What is your ultimate engine and transmission combo?

By Colin Wood
Feb 14, 2023 | transmission, Engine swap, engine, Discussion, Transmission Swap

Do the best engines always get paired to the best transmissions, or is there always room for improvement?

If you could bolt any transmission to any engine, what would your dream setup look like?

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Tom1200 UberDork
2/13/23 1:00 p.m.

Yamaha Two Stroke Twins (RD & TZ); because H-pattern synchro gearboxes are abominations in comparison and a rev happy two strokes spinning to 12K are glorious. This is also the reason I like motorcycle engined cars.

If I have to pick a common automotive combo I'd go with Miata engine and gearbox. Nice gearbox with a revvy motor.........I especially like 1.6s.



triumph7 HalfDork
2/13/23 1:04 p.m.

The TR7/TR8 gearbox is phenomenal, unfortunately I don't think it was ever mated to a really good engine.

Ranger50 MegaDork
2/13/23 2:06 p.m.

Twin turbo 555-ish " BBC/BBF and a Lenco. May or may not include a Bruno for the inbetween....

mr2s2000elise UberDork
2/13/23 2:08 p.m.

Yamaha V8 + 6MT or V12 Maranallo + 6MT

fidelity101 UberDork
2/13/23 2:13 p.m.


RadBarchetta New Reader
2/13/23 2:21 p.m.

In reply to triumph7 :

The 4 speed or the 5 speed?

2/13/23 2:33 p.m.

TKX bolted to the back of an LS.  

Not a cheap proposition, but I have learned to be blasé about  6 speed manuals.


Because of a current thread re roll-your-own mid engine, I have become fascinated with LS to Audi conversions. Fascinated, but not sold on for various reasons.

Colin Wood
Colin Wood Associate Editor
2/13/23 2:34 p.m.

In reply to fidelity101 :

That sounds like a fun combo to me.

Colin Wood
Colin Wood Associate Editor
2/13/23 2:34 p.m.

In reply to NOHOME :

I don't think you can really go wrong with that.

Ian F (Forum Supporter)
Ian F (Forum Supporter) MegaDork
2/13/23 2:47 p.m.

Depends on what I'm dreaming of building.  Right now, my dream engine/trans combo to stuff a Cummins 12V backed by an Allison 6 spd AT with a dual range transfer case into my 1992 E350 to make it 4WD. 

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