Performance tuning guides for Volvo engines: turbo upgrades, engine management, exhaust and intake modifications.
Under Finnish law, an engine in a car may be modified using the most powerful and largest engine of the model series as the reference point. Displacem...
The boost pressure sensor has three wires. Connect a potentiometer (10 kΩ) between the yellow-gray and yellow-black wires. Reduce the resistance until...
The problem with the M90 box is that with careless gear shifting, the 3rd gear synchro ring can break and fragments will destroy the entire box. Reinf...
Standard boost pressure on B230FT is about 0.5 bar. 1. Install a calibrated boost pressure gauge. 2. Install a spring-loaded relief valve (e.g., Turb...
1. Lift the rear. 2. Put the transmission in gear. 3. Spin one wheel forward or backward briskly. If the lock works, it engages and both wheels start...
Seals from Volvo: Plug O-rings: 31401351 Housing seals: 31251456, 31251439, 271802 Oil dipstick seal: 30637865 Chemical sealant: 11610...
A comes from the word AREA and means the cross-sectional area of the inlet throat. R comes from the word RADIUS and means the distance measured from t...
B19/B21/B23 block, stock M rods and cup pistons, 8v head (160, 398, 530, 531), stock intake manifold, distributor ignition. Turbo 55 mm+ wheels and #1...
262/262cr/265/M50/M51 Getrag boxes fit behind an inline engine with loose couplings. BMW boxes are generally found in large-displacement cars (2.8 L a...
B19ET, B21ET, B21FT, B23FT, B230FT and B230FK engines have a standard T-profile camshaft. It is not considered good, especially for tuning purposes....
B230ET: Without catalytic converter, Motronic control, higher compression ratio, 180 hp. Head 531, A-cam. B230FT: With catalytic converter, LH-Jetron...
B23ET, B200ET and B230ET: wiring resistances 5.5–6 ohms. 700-series B230FT: 5.5–6.5 ohms....
B200/B230/B19/B21/B23 engine valve clearances: Intake valves: Check value: 0.30–0.40 mm Adjustment value: 0.35–0.40 mm Exhaust valves: C...
In fuel-injected inline engines, idle problems typically result from incorrect throttle switch adjustment or incorrect throttle base adjustment....
The mod allows you to change the ignition timing advance across the entire map. Options: Pin 19 to ground: 6 degrees retard Pins 18 and 19 to ...
B18/B20 (OHV, 1962–1975, PV, Amazon, 1800, 140, 240): Power: 75–124 hp (DIN) Bore: 84 mm (B18), 89 mm (B20) Stroke: 80 mm Connecting r...
For vertical installation you need: Engine brackets (e.g. rods and custom brackets from 240/B20 engine) Oil pan and pump (e.g. from B20 engine...
Larger -012 MAFs (air mass meters) are becoming hard to find. However, the electronics from the standard -016 meter can be moved to a 3 inch housing (...
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