2.5L Rocket Stroker Engine Kit with 6 Speed Transmission (R&D)

R-III-R Turbo · Sep 3, 2019

And the 2.5L stroker build is almost there...

Joesmoe · Sep 3, 2019

Absolutely gorgeous ! Six speed too ?

R-III-R Turbo · Sep 3, 2019

Joesmoe said:
Absolutely gorgeous ! Six speed too ?

Afraid not Paul, that side of the project is at a Mexican standoff unfortunately.

At least it is designed, we proved the 6th gear is possible in our 2.3L Rocket IIIs

Gerald · Sep 3, 2019

R-III-R Turbo said:
And the 2.5L stroker build is almost there...

I'm impressed, what will final c.i. be. Like the rods

Gregger · Sep 4, 2019

Looks like you added a fair bit of metal to the balance shaft. If this is so, how did you determine amount needed?

Curious.... would the engine vibrate much with no shaft? Is it really needed? High Performance Crate Engines | Bonneville Performance removes the balance shafts on the engines they rebuild for the older Bonnys/Speedys/Americas.

R-III-R Turbo · Sep 6, 2019

Stroke is verified to be 101.6mm - same as the bore - now a square engine

Anyone guess what is happening here??

Gerald said:
I'm impressed, what will final c.i. be. Like the rods

151ci buddy, 1 cube BIGGER than the new 2020 Rocket 3 TFC/GT/R

Gregger said:
Looks like you added a fair bit of metal to the balance shaft. If this is so, how did you determine amount needed?

Curious.... would the engine vibrate much with no shaft? Is it really needed? High Performance Crate Engines | Bonneville Performance removes the balance shafts on the engines they rebuild for the older Bonnys/Speedys/Americas.

Dynamically balanced, what is that I wonder. And I wonder why Triumph don't do it from the factory, seems a lot more expense and trouble to build a crankcase to house a balancer too, make the balancer the right weight and timing etc, etc.

Joesmoe · Sep 6, 2019

Whet the parts for running the first time ?

Waiting with bated breath . . .

barbagris · Sep 7, 2019

R-III-R Turbo said:
Anyone guess what is happening here??

Oh god! - you're even drinking the stuff!.

barbagris · Sep 7, 2019

R-III-R Turbo said:
Afraid not Paul, that side of the project is at a Mexican standoff unfortunately.

That is a crying shame. Not enough takers?

Tripps · Sep 7, 2019

CCing cylinders

2.5L Rocket Stroker Engine Kit with 6 Speed Transmission (R&D)

R-III-R Turbo

Mine is the biggest :)

Joesmoe

IMOKUR2

R-III-R Turbo

Mine is the biggest :)

Gerald

Turbocharged

Gregger

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R-III-R Turbo

Mine is the biggest :)

Joesmoe

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barbagris

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2.5L Rocket Stroker Engine Kit with 6 Speed Transmission (R&D)

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