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Re: Viggen Engine Upgrade
Posted by David Prantl (more from David Prantl) on Wed, 24 Jul 2002 19:00:21
In Reply to: , Kok Chen, Sat, 17 Dec 1988 12:00:00 

>  horsepower rating for the Aero's engine has been upgraded  from last 
>year's 230 to around 250.

I have not driven a 230hp 2001 9-5 Aero or a 250hp 2002 9-5 Aero, but I'm 
pretty sure the power increase is more for appearances (marketing) than for 
real-life performance.  Notice that the maximum torque remains the same for 
both cars.

Almost certainly, the change is confined to the Trionic (engine management 
system) brain box.

>  And are those modifications available for the Viggen engine?

No, but if you were really determined, you could probably find a 2002 9-5 
Aero Trionic brain box, look over the appropriate wiring schematics to 
verify that all connections are compatible, and plug it in to your Viggen.

Better still, you could look into an aftermarket Stage-One engine upgrade 
package, which would not only raise that top-end hp figure, but provide some 
real-life torque enhancement.

For example, speedparts.se has the following Stage-One upgrade for the 
'99-'01 Viggen in their on-line catalog:

Max Horsepower:  274 (up from 230 stock), 19% increase
Max Torque:  313 lb.ft (up from 258 lb.ft stock), 21% increase

http://www.speedparts.se/prod/uppgrad/sp_ug_index.htm


David Prantl
david_prantlno39sdcx6spamx782hotmail.com
'84 900S, 5M, 210kMi, RIP as of 2/98
'89 900, 3A, 116kMi, restored and SOLD on 3/24/01
'86 9000T, 5M, 200kMi
'88 9000S, 5M, 142kMi
'90 9000S, 4A, 142kMi
'93 9000CSET, 5M, 76kMi                      
'97 9000CSET, 5M, 60kMi
'68 97 Sonett V4, 4M, 76kMi, #000467
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