Grants Garage

Grants Garage Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Grants Garage, Automotive repair centre, 584 Coffee Road, Walhalla, SC.

Diesel repair and performance, one stop shop specializing in engine and transmission work, but perform general repairs as well, over 15 years in business we’d be happy to assist in anyway we can

Another powerstroke saved 🫡 6.0 came in mixing coolant and oil, burning coolant, skipping, surging basically everything ...
05/28/2026

Another powerstroke saved 🫡

6.0 came in mixing coolant and oil, burning coolant, skipping, surging basically everything but running right, this truck had been bulletproofed by another shop, the truck had some kind of amazon cylinder heads, with off brand studs, Dorman oil cooler and copper doused felpro gaskets 🫤

We fixed it up with a set of KDD o-ringed cylinder heads, Oem gaskets, PPE up pipe kit, Oem oil cooler, new glowplugs, stand pipes, dummy plugs, and all the other fixings, we also found deteriorating cab bushings so we upgraded this customer to a set of S&B cab bushings and bolts

LML Duramax wrapped up with a fresh set of head gaskets, milled heads with new valving and valve job, s&s cp3 conversion...
05/26/2026

LML Duramax wrapped up with a fresh set of head gaskets, milled heads with new valving and valve job, s&s cp3 conversion, water pump, glow plugs, filters and fluids and the works

6.0 powerstroke in for a severe oil leak and rough running symptoms after a HPOP replacement elsewhere, found some Chine...
05/15/2026

6.0 powerstroke in for a severe oil leak and rough running symptoms after a HPOP replacement elsewhere, found some Chinese parts in it and that just won’t work so we fixed it up correctly, with oem ipr and icp, 8 glowplugs and harness, hpop re-seal with stc fitting

Steady rolling through the to do list, thank you all so much for the mentions and referrals it definitely doesn’t go unn...
05/14/2026

Steady rolling through the to do list, thank you all so much for the mentions and referrals it definitely doesn’t go unnoticed, we appreciate the continued support!

-5th cummins fass/sump and grid heater delete
-DCR pump install
-4th gen cummins hydro-boost
-3rd gen cummins s300 upgrade

It’s just a big metal puzzle but being off few thousandths of a inch, can cost you thousands of dollars 😅
05/12/2026

It’s just a big metal puzzle but being off few thousandths of a inch, can cost you thousands of dollars 😅

3 Street-Tow 68RFE’s wrapped up and back to work
05/08/2026

3 Street-Tow 68RFE’s wrapped up and back to work

Just a reminder to check your air filter That’s all
05/01/2026

Just a reminder to check your air filter
That’s all

Another Cummins fixed up -Sloshfab 2g kit -FI s467 -FI 3 piece manifold -ARP head studs -Street-Tow 68rfe
04/29/2026

Another Cummins fixed up
-Sloshfab 2g kit
-FI s467
-FI 3 piece manifold
-ARP head studs
-Street-Tow 68rfe

5th gen finished up with a set of S&S 100% injectorsS472 forced inductions turbo Slosh fab 2g kit
04/27/2026

5th gen finished up with a set of
S&S 100% injectors
S472 forced inductions turbo
Slosh fab 2g kit

4th gen cummins fixed up after factory turbo failure 64mm drop in billet badness Quicker spool up, more volume, upgraded...
04/25/2026

4th gen cummins fixed up after factory turbo failure
64mm drop in billet badness
Quicker spool up, more volume, upgraded exhaust side to prevent caking, and yes it makes cool whistle noises all while maintaining your exhaust brake

If your in the market for a turbo give us a holler and let us spec and quote one out to you, we can get them for cummins, Powerstroke and duramax’s

6.7 cummins head gasket had a bucking/surging issue when in high gear under torque, after logging fuel and tcc slip we ...
04/21/2026

6.7 cummins head gasket
had a bucking/surging issue when in high gear under torque, after logging fuel and tcc slip we knew it wasn’t either one of those causing the issue, found the head gasket severely blown, allowing a misfire between cylinders under torque which increased cylinder pressure causing the effect

Address

584 Coffee Road
Walhalla, SC
29691

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+18647107709

Website

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