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Building a motor

This is a discussion on Building a motor within the General Help forums, part of the LSx Technical Help Section category; I picked up this book How to Build and Modify GM LS-Series Engines (Motorbooks Workshop): Joseph Potak: 9780760335437: Amazon.com: Books ...

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    Member 1998 T/A's Avatar
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    Building a motor

    I picked up this book How to Build and Modify GM LS-Series Engines (Motorbooks Workshop): Joseph Potak: 9780760335437: Amazon.com: Books will this help me in building up an lq4/9 from scratch?

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    Smiles for 9.5 Years cammed goat's Avatar
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    It should work as the LS motors are aluminum blocks and the LQs are iron. I could be wrong. Others will chime in on this topic.

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    Moderator 98TransAmWs-6's Avatar
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    I have that book and it goes over the pros and cons of both iron and aluminum blocks. LQ4/9 is an iron block fyi. The book goes into great detail on how to tear down and build an engine. I would definitely use it, I have found it pretty helpful.
    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/

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    Spaz is My Mentor SMWS6TA's Avatar
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    Yep, it's one of a few that I have that I'm using for my LQ4 build.

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    Electrical Engineer KMdef9's Avatar
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    Always good to have a friend that's been there before too.

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    Sold: LS1 '85 El Camino ls1camino's Avatar
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    I wouldn't trust myself to build a motor and have it last. I've always taken mine to a professional.

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    Spaz is My Mentor SMWS6TA's Avatar
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    Jeremy same here, it's just nice having the knowledge to make sure the shop you go to knows what the hell they claim they are doing. Shopping around for mine I've had 3 shops tell me they know about LS motors but when it came down to asking questions about honing con rods for arp bolts, aliment tools for front & rear seals I get the Monkey playing with a tambourine look.

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    Moderator 98TransAmWs-6's Avatar
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    Quote Originally Posted by SMWS6TA View Post
    Jeremy same here, it's just nice having the knowledge to make sure the shop you go to knows what the hell they claim they are doing. Shopping around for mine I've had 3 shops tell me they know about LS motors but when it came down to asking questions about honing con rods for arp bolts, aliment tools for front & rear seals I get the Monkey playing with a tambourine look.
    At least you have shops to choose from there is only one shop I have been able to find around here. I'll have to ask them that same question to see if I get the same look, hopefully they actually know what they are doing when it comes to LS motors.

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    Former Mopar Man 2002ssslp's Avatar
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    Quote Originally Posted by ls1camino View Post
    I wouldn't trust myself to build a motor and have it last. I've always taken mine to a professional.
    Once you build your first engine you feel like a pro. I started off with a 289 ford 35 years ago and I have about a dozen under my belt now. With a good guide and some common sense anyone can build an engine. Now building HP is another story, I also port my own heads which takes a lot of time and skill and blueprinting and balancing is necessary. Try one, the worst thing is it either wont run well or it will blow up. Either way at least you tried.
    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

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    Member 1998 T/A's Avatar
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    I'm looking for a mild engine I wanna top 425 NA I'm doing iron cause I may want to sc or nitros it and I would just feel more comfortable with an iron block

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

    Will I'm in Ford Hell. If it isn't a Ford motor, then it's a SBC 350. It's like LS motors are future technology here.

    We have a LS following building here, it's just you can't throw a piston without hitting a Ford Mustang here.

  12. #12
    Member 1998 T/A's Avatar
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    I thumbed through the book and it looks like it'll help a lot. Even if I do an lq4/9 the assembly is still very similar

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

    Its the same if you have a 2000< the pre 99's (and some 99's) have a slighty longer crank. But from 00' on for sure same crank. Ideally look for a 00-04 LQ4/9. They have the 24 reluctor wheel already installed.

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    Moderator 35th-ANV-SS's Avatar
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    Quote Originally Posted by 2002ssslp View Post
    the worst thing is it either wont run well or it will blow up. Either way at least you tried.
    Pretty expensive error just to say you tried it lol.
    It's on jackstands.

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    Member 1998 T/A's Avatar
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    Ya the GEN 3 lq4/9 are the better ones to get I think it'll be an ok build everything is pretty detailed in the book so we shall see.

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    Junior Member speedfreak1's Avatar
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    summit racing has lq9 blocks for around 750 with most machine work done.

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