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C6 427 Engine in a 98 Firebird

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Old Mar 12, 2005 | 06:42 PM
  #1  
Thomash's Avatar
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C6 427 Engine in a 98 Firebird

I was wondering how hard it would be to put one of the C6 427 (500 hp) engines in a 98 Firebird. Engine looks a lot like a LS1. I'm not sure of the wiring. I'd have to use the Corvette computer. I'd use the Firebird headers.
Old Mar 12, 2005 | 07:03 PM
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Re: C6 427 Engine in a 98 Firebird

first goal would be to score one from GM
Old Mar 12, 2005 | 07:21 PM
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Re: C6 427 Engine in a 98 Firebird

It could be done. The motor should mount right up, but I'm not sure about packacing conflicts when it comes to the dry sump oilling system. I suppose you could just bolt up a conventional oil pan and drop it in that way.

If you dotn want to have to worry about such a problem, why not just go with a bored/stroke Gen 3 motor? Itd probably be easier and cheaper to make eqiuvalent or more power with a 402 or 408 engine package. Theres also the 427ci C5R blocks...

Lots of options, but theyre all pricey.
Old Mar 12, 2005 | 11:19 PM
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Re: C6 427 Engine in a 98 Firebird

If you looking to drop a ton of cash, just get a Lingenfelter 427 setup.
Better have a big wallet :^)

Last edited by Kris93/95Z28; Mar 12, 2005 at 11:49 PM.
Old Mar 12, 2005 | 11:44 PM
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Re: C6 427 Engine in a 98 Firebird

Tuning it would be a bitch.... apparently you have to have this CANDi thing or whatever to hook even to the tech 2 just to scan it... and from what ive read it is a dealer thing only... but id imagine people are out there cracking it to be able to tune..
Old Mar 13, 2005 | 01:03 AM
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Re: C6 427 Engine in a 98 Firebird

Originally Posted by Kris93/95Z28
If you looking to drop a ton of cash, just get a Lingenfelter 427 setup.
Better have a big wallet :^)
Is it just me, or is this actually a semi-decent deal? http://www.lingenfelter.com/pack_cf1998_350.htm

Its just like getting your engine rebuild but getting back more power
Old Mar 13, 2005 | 01:32 AM
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Re: C6 427 Engine in a 98 Firebird

Originally Posted by Firebird355
Tuning it would be a bitch.... apparently you have to have this CANDi thing or whatever to hook even to the tech 2 just to scan it... and from what ive read it is a dealer thing only... but id imagine people are out there cracking it to be able to tune..
No different that dropping in an LS2 and stroked LS2s packages are already out, available, installed and using the an LS1 PCM ...

Originally Posted by Meccadeth
Is it just me, or is this actually a semi-decent deal? http://www.lingenfelter.com/pack_cf1998_350.htm

Its just like getting your engine rebuild but getting back more power
Not really considering that $600 more gets you this.

Last edited by V6toZ28; Mar 13, 2005 at 01:39 AM.
Old Mar 13, 2005 | 02:31 AM
  #8  
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Re: C6 427 Engine in a 98 Firebird

you can make 500 flywheel hp with a stock displacement LS1, let-alone a 382 or 408. a crate LS7 would cost you a right arm and probably at least one kidney.
Old Mar 13, 2005 | 07:00 AM
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Re: C6 427 Engine in a 98 Firebird

As far as $6700 for a rebuild being a deal, wow! You can buy a new LS1 for that, anywhere! The LS2 from Rapid looked good, but no HP #'s. If you have the cash, I say go for it. Who wants to be like everybody else. I think people are just saying there are cheaper ways of going about it.
Old Mar 13, 2005 | 10:55 AM
  #10  
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Re: C6 427 Engine in a 98 Firebird

Originally Posted by 1stls1
... The LS2 from Rapid looked good, but no HP #'s. ...
553rwhp/490rwtq on thier version upgraded with a Callies instead of Eagles internals ... an extra $3 K ... I would expect the economy build would be close to 500rwhp if not the same.
Old Mar 13, 2005 | 11:08 AM
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Re: C6 427 Engine in a 98 Firebird

Originally Posted by Meccadeth
Is it just me, or is this actually a semi-decent deal? http://www.lingenfelter.com/pack_cf1998_350.htm

Its just like getting your engine rebuild but getting back more power

Yes thats a decent deal since that price also includes labor of putting it in for you and the whole 9 yards. ALso, SLP 402 short blocks are about 4,000 w/o head, cam, and lifters. WHich is another $3,000 ruffy to add. So you can get a larger built motor for the same price at that lingenfelter. Put whatever cam and heads you want on th 402 and be capable of makeing alot more power.

Last edited by MakoLS1; Mar 13, 2005 at 11:14 AM.
Old Sep 4, 2005 | 08:38 AM
  #12  
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Re: C6 427 Engine in a 98 Firebird

What about dropping it in a '97 Camaro?

I really can't find anything that'll get 500 hp from the LT1 that isn't more than just buying the LS7. What would the rest of the costs be for it? I work at a bodyshop, so I'm gonna do the install with some guys at work. But what else would I need to get to make this work? I assume I'd need a need transmission, drivetrain, rear end, computer, dry sump system, etc. Anything obvious I'm missing or can anybody give me a ballpark figure on what its gonna cost me to do it?
Old Sep 4, 2005 | 09:53 AM
  #13  
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Re: C6 427 Engine in a 98 Firebird

for under 4k, why not just go get an STS. It is a little pricey, but probably better for you. I would like to get one, but they cost about 4k (I am buying a house) and you only get 1 exhaust tip
Old Sep 9, 2005 | 12:26 PM
  #14  
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Re: C6 427 Engine in a 98 Firebird

Originally Posted by NighthawkCP
What about dropping it in a '97 Camaro?

I really can't find anything that'll get 500 hp from the LT1 that isn't more than just buying the LS7. What would the rest of the costs be for it? I work at a bodyshop, so I'm gonna do the install with some guys at work. But what else would I need to get to make this work? I assume I'd need a need transmission, drivetrain, rear end, computer, dry sump system, etc. Anything obvious I'm missing or can anybody give me a ballpark figure on what its gonna cost me to do it?
You're kidding right? 500 HP from an LT1 isn't that hard to achieve, especially if you get out of the mindset that everything has to be new. Forged lower c.r. pistons, new or used blower, ported stock heads with bigger valves, cam, injectors, tune ......... not super cheap but a lot less than an LS7 I would think. Just a different perspective.
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