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New and need help

This is a discussion on New and need help within the Internal Engine forums, part of the LSx Technical Help Section category; New here, can't seem to find the newbie section. I'm building a 51 chevy truck and would like to go ...

  1. #1
    Junior Member
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    72 chevelle

    New and need help

    New here, can't seem to find the newbie section. I'm building a 51 chevy truck and would like to go LS power. I want this thing to run pretty good and will go with a intake and carb. What kinda power could I expect from a 5.3 with a stk bottom end? Is the 799 head the 1 to use on this with a decent cam? Or should I just go with the 6.0? Any advice would be appreciated, the LS is new to me. My 72 chevelle has a 434, motown block, dart heads and a mech roller. Great site, good to be a part of it.

  2. #2
    Former Mopar Man 2002ssslp's Avatar
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    02 Camaro SS, 04 GTO

    The new member forum is under "Forum". If you can afford and find a used 6.0 I would go with that or a 5.7 LS1. A carbed 5.3L with a cam headers, 799 stock heads and a good intake should get you 375 hp or so. Hard to tell wo specs. Welcome to the site
    My ride is a 2002 Camaro SS SLP #3296 with 30k, LTH, 3" Y, CME, Frost tune, K&N, ported TB, Blackwing lid, Bellows, MSD, Denso Iridium, and 85mm MAF, Bilsteins, Eibach springs, SLP strut brace, Adj. Panhard, TA Girdle, UMI, Pro 5.0, Nitto NT555
    My wife has a 2004 GTO with the rare SAP, 18" wheels, K&N Cold Air System, MSD, Ported TB, Frost tune, Denso Iridium, Flowmaster cat-back, 3200 Yank, 75k

  3. #3
    Moderator 98TransAmWs-6's Avatar
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    98 TA WS6/ 01 C5 Corvette

    Another option is to buy an iron 4.8/5.3 block and have it bored out to 5.7 specs. They are a lot cheaper than 5.7 and 6.0 blocks. I have seen them go for as low as $100, the 4.8 and 5.3 blocks that is.
    1998 Trans Am WS6 - Phantom
    421 CI LQ9, Tick Performance Custom Cam, TFS 255cc LS3 heads, Kooks 2" LT headers, Kooks 3" True Duals w/ high flow cats, FTP 104 lid, Speed Density Tune, 4" silicon tube, LS6 VCT, FAST 102 Intake, NW 102 TB, Oil Catch Can, SLP Bilstein Shocks w/ Vogtland Springs, CTS-V 4-piston Calipers w/C6 Z06 rotors, Stainless Steel Brake Lines, R1 concepts premium rotors, Hawk HP+ brake pads, VFN WSQ Hood, C5-R timing chain, SLP oil pump, E85 tune, Walbro 450 fuel pump, Deatschwerkz 95# injectors, Breathless performance headlights, Frost Tune, !HVAC.
    (Coming Soon) BMR DSL, UMI TQ Arm
    421 LQ9 14.8:1 on E85 Build/

  4. #4
    Spaz is My Mentor SMWS6TA's Avatar
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    98 T/A w/a little mods...

    I wouldn't bore a 5.3 or a 5.7 out. I'd only consider using iron blocks like the 6.0's. The 5.3's & 5.7's have such tight & minimal sleeves that IIRC you can only hone 0.010" anymore and you're looking at an expensive fail.

    OP - it comes down to how much power & budget you can afford.

    I've seen boosted 5.3's that scream.

    There are several of us on here that are in different stages of engine builds and we I know will help get you started.

    Myself & Will (98TransAmWs-6) are, Jodi just finished her's using my same build (6.0 with Polluter Stg 3 CAM). Jeremy is almost done with his beast Frankenbird thread in Firebird/WS6 section. We also have a guy on here putting a LS1 into am 80's Porsche :mell:


    My build thread is in my signature, currently the block is still at the machine shop (hopefully soon I have it back)



    Best advice I can give is look around and check out what we have to offer, research the hell out of this and make a plan before you spend a dime.

    It will save you time, money and a hell of a lot of frustration. I went back and forth over what cam to get for 6 months.
    http://www.ls1.com/forums/f7/my-6-liter-build-174257/

    http://www.ls1.com/forums/f8/my-8-8-rear-build-165553/

    6.0L Block - Forged 403 built, breaking it in , Polluter Stg3 Cam, FAST 102mm Intake, NW102 TB, MSD wires, NGK TR6 plugs, Truck Coil Packs, LS3 Fuel Injectors, CC Pacesetter LT Headers, TS&P ORY, QTP e-Cutout, Magnaflow Muffler, 104mm Air Lid & Line Lock, Catch Can, Stage 2 T56 w/Viper shaft, PRO 5.0 Shifter, Tick MC, Monster Stg 4 Clutch, QT SFI BH, MWC DSL, UMI: SFC, PHB, LCA's, LCA Relocation Brackets & TA, Hotchkis Springs (1" Drop), YR1 Snowflake Wheels wrapped in NT555 tires & Custom Fab Ford 8.8 rear w/4.10 Yukon Gears, WSQ Hood, 3"CM Strange Eng Drive Shaft.

    Horsepower never lies, but is often lied about!

  5. #5
    Moderator 98TransAmWs-6's Avatar
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    98 TA WS6/ 01 C5 Corvette

    Quote Originally Posted by SMWS6TA View Post
    I wouldn't bore a 5.3 or a 5.7 out. I'd only consider using iron blocks like the 6.0's. The 5.3's & 5.7's have such tight & minimal sleeves that IIRC you can only hone 0.010" anymore and you're looking at an expensive fail.

    OP - it comes down to how much power & budget you can afford.

    I've seen boosted 5.3's that scream.

    There are several of us on here that are in different stages of engine builds and we I know will help get you started.

    Myself & Will (98TransAmWs-6) are, Jodi just finished her's using my same build (6.0 with Polluter Stg 3 CAM). Jeremy is almost done with his beast Frankenbird thread in Firebird/WS6 section. We also have a guy on here putting a LS1 into am 80's Porsche :mell:


    My build thread is in my signature, currently the block is still at the machine shop (hopefully soon I have it back)



    Best advice I can give is look around and check out what we have to offer, research the hell out of this and make a plan before you spend a dime.

    It will save you time, money and a hell of a lot of frustration. I went back and forth over what cam to get for 6 months.
    Solid advice.

  6. #6
    Spaz is My Mentor SMWS6TA's Avatar
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    Navy Blue Metallic
    98 T/A w/a little mods...

    also when you can post some pics of the 51'


    Love those trucks, plenty of room for anything....

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