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3,289 Posts
Discussion Starter #1
I am building a street rod that will weigh about 3200#-4L80E. 3.50 9", 4 link. I will be putting in a BBC, and here are the combos I am considering. My question is, which one will be a better street engine? This Car will probably only see the Track once in it's life, so it's all about street manners, cooling, etc. All will be 10:1 (for comparison's sake), full Roller, and Dart Blocks-

#1

540
Cam-.544/573-238/248 @ .050-LSA 109
Heads-AFR 305cc
Intake-Edelbrock Air Gap
850 Carb

#2
555
Cam-.629/.643-248/[email protected] .050-LSA 112
Heads-Edelbrock new style RPM Xtreme (344cc)
Intake-Victor Jr.
950 Carb

#3
572
Cam-.613/.613-252/262 @ .050-LSA 108
Heads-AFR 325cc, 2.30" Int
Intake-Victor Jr
950 Carb


Any opinions? Want something I can live with-
 

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CFH
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2,879 Posts
#2 with a bit more lift. I run more lift in my 55 chevy Solid roller 10 to 1 427bbc street car and havent had to set the valves for 3k miles.
 

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555 Posts
I am building a street rod that will weigh about 3200#-4L80E. 3.50 9", 4 link. I will be putting in a BBC, and here are the combos I am considering. My question is, which one will be a better street engine? This Car will probably only see the Track once in it's life, so it's all about street manners, cooling, etc. All will be 10:1 (for comparison's sake), full Roller, and Dart Blocks-

#1

540
Cam-.544/573-238/248 @ .050-LSA 109
Heads-AFR 305cc
Intake-Edelbrock Air Gap
850 Carb

#2
555
Cam-.629/.643-248/[email protected] .050-LSA 112
Heads-Edelbrock new style RPM Xtreme (344cc)
Intake-Victor Jr.
950 Carb

#3
572
Cam-.613/.613-252/262 @ .050-LSA 108
Heads-AFR 325cc, 2.30" Int
Intake-Victor Jr
950 Carb


Any opinions? Want something I can live with-
I would say for the street it is all about torque. I would do #3 with DART 355cnc heads and more lift like .680". Its just my preference. Would make killer power!!:)
 

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RED ROCKET
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8,630 Posts
#1 for a street car,but use a comp cams 308 street roller(still a solid roller)on a 114(doesnt require monster springs to work)..your cam choice is way to small on all these combo's.....and i would use a victor jr. it will have more torque than you will ever hook on the street.
 

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Discussion Starter #6
Thanks guys, I appreciate all of your comments-keep 'em coming!
 
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