The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 75 GMC sierra classic face lift and conversion to short bed

sam in vista · 08-25-2015, 01:19 PM

thanks david

well i know with that price maybe can get 383 or ls
but base on my budget i preffer to keep my th-350 ,thats why im not going with 383 cause i have to change the 350 to 400,and the problem for LS is i dont wanna have the injection engine ,the setup for ecu is really hard in IRAN and we dont have expert guys overe there, so its better to go with carb engines ,and much easier to find parts for carbs engine,
i heard the 700 is longer than 350 ,so i have to modify my drive shaft again,and really i dont want to do it,cause alrady did it during shortening.
would you let me know what is the difference between the roller cam and flat tappet?

08-25-2015, 01:19 PM	#65
sam in vista Registered User Join Date: Aug 2012 Location: vista,CA Posts: 46	Re: 75 GMC sierra classic face lift and conversion to short bed thanks david well i know with that price maybe can get 383 or ls but base on my budget i preffer to keep my th-350 ,thats why im not going with 383 cause i have to change the 350 to 400,and the problem for LS is i dont wanna have the injection engine ,the setup for ecu is really hard in IRAN and we dont have expert guys overe there, so its better to go with carb engines ,and much easier to find parts for carbs engine, i heard the 700 is longer than 350 ,so i have to modify my drive shaft again,and really i dont want to do it,cause alrady did it during shortening. would you let me know what is the difference between the roller cam and flat tappet?