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modified Northstar V8?

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Old Nov 28, 2002 | 10:40 AM
  #1  
Trux's Avatar
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From: portland, Maine USA
Car: grand prix/84 z28
Engine: 4.6 Northstar
Transmission: t-56
modified Northstar V8?

Hey everyone,
Another crazy idea. I was thinking about if gm would ever make a quad cam engine like the zr1'a lt5 again, I do know lotus made the engines, and well searching around I found the northstar. The New northstars are quad cam with variable value timing. It is a 4.6 litre engine with 315 factory horsepower. What would you thinking of modifing one and putting it in a camaro?

Thanks for your input.
:hail: :hail: :hail:

also, could you give me some info on the northstar block. What is different from the 350 block?

Thanks
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Old Nov 28, 2002 | 11:40 AM
  #2  
mat89RS's Avatar
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From: Québec
Engine: LT1
Transmission: 700r4
been done before !
Attached Thumbnails modified Northstar V8?-p5260010.jpg  
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Old Nov 28, 2002 | 11:40 AM
  #3  
mat89RS's Avatar
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From: Québec
Engine: LT1
Transmission: 700r4
Attached Thumbnails modified Northstar V8?-p5240003.jpg  
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Old Nov 28, 2002 | 11:52 AM
  #4  
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From: portland, Maine USA
Car: grand prix/84 z28
Engine: 4.6 Northstar
Transmission: t-56
=D

That looks nice a 4th gen camaro 93-97. I was looking for pics of the engine too.

Thank you:hail: :hail: :hail:
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Old Dec 2, 2002 | 01:35 PM
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The angle at wich the cylenders are separated is 60 degres, opposed to 90 for a SBC. I'm not shure about the bellhousing bolt pattern, but I think it will accomodate a regular V6 tranny, IE for a 2.8, 3.8, etc...

Nik
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Old Dec 2, 2002 | 03:52 PM
  #6  
Air_Adam's Avatar
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Posts: 9,067
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From: Saskatoon, SK, Canada
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Haha... that ZR1 motor looks alot like an injected HEMI :hail:

Actually thought it was till i read the post, lol

Anyway.. on to something useful.... I'm pretty sure GM still sells the ZR1 motor as a crate engine, but its REALLY expensive... like $12,000 or something
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Old Dec 3, 2002 | 08:23 AM
  #7  
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Originally posted by Air_Adam
Haha... that ZR1 motor looks alot like an injected HEMI :hail:

Actually thought it was till i read the post, lol

Anyway.. on to something useful.... I'm pretty sure GM still sells the ZR1 motor as a crate engine, but its REALLY expensive... like $12,000 or something
The engine above is a Northstar BTW!
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Old Dec 3, 2002 | 02:57 PM
  #8  
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
The Jan '03 Hot Rod mag has a write-up about Caddy making a RWD version of the Northstar for '04 models on page 15. Pages 80-83 are an article on a 520 HP huffed Northstar in a rod.

Used S10 tranny with cut/welded bolt bosses.

Looks like big bucks, big fabrication headaches; for a high-reving, tweaky, but unique powerplant.
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Old Dec 3, 2002 | 03:04 PM
  #9  
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Originally posted by TransAm86
The angle at wich the cylenders are separated is 60 degres, opposed to 90 for a SBC. I'm not shure about the bellhousing bolt pattern, but I think it will accomodate a regular V6 tranny, IE for a 2.8, 3.8, etc...

Nik
A 60 degree V8? Hmmm, learn something every day...

The 2.8 and 3.8 V6's use different bell housing patterns, so which one would fit the Northstar? Neither, I'd guess.
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Old Dec 3, 2002 | 06:14 PM
  #10  
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From: Moorestown, NJ
Car: 88 Camaro SC
Engine: SFI'd 350
Transmission: TKO 500
Axle/Gears: 9-bolt w/ 3.23's
not 100% sure but i think its still 90 degrees just like the sbc's. The optimal angle for an engine with 8 cyl. is 90 degrees do to the number of cyl that fire per revolution.

edit: Here it is...

The Northstar V8 is a 90-degree, DOHC, four-valves-per-cylinder engine featuring an aluminum block and cylinder heads, and a valvetrain configuration with roller finger followers

Last edited by dimented24x7; Dec 3, 2002 at 06:23 PM.
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Old Dec 3, 2002 | 06:25 PM
  #11  
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From: Moorestown, NJ
Car: 88 Camaro SC
Engine: SFI'd 350
Transmission: TKO 500
Axle/Gears: 9-bolt w/ 3.23's
i think the regular V8 4l60-e would work as well. Man... love those northstars. be cool to put one in an RX-7 or something.
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Old Dec 3, 2002 | 08:24 PM
  #12  
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If you do a search on this board, I think you'll find the solution to the tranny issue. I brought this up a while back, because the Northstar is a FWD engine.
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Old Dec 3, 2002 | 08:56 PM
  #13  
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From: Calgary
Car: 89 Formula
Engine: 350
Transmission: TH 700R4
Axle/Gears: 3.27
Yeah but next gen Northstar (coming out in XLR and other Caddies) is setup for RWD...should be much easier to adapt.
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Old Dec 4, 2002 | 11:22 AM
  #14  
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The price tag for acquiring one of those will also be much higher. It'd make more sense to adapt the FWD version, thats been around for... what almost 10 years now?
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