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US and European octane numbers are arrived at using different methods. The US uses (Research + Motor Octane)/2 for their numbers. I believe Europe uses only the Research number. The result is European gasoline would have a lower octane number if rated by US method. Quickly checking Google, I didn't ...
- Tue Jun 14, 2005 10:53 pm
- Forum: Racing & Track Events
- Topic: 9 miles under my belt
- Replies: 5
- Views: 4555
A quick estimate puts 4000 rpm at about 80 mph. That's quite an autocross event site they have if you are exceeding 80 mph. I've only gotten near that speed at one event. A local group used to put on events at a former military airstrip and set the course up on the runway. It started about 1/4 of t...
I've only done this a couple of times, and my memory's not that great, but the clutch and brake pedals come out as a single unit. Release the clutch cable from the quadrant first. I remember needing to remove three nuts, either 15mm or 17mm IIRC, and I think two are horizontal into the firewall and ...
Phil's lug nuts sound very promising, I'll be looking for them. Another possible option I've wondered about for some time is European car dealerships such as Audi, BMW and Mercedes. My logic is that the lug nut design used on Merkurs is supposed to be pretty common in Europe, maybe the other brands ...
- Sat Oct 30, 2004 2:04 am
- Forum: XR4Ti
- Topic: saab IC in battery tray location
- Replies: 10
- Views: 3459
Don Haulsee put dual Saab 900 ICs in the battery tray and had temperature probes pre- and post-intercoolers. Unfortunately, I don't remember the exact numbers, but it was definitely an effective arrangement. I seem to remember that he spent a lot of time playing with yarn strips to check the airflow...
- Thu Oct 07, 2004 11:58 pm
- Forum: XR4Ti
- Topic: Broke engine. I am stumped. What can ya'll make of it?
- Replies: 28
- Views: 7826
I don't remember the exact sparkplug gap at the moment, but .045 is definitely too much. .032 - .035 is more like it. You also might want to check the routing of your spark plug wires for a possible crossfire condition.