Max Stroke on standard 8ba Rods without grinding

[HotRodmicky]

Hi, what is the maximum stroke with stock 8ba rods .
I want to buy a Scat crank and use the stock rods.
Don`t want to grind the block
4 1/8 ?

Michael

 

[Pete]

I know 4 1/4 will clear. That's the longest I have used with stock rods.
I built a 323 ci engine with 4 7/16 stroke and CAT rods. Had to grind the block
.050.

 

[chuck stevens]

Pete,
Was it worth it? I want to turbocharge a 3 3/8 + 3 3/4. I havn't seen to many turbo set ups on flatheads. Chuck

 

[oldford2]

Chuck, Here is a neat one!!

 

[Pete]

Pete,
Was it worth it? I want to turbocharge a 3 3/8 + 3 3/4. I havn't seen to many turbo set ups on flatheads. Chuck

I just did what the customer wanted, a naturally aspirated flathead that made at least one hp per cubic inch.
It was an interesting project.

 

[HotRodmicky]

I just did what the customer wanted, a naturally aspirated flathead that made at least one hp per cubic inch.
It was an interesting project.

Wow!
I have to ask....

What cam did you use on the 323ci engine?

Michael

 

[Pete]

#4 Meyer Drake Offy. Very similar to the 404A Isky.

 

[Henry/Kokomo]

Pete - That's quite a mill! Great stuff.

 

[PeterC]

I just did what the customer wanted, a naturally aspirated flathead that made at least one hp per cubic inch.
It was an interesting project.

What are all the mechanicals/plumbing behind the magneto??

 

[Pete]

Right angle drive gear box. Fuel pump on the left, tach drive on the right.
The right side will also take a power steering pump or a scavenger pump for dry sump depending on the application.

 

[sanborn]

May I ask what cylinder heads you are using?
Thanks!

 

[Pete]

Edelbrock.

 

[Ol' Ron]

The engine above posted by oldford bellongs to George Perry of VT. The Frenzel blown engine is capped by twin plug heads and runs an L-100 cam. This drives an AOD trans into an 8" 4.11 rear. Yes the fear factor is quite hi when you mat this little duce roadster.