Doug Bernhardt
Holley EFI tuning on all Holley ECU s, including Sniper! Reach out to get your ride on the dyno or make more power!

After the rain Fri and Sat a good day on Sunday! My wheel man, Chad took home the win in one of the #truthdyno house cars! #c5corvette #bir
After the rain Fri and Sat a good day on Sunday! My wheel man, Chad took home the win in one of the #truthdyno house cars! #c5corvette #bir

Loaded up for Street Car Showdown at BIR. Will have the laptop handy!#truthdyno #bir #holleyefi #holleysniper #holleyterminatorx
A customer project brought to life after sitting around for way too long! Its got a long way to go, but it is alive! #truthdyno #classiccars

Look what we have here! I don't care what your preference is, you gotta like this! ...and no, its not a clone...its awesome! What a way to close out a Friday 😁
#fordshelbygt500kr #fordshelbygt5001968 #holley #truthdyno #musclecar

Look what we have here! I don't care what your preference is, you gotta like this! ...and no, its not a clone...its awesome! What a way to close out a Friday 😁
#fordshelbygt500kr #fordshelbygt5001968 #holley #truthdyno #musclecar

Look what we have here! I don't care what your preference is, you gotta like this! ...and no, its not a clone...its awesome! What a way to close out a Friday 😁
#fordshelbygt500kr #fordshelbygt5001968 #holley #truthdyno #musclecar

Look what we have here! I don't care what your preference is, you gotta like this! ...and no, its not a clone...its awesome! What a way to close out a Friday 😁
#fordshelbygt500kr #fordshelbygt5001968 #holley #truthdyno #musclecar

Look what we have here! I don't care what your preference is, you gotta like this! ...and no, its not a clone...its awesome! What a way to close out a Friday 😁
#fordshelbygt500kr #fordshelbygt5001968 #holley #truthdyno #musclecar

Look what we have here! I don't care what your preference is, you gotta like this! ...and no, its not a clone...its awesome! What a way to close out a Friday 😁
#fordshelbygt500kr #fordshelbygt5001968 #holley #truthdyno #musclecar

Scroll through to check out the new upgrade to the house car. A little dry shot on E85 :-) #chevelle #bigblock #promaxxheads #holleyefi #holleysniperefi #nitrousexpress #truthdyno #e85

Scroll through to check out the new upgrade to the house car. A little dry shot on E85 :-) #chevelle #bigblock #promaxxheads #holleyefi #holleysniperefi #nitrousexpress #truthdyno #e85

Scroll through to check out the new upgrade to the house car. A little dry shot on E85 :-) #chevelle #bigblock #promaxxheads #holleyefi #holleysniperefi #nitrousexpress #truthdyno #e85

Scroll through to check out the new upgrade to the house car. A little dry shot on E85 :-) #chevelle #bigblock #promaxxheads #holleyefi #holleysniperefi #nitrousexpress #truthdyno #e85
A dyno pull on the new nitrous tune....1969 Chevelle, 468 BBC, Promaxx heads, E85, Holley Sniper EFI, and a Nitrous Express dry shot :-)
#chevelle #bigblock #promaxxheads #holleyefi #holleysniperefi #nitrousexpress #truthdyno

A not so subtle hint of what's to come in 2026. #truthdyno #bigblockchevy #holleysniper #holleyefi #chevelle

A not so subtle hint of what's to come in 2026. #truthdyno #bigblockchevy #holleysniper #holleyefi #chevelle

No, it didn't get loaded on the dyno backwards, doing some FWD stuff with one of my tuning partners. 😁 #truthdyno #garagelife

A couple tuning projects to wrap up at #truthdyno before leaving for #pri2025! One picked up 82 HP on the #mustangdynometer and the other one helped me get to the airport! Both a huge success 😁 #ls #chevytrucks

A couple tuning projects to wrap up at #truthdyno before leaving for #pri2025! One picked up 82 HP on the #mustangdynometer and the other one helped me get to the airport! Both a huge success 😁 #ls #chevytrucks

A couple tuning projects to wrap up at #truthdyno before leaving for #pri2025! One picked up 82 HP on the #mustangdynometer and the other one helped me get to the airport! Both a huge success 😁 #ls #chevytrucks

Beautiful 65 #mustang getting tuned with #holleysniper at #truthdyno. Resolved a lot of idle and driveability issues, as well as found some hidden power on the #mustangdynamometer! Back to bed and ready to go in the spring.

Beautiful 65 #mustang getting tuned with #holleysniper at #truthdyno. Resolved a lot of idle and driveability issues, as well as found some hidden power on the #mustangdynamometer! Back to bed and ready to go in the spring.

Beautiful 65 #mustang getting tuned with #holleysniper at #truthdyno. Resolved a lot of idle and driveability issues, as well as found some hidden power on the #mustangdynamometer! Back to bed and ready to go in the spring.

Beautiful 65 #mustang getting tuned with #holleysniper at #truthdyno. Resolved a lot of idle and driveability issues, as well as found some hidden power on the #mustangdynamometer! Back to bed and ready to go in the spring.

Some old school carb tuning on this split bumper Camaro with a 468 BBC. How many people remember this old intake manifold? Had to make some major jetting changes on this carb to accommodate for the deleted power valve, but we got it dialed in! #holley #truthdyno #camaro #mustangdynamometer #bbc #bigblockchevy

Some old school carb tuning on this split bumper Camaro with a 468 BBC. How many people remember this old intake manifold? Had to make some major jetting changes on this carb to accommodate for the deleted power valve, but we got it dialed in! #holley #truthdyno #camaro #mustangdynamometer #bbc #bigblockchevy
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