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Thread: 418 or 427
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01-18-2009, 04:04 PM #1
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Black- 1980 Chevrolet Camaro
418 or 427
im strokin an lq9
and cant decide between a 418 or 427.
what yall think i should do.
there the same price give or take a few 100
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01-18-2009, 05:42 PM #2
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Black- 1980 Chevrolet Camaro
someone has told me to screw the 418 and 427(which i prob wont due cause of the overbore and stroke needed) but he said go with a proven 408 kit
opinions?!
he said. l92 heads and ls6 intake?
ive heard alot of hype about MAST performances 5.3 heads?
i was thinkin FAST 92 mm intake and TB?
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01-18-2009, 06:33 PM #3
There's an old saying, " there's no replacement, for displacement " , so 427 wins the vote !!!
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01-18-2009, 07:20 PM #4
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Black- 1980 Chevrolet Camaro
i agree whole heartedly with that quote =) who knows..all i got is time anyways..im puttin it in my 2nd gen =D
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01-18-2009, 07:50 PM #5
I have a 78 Bird I'm building also. Went with a BBC, B&M 871 blower setup !
Emergency back-up car !!! LOL !!!
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01-18-2009, 07:56 PM #6
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Black- 1980 Chevrolet Camaro
hell of a back up car..looks real good man..i was actually goin down that route for a bit..till i noticed the lack of LS powered early muscle cars around my town..not to mention the amount of newer mustangs and camaros runnin around thinkin there bad ass with there intake and exhausts..lol ive showed a few with my lil 305 jus how bad they are..till i blew a right side head gasket =( so i figured..swap in an EFI LS motor ;p
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01-18-2009, 08:01 PM #7
That will be a good set-up ! I have a spare LS1, but I always wanted this set-up. Doubt that I can make it street legal in PA though...
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01-18-2009, 08:03 PM #8
Morning comes early ( Bummer )
Talk Later !
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01-18-2009, 08:03 PM #9
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Black- 1980 Chevrolet Camaro
haha..i know round my house..as long as its 96 back(obd II) and doesnt have a check engine light on..its all good..now they say you cant like..swap in engines and junk..but most people dont care..like the mom and pop shops anyways..places like jiffy lube where you get your inspections done they check for catylic converters and stuff depending on the year
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01-18-2009, 08:54 PM #10
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01-18-2009, 08:57 PM #11
as far as heads and intake, it all depends on what ya have access to. if your pockets are deep then you wanna get some aftermarket heads. if they are shallow than the ls6 heads have the most power potential (ultimately). you can make big power numbers with ANY casting for these motors, however, so if you run across a deal you think you cant let up get it. ls6 manifold flows best, for aftermarket intake i rec bbk manifold for no-nitrous applications. fast stuff is completley over priced, but awesome if you plan on runnin nitrous.
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01-18-2009, 08:58 PM #12
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Black- 1980 Chevrolet Camaro
agreed also..who knows..im still in the process of planning it out..i jus know itll be fun to drive when im done =)
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01-18-2009, 09:00 PM #13
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Black- 1980 Chevrolet Camaro
yeah thats the whole reason im gettin the LQ9..b/c its a deal..he only wants 200 bucks for it and it comes with the whole bottom end(which will get tossed anyways) and all the sensors..all im in the market for as of this minute is a wiring harness and pcm
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01-18-2009, 09:01 PM #14
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Red Tint Jewelcoat- 2008 Trailblazer SS
LQ9??
I would stick with 408.2008 Trailblazer SS
Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
Lowered, HID's, tinted.
1999 Pontiac Trans Am WS.6 #1747 SOLD
531.1 RWHP 481.3 FT/Pounds all motor.
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01-18-2009, 09:07 PM #15
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Black- 1980 Chevrolet Camaro
yeah im hearin 408 from a few people also..and btw my pockets aint deep right now..NADC's tuition is 35k for a year =(..but well see..cause i aint necessarily in a rush to get it built..cause i still gott put a passenger side floor pan in..redo the interior and slap a coat of primer in there..jus keep in touch with me =)
soon ill have a thread up for paints..all i know is i want flat black racing stripes..and i think about any color will look good.
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01-19-2009, 07:07 AM #16
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Blue- 2002 Z28 Camaro M6
Depends on what you are going to want to do. If you start making lots of power especially with power adders then I would say 408 or even 402 (which is what I am planning on).
The l92 heads are worth thinking about, they flow ALOT even in stock form, but they do have huge runners. They will not work with a LS6 intake. I think in the next year or two they are going to be a very viable set of heads, but that will depend on how many new intakes and people start tinkering with those heads.
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01-19-2009, 07:15 AM #17
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blacker than wesleysnipes- 98' trans am
408 period..if you want to play with 418-427- then a ls3 block is what you'll want.
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01-19-2009, 07:17 AM #18
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blacker than wesleysnipes- 98' trans am
also....the intake,cam,heads and exhuast all work together...a fast 92 will not always make better power then a ls6...its all about matching your cam to what heads and intake you have..and what type of powerband you want
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01-19-2009, 12:36 PM #19
408
L92 heads flow great, huge runners. LS6 Wont work with those heads.
Your going to NADC huh? I went there almost 4 years ago. Good luck. I was one of the few that landed a decent paying job. Most places dont give two shits about those schools. Not trying to be a dick but they charge out of the ass for there schooling. Only thing that made it worth going TO ME, was the High Performance engines and Heads/dino. That class can learn you some shit. Hopefully Mr.Golden is still working as the Hi-Po instructor. That M Fer knows his shit.
Good luck on you build. Also im going to have to completely dis agree with you shady, On a 400+ CI... a FAST 90/92 will always shine over any LS6 intake. Just no way around it.
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01-19-2009, 03:47 PM #20
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Navy Blue Metallic- `98 Formula M6 HdTp
408, L92 heads and the upcoming FAST 102 Intake
Then you'll need the right cam to bring it all together.Craig
Semi Retired Street Racer
2012 Lava Red Mustang GT Coupe Brembo/3.73's
Build Date 3/17/11, Last Lava Red GT
Gone but not forgoten
NBM `98 Formula M6 HdTp
1 of 1 Build Date 3/12/98
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