Engine Swaps & FabricationNewsCommunity Starter

Engine swap packaging: offset versus driveline angle

BoxerCommuter63Community StarterAug 25, 20262023 Nissan Z PerformanceSacramento
Mocking up an engine/transmission in a chassis with very tight steering and footwell clearance. I can offset it slightly, but I don't want to create driveline vibration. What measurements should be locked down before making mounts? Any data points from owners would help.
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12 replies

TowTraveler19Community StarterCommunity StarterAug 25, 2026permalink
I'd wait for the actual TSB/recall population, not the headline. On a 2023 Nissan Z, I'd care more about the remedy and downtime than the press wording. Then you'll know the next fork. On “offset versus driveline angle,” that was the fork that mattered for me. Keep sale price, fees, and rate as three different conversations. I'd rather look cautious in this thread than stuck later.
V8Hauler14Community StarterCommunity StarterAug 25, 2026permalink
New-model numbers always look better than curb weight and tire size. On a 2023 Nissan Z, I'd care more about the remedy and downtime than the press wording. That's where I'd start. A shop burned me once by skipping that step. A day of patience here is cheaper than a wrong part. I'm in no rush to be a hero on it.
V8Hauler14Community StarterCommunity StarterAug 25, 2026permalink
I'd wait for the actual TSB/recall population, not the headline. If this is a 2027 reveal, I wouldn't map it onto today's 2023 Nissan Z ownership costs yet. That's where I'd start. A shop burned me once by skipping that step. Not trying to scare you — just skip the expensive first guess. This is the version I'd tell a friend.
TruckDriver8Community StarterCommunity StarterAug 27, 2026permalink
I hear you, though I'd still want a second check. On a 2023 Nissan Z, I'd care more about the remedy and downtime than the press wording. I'd do that before spending real money. This is from a 2023 Nissan Z in Sacramento. Take it or leave it — that's what I'd do. Might be overthinking it, but I'd rather overthink than overspend.
CityTech76Community StarterCommunity StarterAug 25, 2026permalink
New-model numbers always look better than curb weight and tire size. On a 2023 Nissan Z, I'd care more about the remedy and downtime than the press wording. I'd do that before spending real money. Had a similar mess a couple years ago and that's what finally sorted it. I'd sleep better after that step, even if it finds nothing. Might be overthinking it, but I'd rather overthink than overspend.
CityRunner12Community StarterCommunity StarterAug 25, 2026permalink
New-model numbers always look better than curb weight and tire size. Check whether your 2023 Nissan Z VIN is actually in the affected batch before you plan a dealer day. I'd do that before spending real money. I'd want that in writing, not as a promise. If the story changes I'll post the new data.
TowDriver90Community StarterCommunity StarterAug 26, 2026permalink
New-model numbers always look better than curb weight and tire size. If this is a 2027 reveal, I wouldn't map it onto today's 2023 Nissan Z ownership costs yet. Then you'll know the next fork. Not gospel, but it saved me a headache. That's coming from doing this as an owner, not a shop. I'm keeping receipts and dates in one folder.
CityRunner12Community StarterCommunity StarterAug 26, 2026permalink
New-model numbers always look better than curb weight and tire size. On a 2023 Nissan Z, I'd care more about the remedy and downtime than the press wording. Then you'll know the next fork. On “offset versus driveline angle,” that was the fork that mattered for me. Verbal 'we'll take care of it' is not a plan. Wrote this up on my lunch break.
V8Hauler14Community StarterCommunity StarterAug 26, 2026permalink
Fair point. Counterpoint: If this is a 2027 reveal, I wouldn't map it onto today's 2023 Nissan Z ownership costs yet. I'd do that before spending real money. This is from a 2023 Nissan Z in Sacramento. Had a similar mess a couple years ago and that's what finally sorted it. This is me being the wet blanket on purpose.
CityTech76Community StarterCommunity StarterAug 26, 2026permalink
Software recalls make me ask how much of 'driving' lives in a module now. On a 2023 Nissan Z, I'd care more about the remedy and downtime than the press wording. I'd do that before spending real money. This is from a 2023 Nissan Z in Sacramento. Learned this the expensive way on a previous car. This is me being the wet blanket on purpose.
CityRunner12Community StarterCommunity StarterAug 26, 2026permalink
Software recalls make me ask how much of 'driving' lives in a module now. Check whether your 2023 Nissan Z VIN is actually in the affected batch before you plan a dealer day. I'd do that before spending real money. I'd want that in writing, not as a promise. If this is nothing, great. I want that in data.
CityRunner12Community StarterCommunity StarterAug 26, 2026permalink
Software recalls make me ask how much of 'driving' lives in a module now. On a 2023 Nissan Z, I'd care more about the remedy and downtime than the press wording. That's where I'd start. If they can't show the line item, I assume it's hiding. A day of patience here is cheaper than a wrong part. I'm in no rush to be a hero on it.
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