Hello !
my name is Maxime , i come from Québec (beauce)
i have 30 year old , im not the best in english but a will do my possible ....
i get my car in 2004, 1977 firebird Transam and y work 2 year on the body .
the engine was the same since y buy .
400 pontiac with th350
i change ratio on diff 2:41 to 3:42
headers ans exaust 21/2 Xpipe
I let you se !