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Supercharged N*? by Metalflake
Started on: 05-30-2014 01:42 PM
Replies: 11 (327 views)
Last post by: Will on 06-02-2014 08:36 AM
Metalflake
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Report this Post05-30-2014 01:42 PM Click Here to See the Profile for MetalflakeClick Here to Email MetalflakeSend a Private Message to MetalflakeEdit/Delete MessageReply w/QuoteDirect Link to This Post
Anybody done/heard of a swap using the supercharged Northstar from the XLR-V/STS-V? If so, I would love to see a write-up of the build.
That'd be one mean-a$$ little car...

[This message has been edited by Metalflake (edited 05-31-2014).]

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IXSLR8
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Report this Post05-30-2014 08:53 PM Click Here to See the Profile for IXSLR8Click Here to Email IXSLR8Send a Private Message to IXSLR8Edit/Delete MessageReply w/QuoteDirect Link to This Post
I haven't seen one yet. It would be very nice.

I'd like to supercharge my 4.6 automatic N*. I'm thinking about doing a Vortech style charger.
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Dave E Bouy
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Report this Post05-30-2014 10:24 PM Click Here to See the Profile for Dave E BouyClick Here to Email Dave E BouySend a Private Message to Dave E BouyEdit/Delete MessageReply w/QuoteDirect Link to This Post
I've seen Eaton superchargers for sale on Flea-bay that are said to be able to fit a N* but one thing that jumps out at me from the pics Is that these appear to have 8 rib pulleys. Does anyone know anything about these? I'd be tempted to try one if I knew it would fit.
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Dennis LaGrua
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Report this Post05-30-2014 11:30 PM Click Here to See the Profile for Dennis LaGruaClick Here to Email Dennis LaGruaSend a Private Message to Dennis LaGruaEdit/Delete MessageReply w/QuoteDirect Link to This Post
A while ago there was a supercharger kit available for the N* but I do think that you would be better off with a turbo.

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" THE BLACK PARALYZER" -87GT 3800SC Series III engine, custom ZZP /Frozen Boost Intercooler setup, 3.4" Pulley, Powerlog manifold, Northstar TB, LS1 MAF, 3" Flotech Afterburner Exhaust, Autolite 104's, MSD wires, Custom CAI, 4T65eHD w. custom axles, HP Tuners VCM Suite.
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Custom2M4
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Report this Post05-31-2014 11:57 AM Click Here to See the Profile for Custom2M4Click Here to Email Custom2M4Send a Private Message to Custom2M4Edit/Delete MessageReply w/QuoteDirect Link to This Post
I'm not sure how much clearence is required for the s/c Pully but there isn't much more to give on the Pully side before the frame rail...

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Will
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Report this Post05-31-2014 01:06 PM Click Here to See the Profile for WillClick Here to Email WillSend a Private Message to WillEdit/Delete MessageReply w/QuoteDirect Link to This Post
Any supercharger would have to use the position of the main accessory belt on the FRONT WHEEL DRIVE engines in order to fit between the frame rails of a Fiero.

The REAR wheel drive version of the engine is the one that is supercharged. That means that the accessory belt is significantly further forward from the front face of the block than on the FWD engines. This means that the GM supercharger likely would not fit in the Fiero engine bay.

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Dave E Bouy
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Report this Post05-31-2014 10:36 PM Click Here to See the Profile for Dave E BouyClick Here to Email Dave E BouySend a Private Message to Dave E BouyEdit/Delete MessageReply w/QuoteDirect Link to This Post
Thank you! That'll save me a bunch of money
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Metalflake
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Report this Post06-01-2014 12:00 AM Click Here to See the Profile for MetalflakeClick Here to Email MetalflakeSend a Private Message to MetalflakeEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by Will:

Any supercharger would have to use the position of the main accessory belt on the FRONT WHEEL DRIVE engines in order to fit between the frame rails of a Fiero.

The REAR wheel drive version of the engine is the one that is supercharged. That means that the accessory belt is significantly further forward from the front face of the block than on the FWD engines. This means that the GM supercharger likely would not fit in the Fiero engine bay.


Yes, I know that the factory supercharded engines were RWD. Didn't realise there was that much difference on the front end of the block though - thanks. I guess that'd mean then that naturally aspirated RWD Northstars wouldn't fit either?

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Will
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Report this Post06-01-2014 03:46 PM Click Here to See the Profile for WillClick Here to Email WillSend a Private Message to WillEdit/Delete MessageReply w/QuoteDirect Link to This Post
The FWD engines have the waterpump hanging off the bellhousing end. That makes transverse fitment easy.

The RWD engines move the waterpump to the front, which makes the engine at least 2 inches longer at the pulleys. That's about 1.5" more than will fit in a Fiero engine bay.

Also, the RWD engines have variable cam phasing. The cam actuators stick out from the front of the cylinder heads and will interfere with the strut tower on an '84-'87 car, interfere MORE with the strut tower on an '88 car and *may* interfere with the stock battery location... not sure. I think the battery interference is unlikely, but I haven't tried one yet.
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IXSLR8
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Report this Post06-01-2014 04:27 PM Click Here to See the Profile for IXSLR8Click Here to Email IXSLR8Send a Private Message to IXSLR8Edit/Delete MessageReply w/QuoteDirect Link to This Post
I looked at the N* eaton chargers that fit the 4.4 and they won't fit the 4.6N*. The intake pattern is different.

When I first thought of doing it, I figure an Eaton charger (like a model 90 style) turned upside down, wtih the hump in the N* cavity, could work. But I think a standard Vortech would be better. I would place it where the original Fiero battery tray is located. I have my battery up front. This would provide the necessary room. You still have the intercooler issue to deal with, that is, the space for it if you want to control the IAT.

Here's the link to the old supercharger kit that was going to be made a few years ago that faltered:
http://www.angelfire.com/st...perchargerphotos.htm

[This message has been edited by IXSLR8 (edited 06-01-2014).]

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Custom2M4
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Report this Post06-02-2014 01:22 AM Click Here to See the Profile for Custom2M4Click Here to Email Custom2M4Send a Private Message to Custom2M4Edit/Delete MessageReply w/QuoteDirect Link to This Post
Add a widebody and stick the intercooler in front of the rear wheel on the passenger side, and install an oil cooler on the other vent.
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Will
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Report this Post06-02-2014 08:36 AM Click Here to See the Profile for WillClick Here to Email WillSend a Private Message to WillEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by IXSLR8:

I looked at the N* eaton chargers that fit the 4.4 and they won't fit the 4.6N*. The intake pattern is different.


Different between the N/A and supercharged engines?

The intake bolt pattern changed from '99 to '00. I was under the impression that all engines since '00 have used the same intake bolt pattern. However, I would not be surprised at all if the mounting bolts for the supercharger were bigger. The normal plastic intake uses ten 4mm bolts.
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