Saab 9000 Tuning Guide |
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Saab 9000 Tuning Guide - Get yourself a 300bhp sleeper for less than 2 large. The Saab 9000 Turbo may not be the best looking car but it's build quality and tuning potential more than make up for any shortcomings in the looks department. This tuning guide will show you the best way of getting big power from either of the Saab 9000 Turbo cars, be it the 2litre or 2.3litre. |
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see also:
Rolling
Roads UK Saab 9000 Tuning Guide
Buying Your Car The Engines All Saab 9000 Turbo engines come with a steel crank, steel rods and Mahle pistons and they can handle up to 500bhp and still last 250,000miles without a problem. Head gaskets on all motors need changing at
100,000miles so before you start upping the boost this should be your
first job and while your at it you may as well change the timing chain.
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Saab 9000 Tuning GuideOil should be changed every 6,000 miles and use a good
quality synthetic 5W-30 oil. Pistons rings and bores are pretty much
bullet proof so there should be no problems there. If there is rattling
coming from the engine this is more than likely the balancer shafts
which will need replacing. Spark plugs should be changed and replaced
with NGK BCR8ES items. Saab 9000 Engine Tuning Tuning the engine up to 1991 year is easy but make sure the car has an intercooler and Performance Control Valve. If it hasn't get down the scrap yard and find some, Saab have left all the required connections for the intercooler and PCV so fitting is a doddle. Standard intercoolers are good up to 1.5bar of boost and are huge so no need for expensive upgrades here. On the pre 1991 cars the over boost setting is controlled by an adjustable boost cut out located under the dash above the pedals on the drivers side. In the middle of the valve is a screw covered with a blob of paint, wind this in and it ups the boost pressure, 0.9bar gives 220bhp and 1.2 gives 250bhp. To match the fuelling requirements to the increased boost pressure, fuel pressure also needs to be increased. Either fit an adjustable item or squeeze the current regulator in a vice. From 1991 boost pressure was controlled by a more
advanced ECU so increasing the boost will simply be cancelled out by the
ECU. To get around this, fit a new chip direct ignition box. Saabflight
can supply you with one of these for 365 pounds and will allow the
engine to get 1.2bar of boost and 250bhp on a standard exhaust for the
2litres and 270 for the 2.3 litre. Saab 9000 Tuning - Exhaust Saab 9000 Tuning - Stage 2 Saab 9000 Tuning - Stage 3 Saab 9000 Tuning - Handling Saab 9000 Tuning - Brakes Saab 9000 Tuning - Wheels & Tyres Saab 9000 Tuning - Transmission Gearbox gears can slip in the main shaft but this can be rectified for 150 quid by Saabflight or they can sell you a complete reconditioned unit for 950. As with any big power FWD car an LSD will make the
world of difference and Quaife is the default choice and are available
from Abbot Racing. For an uprated clutch specclutch.com do a stage 2 unit
for 300quid.
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