Search found 17 matches
- 10 Oct 2023, 13:36
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Re: Volvo 850 T5 - Its been a while
Hello, I'm really happy that you have one off those... Actualy it was my father who created that chip and my grandfather who was the prototype designer for the btcc car. So I would keep a tight hold on that. I will take a look around and mabey I can find some old blueprints for the btcc car :) Kind ...
- 12 Oct 2023, 09:44
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Re: Volvo 850 T5 - Old chiptuning (SAM)
I love reading this history. We are particularly lucky to sometimes get to the source of history like this. Many thanks for both of you taking the time to pass on this information.
Neil.
Neil.
- 17 Oct 2023, 13:11
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Re: Volvo 850 T5 - Old chiptuning (SAM)
Bump because this is one of the most interesting threads ever on MVS.
- 23 Oct 2023, 23:34
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Re: Volvo 850 T5 - Old chiptuning (SAM)
Feel free to post the top secret BTCC suspension info. No, we don't want to get you in trouble. Welcome and thanks for sharing this interesting info. I hope that anyone here has the technical ability to appreciate it. Makes me want to get on a plane with my scanner and archive that entire bench full...
- 11 Aug 2025, 08:47
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Re: 850 T5 - Brown coolant
It is possibly oil leaking into the coolant. Other than the head gasket, does your car (automatic or manual?) have an oil cooler for the engine with pipes that run to the RHS of the radiator? The engine cooler on turbos normally have this and they can fail inside the radiator allowing engine oil and...
- 11 Aug 2025, 09:17
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Re: 850 T5 - Brown coolant
. If the expansion tank fill hole is larger than the block tester use a large funnel with the tip cut off so it doesn't draw up coolant into the tester fluid. The kit could be borrowed from Advance Auto and you just pay for the fluid. BT-500 Head Gasket Combustion Leak Test Kit - Made in USA https:/...
- 11 Aug 2025, 11:14
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Re: 850 T5 - Brown coolant
Both the turbo and radiator cooler failure scenarios are rare. I think a compression test is immediately in order, as a bad result there is definitive. A good result there is not as definitive, but then the gas test guides you.






