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LSX454 Crate motor

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Old 04-29-2010, 09:58 PM
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That LS7 intake kills HP compared to the carb style intake.
GM says the motor loses like 40+ HP going with the LS7 stuff.

The carb style one comes with bungs for injectors. Thats what I'm going with.
Old 04-29-2010, 10:28 PM
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Originally Posted by 454spyder
That LS7 intake kills HP compared to the carb style intake.
GM says the motor loses like 40+ HP going with the LS7 stuff.

The carb style one comes with bungs for injectors. Thats what I'm going with.
You have any more info on that? The fast Intake bolts up correct?
Old 04-30-2010, 06:59 PM
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order cary's intake, it is very compareable in price and you can have the dominator flange to run the 4500 series throttle body and fuel rails.. Just ordered one today from Virginia Speed.
Old 05-01-2010, 06:49 AM
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I believe the intake port size are the same as the production heads. So the FAST should bolt right up. I'd like to go ITB's but they won't fit under the cowl of a TA .
Old 05-01-2010, 12:07 PM
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Exactly, I like that carys intake but I dont think it will fit under a ss hood.
Old 05-01-2010, 10:37 PM
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Not a chance.
Old 05-04-2010, 09:41 PM
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Guys,

The intake ports on the new LSX 6 bolt heads are similar to LS7 ports. Nothing else will work-definitely not the cathedral port stuff. The LSX-R intake from FAST will work, but if hood clearance is NOT an issue, go with the carb style intake from GMPP or others designed for LS7 ports - they will still make more power than the under hood stuff.
Old 05-04-2010, 11:36 PM
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I will be running a SS hood, so I will go with the FAST intake.
Old 05-10-2010, 06:42 AM
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Didn't I read somewhere that a 58x reluctor wheel won't work with our f-body cars? Which is what this motor uses...?
Old 05-10-2010, 07:20 AM
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Originally Posted by Soul TKR
Didn't I read somewhere that a 58x reluctor wheel won't work with our f-body cars? Which is what this motor uses...?
You just have to use the Lingenfelter Converter box to switch the signal back to 24X
Old 05-10-2010, 08:13 AM
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Originally Posted by 2fast97Z
You just have to use the Lingenfelter Converter box to switch the signal back to 24X
oh wow... never new something like that was even produced! I'll search, but gotta link off hand to it?
Old 05-10-2010, 08:16 AM
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A pretty good price overall. But if your going to layout that kind of money. Check with LME or another company and see what they can do with that kind of money. Shopping around is a good thing before spending.
Old 05-10-2010, 08:18 AM
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http://www.lingenfelter.com/mm5/merc...gory_Code=C163

there ya go!
Old 05-10-2010, 07:35 PM
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Received my LSX454 last weekend. After checking around, I decided to go with one of the dominator flange intakes from Cary at Performance Induction Specialties. Note the 8 bolt crank flange that requires a new flex plate.

Old 05-10-2010, 08:24 PM
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Originally Posted by 454spyder
Received my LSX454 last weekend. After checking around, I decided to go with one of the dominator flange intakes from Cary at Performance Induction Specialties. Note the 8 bolt crank flange that requires a new flex plate.

That is a beautiful picture of the new LSX 454. What vehicle will that be going into?
Old 05-10-2010, 08:37 PM
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damnnn. that motor would look so clean in my engine bay
Old 05-10-2010, 11:47 PM
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Originally Posted by johnrobbins
A pretty good price overall. But if your going to layout that kind of money. Check with LME or another company and see what they can do with that kind of money. Shopping around is a good thing before spending.
I am sure with a simple cam swap it would really wake up. I like this crate motor because it comes with a 2yr warranty.

Originally Posted by 454spyder
Received my LSX454 last weekend. After checking around, I decided to go with one of the dominator flange intakes from Cary at Performance Induction Specialties. Note the 8 bolt crank flange that requires a new flex plate.

I plan on ordering mine this week now that the chassis is done.
Old 05-11-2010, 05:50 AM
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In reading the info on that warranty, there's so many limitations, it's almost useless ? Like No Alterations...

Usual, like any production piece but at least there's some assurance if someone gets a lemon ?

They outta do this in Aluminum and stuff it in the Camaro ?

Looks damn nice !

Last edited by davidws6; 05-11-2010 at 05:56 AM. Reason: .
Old 05-11-2010, 10:27 AM
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hmm.. thats the same bore/stroke as the 454 LS2 I just built.. but this one has a smaller cam.

Do they state power output?
Old 05-11-2010, 11:38 AM
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620/590 on a engine dyno.


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