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4spdJohnny · 05-23-2012, 11:53 AM

Thanks Phillip, gives me a little confidence!

Mark, I have a set of 4.88's to try since I'm expirementing didn't wanna pop for new and 5.13 just seem like such a small change?

Jeff, I agree and in fact originally intended on putting 4spd in wagon but now my 16 year old son is racing it and we aren't quite sure if he inherited 4spd gene! rest assured my road runner is still a stick and am building another 70 road runner 440-6pak 4spd combo for stock eliminator. When you say short shift you would shift 1-2 even lower like 5800?

05-23-2012, 11:53 AM	#5
4spdJohnny Member Join Date: Aug 2010 Location: Grand Forks ND Posts: 243 Likes: 506 Liked 137 Times in 46 Posts	Re: finish line rpm vs launch Thanks Phillip, gives me a little confidence! Mark, I have a set of 4.88's to try since I'm expirementing didn't wanna pop for new and 5.13 just seem like such a small change? Jeff, I agree and in fact originally intended on putting 4spd in wagon but now my 16 year old son is racing it and we aren't quite sure if he inherited 4spd gene! rest assured my road runner is still a stick and am building another 70 road runner 440-6pak 4spd combo for stock eliminator. When you say short shift you would shift 1-2 even lower like 5800?