1999 Toyota 4Runner — old 6V-to-12V conversion has decades of splices
I bought a classic that was converted years ago and several owners have added wiring since. Everything works now, but the harness is messy. At what point is a…
Classic Cars & Restoration
Enthusiast
2013 Chevrolet Silverado 1500 — carbureted engine stumbles on quick throttle input
2013 Chevrolet Silverado 1500 LT, about 133,500 miles. Idle is decent and steady cruising is fine, but a quick tip-in makes the engine stumble. Would you verif…
How far do you go preserving originality on a driver?
2020 Audi Q7 55 TFSI, about 151,000 miles. The car is mostly original but I actually want to use it. I'm torn between period-correct repairs and upgrades like…
2015 Volkswagen Golf — carbureted engine stumbles on quick throttle input
Idle is decent and steady cruising is fine, but a quick tip-in makes the engine stumble. Would you verify ignition timing before chasing accelerator-pump calib…
CommuterDetailer973Community StarterAug 31, 20262015 Volkswagen Golf TDISalt Lake City16 replies0 helpful
2024 Audi Q5 Premium Plus — old car was converted to 12V years ago — wiring is a mess
2024 Audi Q5 Premium Plus, about 8,200 miles. Picked up a classic that was converted from 6V to 12V by several previous owners. It works, but the harness has s…
2024 Subaru WRX Premium — carbureted engine stumbles only when I tip into throttle
Idle is decent and it cruises okay, but a quick throttle input makes it stumble. I'm trying not to change three things at once. Accelerator pump, timing, vacuu…
2017 Hyundai Elantra — carbureted engine stumbles on quick throttle input
Idle is decent and steady cruising is fine, but a quick tip-in makes the engine stumble. Would you verify ignition timing before chasing accelerator-pump calib…
2024 Chevrolet Corvette Stingray Z51 — anyone else: Carbureted engine stumbles only when I tip into throttle
2024 Chevrolet Corvette Stingray Z51, about 48,000 miles. Idle is decent and it cruises okay, but a quick throttle input makes it stumble. I'm trying not to ch…
ColdStartFan4Community StarterAug 3, 20262024 Chevrolet Corvette Stingray Z51Los Angeles43 replies0 helpful
2024 Mazda MX-5 Miata Club — anyone else: Old car was converted to 12V years ago — wiring is a mess
2024 Mazda MX-5 Miata Club, about 118,000 miles. Picked up a classic that was converted from 6V to 12V by several previous owners. It works, but the harness ha…
2021 Nissan Rogue SV — carbureted engine stumbles only when I tip into throttle
Idle is decent and it cruises okay, but a quick throttle input makes it stumble. I'm trying not to change three things at once. Accelerator pump, timing, vacuu…
NorthEnthusiast44Community StarterJul 31, 20262021 Nissan Rogue SVUpstate New York28 replies0 helpful
2025 Lexus NX 350h — old car was converted to 12V years ago — wiring is a mess
Picked up a classic that was converted from 6V to 12V by several previous owners. It works, but the harness has splices everywhere. Would you repair sections o…
Carbureted engine stumbles only when I tip into throttle
Idle is decent and it cruises okay, but a quick throttle input makes it stumble. I'm trying not to change three things at once. Accelerator pump, timing, vacuu…
Need advice: Old car was converted to 12V years ago — wiring is a mess
Picked up a classic that was converted from 6V to 12V by several previous owners. It works, but the harness has splices everywhere. Would you repair sections o…
CanyonPilot62Community StarterMay 7, 20261968 Ford Mustang FastbackUpstate New York0 replies0 helpful
1968 Ford Mustang Fastback — carbureted engine stumbles only when I tip into throttle
1968 Ford Mustang Fastback, about 118,000 miles. Idle is decent and it cruises okay, but a quick throttle input makes it stumble. I'm trying not to change thre…
2018 Honda Civic — old 6V-to-12V conversion has decades of splices
I bought a classic that was converted years ago and several owners have added wiring since. Everything works now, but the harness is messy. At what point is a…
How far do you go preserving originality on a driver?
2025 Lexus NX 350h, about 118,000 miles. The car is mostly original but I actually want to use it. I'm torn between period-correct repairs and upgrades like be…
2015 Volkswagen Golf — carbureted engine stumbles on quick throttle input — anyone dealt with this recently?
2015 Volkswagen Golf TDI, about 159,500 miles. Idle is decent and steady cruising is fine, but a quick tip-in makes the engine stumble. Would you verify igniti…
How far do you go preserving originality on a driver?
The car is mostly original but I actually want to use it. I'm torn between period-correct repairs and upgrades like better brakes, cooling and charging. Where…
1993 Mazda RX-7 — old 6V-to-12V conversion has decades of splices
1993 Mazda RX-7 Touring, about 150,500 miles. I bought a classic that was converted years ago and several owners have added wiring since. Everything works now,…
Anyone else: Old car was converted to 12V years ago — wiring is a mess
Picked up a classic that was converted from 6V to 12V by several previous owners. It works, but the harness has splices everywhere. Would you repair sections o…