Here is a picture of my 70 GTX which is same body as 70 RR.
It has a Chenoweth built 493 stroker with Indy SR heads. You will need more with all the street goodies on the RR.
MJ

1970 GTX 2017 NHRA DIVISION 3 BRACKET FINALS.jpg
Last edited by moparjohn; 08/13/18 07:41 PM.