Is the RV4 Cowl the same as the RV3?

[Shark]

Is the RV4 Cowl the same as the RV3? There is an RV4 Cowl on the field and I am wondering if it would be close?

 

[WillG]

Is the RV4 Cowl the same as the RV3? There is an RV4 Cowl on the field and I am wondering if it would be close?

I used an RV4 cowl on my 3 (old style- 4 inch prop extension) be careful how much you cut.