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SBC Truck Build
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rotang
New User
| Posts: 1
| Joined: 02/10
Posted: 02/11/10
06:59 PM
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Hey Guys,
I'm seeking your wisdom. I'm planning out a 383 build for a 1981 GMC 3/4 ton pickup. The pickup will see street time and medium duty off road use. I'm stuck on what to pick for a cam. I'm looking for something with a good performance and a decent idle.
Below is my build plan. Any thoughts, suggestions, or criticisms you have are welcome.
Cast Scat crank
5.7 inch rods (probably from Scat)
Speed-Pro hypereutectic pistons
GMPP Vortec iron heads
GMPP Hydraulic roller LT4 Hot cam
Edelbrock RPM Air-Gap intake
Holley 750 CFM double pumper
What I am missing or overlooking?
Thanks in advance!
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Posted: 02/12/10
05:46 PM
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you need a smaller carb but everything else looks good
luck is when skill and opportunity meet
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Posted: 07/08/10
10:01 AM
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sounds familiar to what ive got.
350 2 bolt block stroked to 3.75
eagle rotating assembly
speed pro hypereutectic pistons
comp cams thumpr flat-tappet cam
pro-comp aluminum vortec heads
moroso pan/pump
professional products intake
quadrajet carb
setup works great on my 72 chevy k10. you can really feel the extra cubes when you mash the gas. (sounds great through an x-pipe and flowmasters too)
if you like, you can see some pictures and a video of the engine at www.myspace.com/ridinskyhigh86
good luck in your build!
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skyeking
User
| Posts: 243
| Joined: 11/09
Posted: 07/08/10
06:11 PM
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Hi there,
A Barry Grant 725 Road Demon would be nice
for that very realistic combo. Good luck...Skyeking
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Posted: 07/08/10
08:48 PM
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 rotang:
Hey Guys,
I'm seeking your wisdom. I'm planning out a 383 build for a 1981 GMC 3/4 ton pickup. The pickup will see street time and medium duty off road use. I'm stuck on what to pick for a cam. I'm looking for something with a good performance and a decent idle.
Below is my build plan. Any thoughts, suggestions, or criticisms you have are welcome.
Cast Scat crank
5.7 inch rods (probably from Scat)
Speed-Pro hypereutectic pistons
GMPP Vortec iron heads
GMPP Hydraulic roller LT4 Hot cam
Edelbrock RPM Air-Gap intake
Holley 750 CFM double pumper
What I am missing or overlooking?
Thanks in advance!
Looks good, don't forget to get the off road Holley DP
Click on pic to read more about vacuum secondary Truck Avenger Carburetor
-
Brotherhood of Street Racers
My Space Brotherhood of Street Racers
http://www.myspace.com/brotherhoodofstreetracers
BSR-International
http://bsr-international.ning.com/
 
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tuffnuff
Moderator
| Posts: 1327
| Joined: 12/09
Posted: 07/10/10
05:49 AM
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+1
A marine DP carb will also work, for off road 4 wheeling.
When The Flag Drops,,,
The Bull Chit Stops,,,
P. Engineer, Engine Builder
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Posted: 07/11/10
02:01 PM
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+2 tuff for the marine carb
luck is when skill and opportunity meet
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mn600
New User
| Posts: 43
| Joined: 07/10
Posted: 08/01/10
10:51 AM
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how about some pics of this build... you should be underway by now...I'm planning the same thing for my 94 gmc1500. Gattin tired of sayin "no, it's not an SS, It's just a 305."
Dave's not here man
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mn600
New User
| Posts: 43
| Joined: 07/10
Posted: 08/09/10
03:16 PM
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what carb did you go with? which heads did you go with? did you stick with your original specs or chang with the sugestions? I gotta know! I'm just startin the same project for a street cruiser.
Dave's not here man
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Jrcaprai
New User
| Posts: 5
| Joined: 10/07
Posted: 01/07/11
11:43 AM
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I have a 76 Chevy Stepside... I had a 383 very similar, except I had a Comp XE284 Cam, Dart Pro1 200cc Heads, Air gap, 750 Demon, (NOT too Big for a 383)
I have 3.73 Gears... What gears do you have? and what Converter?
How high do you plan on spinning it?
I would say use a Comp XE 4x4 Cam designed for a 4x4... either a X4258HR or X4260HR
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