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Usefull HP/Torque formulas and definitions.

TORQUE IN LBS./FT. = (WEIGHT IN LBS. X LEVER ARM LENGTH IN FEET.)

1 HP = 550 LBS./FT./SEC.

1 HP = 33,000 LBS./FT./MIN.

HP = (TORQUE X RPM) / 5252

TORQUE = (HP X 5252) / RPM

TORQUE AT THE REAR WHEELS = (ENGINE TORQUE X TRANSMISSION GEAR RATIO X RING AND PINION RATIO)

ACCELERATIVE THRUST = (TORQUE AT THE REAR WHEELS / TIRE RADIUS IN FT.)

RATE OF ACCELERATION = (ACCELERATIVE THRUST / TOTAL VEHICLE WEIGHT.)

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What are the approx. boost and vac numbers on the factory boost gauge?

The right end of the black is approx 25-30in HG and the end of the white is approx 1Bar or 14.7psi.

However this gauge is uncalibrated and therefore inaccurate. Also, compared to most aftermarket gauges, it is extremely slow responding.

NICE UPGRADES

Some of these items are safety, convenience & cosmetic Will work on 850 & 70 series Cars

********************************************************************

Bumper grille Grate part # 9159576 $35 helps prevent damage to Condensor

External transmission oil cooler from S70$300 part # 8618347

Oval exhaust tip from S70

Wide angle driver door Mirror $65

Power Antenna Switch black $30 part # 9447386

Wiper delay relay from VW/Audi $25

Sidemarker lights $30

Rear mudflaps $55 1993-1994.5 9124856 $19.17/3542924 late 1994.5-1991 $43.18

Sunroof wind deflector

Rear side window shades $145 PART # 6806289

Rear windshield Shade $208 PART # 9409647/9409648/9409649/GREY/TAUPE/BLUE

Rear seat heaters Switches/ harness 9128541-1/9128542-9/9148513-6 $26 each

rear seat heater elements top & bottom 9132197x2 / 9138876x2 $64 each

Rear lid spoiler

Front foglights

Stainless Steel Brake lines $70

IPD rear over load coils $125

IPD skid plate $150

IPD sway bars$325

IPD Top Motor mount $20

Samco hoses $90 -$200

Wheel locks $40 PART #8670963

Colgan Bra $100

Roof racks $150

Cargo tray PART$115 Part # 9453188

Tunnel mat cover carpet in rear $14 part #9192840

850 Door Skuff plates $120

Rubber winter floor mats $98 part # 9422217 grey/9421998

Coolant reservoir cap new style is green $8

KNN Filter $45 part # 33-2670

Volvo strut mount Brace part# 9204176

Cabin air filter $18 part # 9171296

Cabin filter adaptor $20 part # 9184129

ac evaporator $185 part # 6802300

ac receiver drier $57 part # 9137405

anti squeal brake paste $9 part # 1161325

Sc 816 Cd radio rebuilt part black face $195 part # 8103945

Sc 901 3 disc cd radio $252 part # 8103921-2 rebuilt

SC 901 3 cd magazine $52 part # 9496314-7

Amplifier Needed as well Harness for SC 901

antenna mast $16 part # 3533568

Trip Computer

Rear table for pass seat $48.50 part # 9499055

Some of these prices are from FCP Groton & other supliers such as IPD & the Borton Volvo

You can verify part # & color on VLVWorld.com

http://www.vlvworld.com/indexframe.html?850/toc.htm

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*Enter Sean's mighty list of worldwide aftermarket parts suppliers for Volvos*

Volvo Exclusive North American Aftermarket Vendors

1. www.ipdusa.com

2. www.eurosporttuning.com

3. www.volvomotorsports.com

4. www.engstrom.net

5. www.brickstylz.com

6. www.texasautomotiveperformance.com

7. www.vptuning.com

8. www.evolvecars.com

9. The Prancing Moose Store

10. www.rkautotechnik.com

11. www.quickbrickmotorsports.com (Under Construction)

North American OEM Parts Dealers

1. www.eeuroparts.com

2. www.fcpgroton.com

3. www.myswedishparts.com

4. www.shopautobahnparts.com

5. www.alloemautoparts.com

Overseas Aftermarket Vendors

1. www.atechmotor.com (Sweden)

2. www.mr-sweden-motorsport.de/ (Germany)

3. www.autotuneheinz.be/ (Belgium)

4. www.bilsport.ch (Switzerland)

5. www.bsrab.se (Sweden)

6. www.heicosportiv.de/ (Germany)

7. www.europeantuning.com (Netherlands)

8. www.jt-tuning.se (Sweden)

9. www.kalmar-union.com/ (England)

10. www.nordic-car.com (England)

11. www.samsteffansson.se (Sweden)

12. www.tme.se (Sweden)

13. www.partsforvolvosonline.com (England)

14. www.volvotuninguk.com (England)

15. www.volvonet.org/tpc (JP Styling - Finland)

16. www.hallsjostyling.com (Sweden)

17. www.stenparnermotor.com/

18. www.reiz.co.jp/vst (Japan)

19. www.volvoshop.net (Thailand)

20. DVS Volvo Performance (Australia)

Volvo Forums

1. www.volvospeed.com/bb

2. www.swedespeed.com

3. www.swededemon.com

4. www.turboperformanceclub.com (Sweden)

5. www.volvo850forum.com (Netherlands)

6. www.volvopower.net (Norway)

7. www.volvoPower.de (Germany)

8. www.volvot5.co.uk

- sean did all this work.. he is helpful.

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I've answered this a few times. But I will answer it again because I don't feel like searching for my answer.

An OBD-II ecu can only be programmed via the OBD-II port when the car has the FULL OBD-II implementation. Pre-99 cars do not. Notice I didn't say pre-99 VOLVOS, I said pre-99 CARS. The reason is that ALL automakers were required to adopt the FULL OBD-II standard by 1999. One of the requirements of the full OBD-II standard was that the ECU can be reprogrammed via the OBD-II port. The intent was that the manufacturer/dealer could update the ECU with new ECU tunes for different markets or for emmissions changes quickly and easily.

Because ALL ECU manufacturers and automakers had to comply, the OBD-II standard was readily and publically available. Well, naturally aftermarket tuning companies had access to this same information which gave them the foundation they needed to be able to reprogram ECUs from the OBD-II port just like the manufacturer/dealer, only with performance-oriented tunes.

Automakers were required to switch from OBD-I to OBD-II ECUs starting in 1996, but the requirement was only for a small subset of the full OBD-II implentation. For example, reading certain standard values like O2 values, fuel trim, and ignition advance via the OBD-II port were required starting in 96. But the FULL implementation, which included features such as programming via the OBD-II port, were not required until 99.

So some automakers adopted some or all of the OBD-II standard earlier than 99, but they were not required to. Others chose to wait until 99 for various reasons. What you ended up with was 96-99 cars that had SOME of the OBD-II features, but not all. And it varied with the manufacturer of the car/ECU. This is how you can hook up code readers, dataloggers, etc to an "OBD-II" port on an 850 as early as 95 and get information (even though they were not rerquired to until 96). But things like PPC isn't possible because the pre-99 ECU is not fully OBD-II compliant.

On pre-99 ECUs, you have to either reflesh the ECU via a special flash reprogramming station, or remove the stock flash chip and install a rom (or prom or eeprom, etc) chip in it's place. Both of those methods require removal of the ECU.

* the above is courtesty of Slater.

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