sense when looking at my plans for the vehicle. I think I'll be better off for now going with t ...
 
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