'73 LeMans Sport Coupe

[moana73]

I have a '73 Sport Coupe with a 400. I'd like to increase the stroke, but I don't want to add "hardware" or modify too much. The stock crankshaft is 3.75. How "large" of a crankshaft can I use in the 400 block?

 

[melsg5]

you cannt just drop a 455 crank in read this link
http://www.pontiacpower.com/FreeEngine3.htm

 

[moana73]

Thanks melsg5. I quite a novice and appreciate the good information.

 

[melsg5]

Your welcome feel free to ask any followup questions.