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Can I NA my Turbo?

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Old 07-23-2018, 12:48 PM
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chrenan
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Default Can I NA my Turbo?

I've run a 1987 944 Turbo as a street legal track car for the last 11 years. It's been good to me and I've got it setup to be a perfect dance partner. I've kept up on engine maintenance over the years, rod bearings, head gasket, fresh head and turbo etc. A driver side balance shaft leak and a few others have been getting steadily worse, so I really need to pull the engine and address it. While the engine is out, I'm wondering can I NA it to simplify things?

Some details on my car ->

Front Suspension:

400in/lbs springs
Racers Edge Camber Plates / High Strung 44 Control Arms with monoball bushings
Ground Control coil over / Koni Sport
30mm front sway bar

Rear Suspension:

650in/lbs springs
Elephant Racing Poly Bronze Bearings / Solid torsion carrier mounts and monoball bushings
Ground Control coil over / 30 series Koni
19mm adjustable rear sway bar

Weights:

Corner balance:

818.....810
782.....747

Cross weight 50.4%

Total weight 3157 including half tank of gas and 215 for driver (2942 without driver)

Brakes:

Front:

996 GT3 4-Piston calipers on 330 Cayenne rotors
Pagid Orange pads
944 Turbo Cup cooling ducts and 968 air spats

Rear:

Stock 944 Turbo calipers and rotors
Pagid Black pads

Safety/Interior:

Heigo bolt-in rollbar
Cobra Evolution GT halo seat
Scroth harnesses
Momo Mod 07 wheel on NRG quick release

Transmission:

Stock 944 Turbo with added Quaife TBD

Steering:

Factory manual steering rack

Wheels:

993 narrow body fitment Hollow Spokes - 8" front 10" rear (no spacers)






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fasteddie313 (07-29-2019)
Old 07-23-2018, 01:00 PM
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Tedro951
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For sure! Then again, I've never driven a 100 hp car that weighs 3000lbs.
Old 07-23-2018, 01:13 PM
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chrenan
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Originally Posted by Tedro951
For sure! Then again, I've never driven a 100 hp car that weighs 3000lbs.
That’s a definite concern I have. So I called the NA store and ordered a large box of NA.


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fasteddie313 (07-29-2019)
Old 07-23-2018, 01:16 PM
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V2Rocket
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what else are you planning to do?
addressing all oil leaks, new clutch, etc can be done over a weekend and you'll be driving in boost again by monday.

putting another engine in that youll just take out later adds lots of complication?

and even running the 8:1 block non boosted would still give you in the 130hp range.
Old 07-23-2018, 01:30 PM
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chrenan
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Originally Posted by V2Rocket
what else are you planning to do?

and even running the 8:1 block non boosted would still give you in the 130hp range.
I’m planning on making some changes to the exhaust system so I can run a second set of headers.


Old 07-23-2018, 02:15 PM
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V2Rocket
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LOL got it
Old 07-23-2018, 02:17 PM
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chrenan
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Originally Posted by V2Rocket
LOL got it
Old 07-23-2018, 02:34 PM
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931guru
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As a PCA tech speaker once said, "An NA car just has infinite lag."
Old 07-23-2018, 03:27 PM
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chrenan
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Big radiator to keep things cool.





Old 07-23-2018, 03:29 PM
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chrenan
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Swap oil pan, 4 trap doors, one in each corner of the sump.

Old 07-23-2018, 03:32 PM
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chrenan
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I should pull that LS2 out of the box...

Old 07-23-2018, 03:33 PM
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chrenan
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Slap that pan and cross member on...

Old 07-23-2018, 03:35 PM
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chrenan
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Need to line things up just right, don't want to dent those long tubes or crack that new radiator...


Last edited by chrenan; 07-24-2018 at 12:25 PM.
Old 07-23-2018, 03:36 PM
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chrenan
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Then tighten the mounting bolts...






Last edited by chrenan; 10-11-2018 at 06:27 PM.
Old 07-23-2018, 03:37 PM
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chrenan
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Put the car back on the ground...



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