Yes it would because the valves are opening at the wrong time thats why it is blowing back threw the Carb ... thats where half your compression is going....
I was the Black Warlock but now Iam the Fargo Freek
1950 plymouth fast back (custom)
1951 Fargo spring special
1996 Dodge 1500 Pu
2008 Magnum AWD
The way I see it is If It doesn,t say MOPAR then what else is there. E Mail me @ nascar2000@telus.net