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Everything posted by Setright
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40psi does sound high, but it all depends on the tyre size. A 205/50R16 tyre would work well at that pressure, although I would probably go for 38psi. I run my 195/60R15 Potenzas at 35 front, 31 rear. Door sticker says 31/29. I think 25k miles from a set of tyres is okay, as long they have given you good grip in the process. 30k would be optimal. There are tyres that will last 40k and above, but often this is at the expense of handling - and safety! In terms of alignment, the recommend toe-in is ZERO on all four wheels.
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Colorado, the cat is the first expansion. The second thing is a resonator designed to boost torque by sending pressure pulses back along the system. The idea is for the pulse to encourage the exhaust gases to leave the the combustion chamber. The final thing is the actual silencer. At least it was like that on my 1990 BC7.
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The standard system isn't that bad a size, the only restrictions are the catalyst and the rear silencer. For a normally aspirated 2.2, 60mm pipes should be plenty. Larger sizes are best reserved for turbocharged engines. When buying a new rear silencer try to find something with dual pipes exiting the system. Two smaller pipes will flow as much as one larger one, but the big one will produce a low frequency drone on cruise....
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13psi is the old cap pressure. To me thats 0.9 Bar, new ones are 1.1 Bar, which is close to 16psi. STi rad caps are 1.3 Bar, but that might be taking chances with the standard coolant hoses... TeamPanic, I know how you feel. Whenever I hear just the slightest odd sound from my car I immediately go into panic and assume the absolute worst. It's very stressful, wish I could convince myself to stop! For the record, my Impreza was bubbling in the coolant expansion tank until I recently drained/flushed/refilled the system. Only replaced the upper and lower hoses, same old rad cap. Search for "coolant replacement" if you want to read my version of how to do it right :-)
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Hold your horses! What is a slight oily film? The glycol that makes up most of the antifreeze is slimely stuff, and after a few thousand miles in a normal engine, some of it tends to collect, along with corrosion particles and form a thin film on top the coolant. Engine oil in the coolant will form small globules first, and form a thicker layer as it builds up. A few bubbles coming through is normal. Especially if the coolant is gettting old. I say: Drain it fully, flush it with pure water, and refill with a good 50/50 anti-freeze, and then keep an eye on the levels.
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I understand the situation. If you had gotten out the car and asked for Wendy's to drain the lake right there and then, you would probably have had to face a number of angry drivers from behind. So, I would try to get the money for the entire repair bill, but be quick to "bargain" with the manager and accept money for the radiator only. If they say no, you are probably out of luck. "Which I admit is both bogus and sad." as Wayne said :-)