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03-09-2009, 08:45 PM
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#51
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10 Second Club; Has fan club
Join Date: Dec 2005
Location: Delmont nj
Posts: 4,369
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Quote:
Originally Posted by Frosty
I'm not a LSx leg-humper but you'd have to work an ancient 400 to even get stock LS1 power.
I know that, what he said made no sense. A "strong" running 400 would barely put down more power than a simple bolt on "puny" LSx.
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and again
__________________
01' Z06 62k miles. Vararam, Longtubes, off road xpipe, tuned by me. Times TBA
2001 Corvette, Bolt ons , tuned 10.75@124.56 mph 1.38 60' Sold
1997 Saturn Sc1 5spd DOHC swapped
Bolt ons, decked head, stock intake cam on exhaust side, lotsa weight redux
13.22@102.32 mph 1.93 60'
12's on moda? One day
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03-09-2009, 09:12 PM
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#52
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Avatar Abuser
Join Date: Aug 2004
Location: 08721-1716
Posts: 5,056
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Quote:
Originally Posted by WildBillyT
A 400 doesn't have to work that hard to do it. Modified, sure. But nothing too wild.
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agreed. it's also cheaper to do it with a 400. that's the reason i have a 400 on the motor stand and not an LS1. everything else i want to do with the motor works out to be more with the 400, even though it will bolt on to an LS1 as easily. just not as cheaply...
thankfully he's going to fix what he's got. i only hope he doesn't wuss out and take it to a mechanic. he'll learn so much more about what's under his hood if he does it himself.
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03-09-2009, 10:20 PM
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#53
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Ebearnezer Scrooge/Power Member/Lips
Join Date: May 2006
Location: Hamilton, Mercer county
Posts: 4,141
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Quote:
Originally Posted by WildBillyT
It's not even an LSX. It's a GEN III small block.
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Gen III is LS1/LS6 Gen IV is LS3 or what ever LT it gen II
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03-09-2009, 10:26 PM
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#54
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Quote:
Originally Posted by scooter
Gen III is LS1/LS6 Gen IV is LS3 or what ever LT it gen II
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Yes, I know this link is wikipedia- but I thought that this was correct:
http://en.wikipedia.org/wiki/GM_Vort...Generation_III
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03-09-2009, 11:25 PM
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#55
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NJFBOA Co-Founder
Join Date: Jul 2004
Location: All up in your kool aid!
Posts: 12,235
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The LS motor will make as much HP easier and it weighs 150lbs less, the gen1 400 sbc however will make gobs more torque even in stock/close to stock form than the Gen3 motor.
It is all about what you can make work for your application and budget. Neither way to go is really the wrong answer.
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03-10-2009, 06:04 AM
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#56
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Avatar Abuser
Join Date: Aug 2004
Location: 08721-1716
Posts: 5,056
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Quote:
Originally Posted by NJSPEEDER
...gobs more torque...
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you like that phrase, don't you?
for my money and the life expectancy of the car, the 400 fits the bill. would an LS1 fit the bill? sure, but like i said, for more money. if i was expecting to get 20 years out of the car, then i would go with the updated technology. also, if i were thinking like a weight nazi, then the LS1 would win, hands down.
not to throw a wrench in the works, but Dart is selling crate motors now...
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03-10-2009, 10:22 AM
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#57
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LSwhatever
Join Date: Nov 2007
Location: Belcamp, MD
Posts: 278
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If your gonna do this LSX swap and work on a budget, I say try to find a used LQ4 or LQ9. Might shell out a little more $$$ but I think there are so much more potential in those that the 5.3. Ideal beginning for a 370 or a 408.
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-Felipe
2001 WS6: SDPC LS7 Shortblock, L92 heads upgraded for .600 lift,
L76 intake, Nick Williams TB, Comp Cams 224/228 .581/.588 114+2LSA,
1 7/8 LT's, GMMG
waiting for some boost
2003 Silverado 1500HD
Last edited by 7pointoh; 03-10-2009 at 10:22 AM.
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03-10-2009, 11:21 AM
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#58
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Join Date: Jul 2005
Location: Medford, NJ
Posts: 502
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First off you have to put things in perspective. Stock for Stock the LS1 Dominates.
For arguments sake lates say you get the 5.3 L33 or LM4 Aluminum Block. First off your gonna have to tear down the engine no if ans or buts about it. Replace Main Seals, All gaskets, Piston Rings, Check for dead cylinders, compression, etc. Lets say Tear Down will set you back $300 in parts if you do it yourself. Then you have your z06 cam which you can pick up on a forum for $150 shipped. Then your gonna need push rods, valve springs, retainers, etc well say avg price $450 for a whole set for valve train upgrade. Then you have your intake you can get a ls1 intake and throttle body for around $300 on forums. Then you have your manifolds and a cat back for lets say $800
So that puts ya at $2400 in parts including the engine. Not including engine mounts, oil pan, wiring harness, fabrication if need be. etc. Also theres no $$ for labor in there if your having a shop do it.
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1993 Trans Am ---> LT1 bolt ons (Sold)
2002 Firehawk Trans Am ---> SLP 400HP kit, LS6 intake, LS6 block (Sold.... Miss her)
Current Vehicle
2002 Chevy Silverado 1500
2005 GSXR 750 Street Fighter Flat Black Red Rims
Last edited by ta350; 03-10-2009 at 11:22 AM.
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