Joe 90
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Everything posted by Joe 90
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Combustion gases in the coolant are a sign that the problem is with the engine and not with the cooling system. A pretty good way of testing this is to put a CO meter into the expansion tank (not in the water, into the air). If you can measure any CO, then it might well be a cracked block, a cracked head (v. common of tuned x/flows), warped head, head gasket etc. A poorly tuned engine generates more waste heat, so other things to check are mixture and timing. An engine will run hotter if the timing is too advanced or too retarded. Does it overheat in traffic/idling or at high speed/high rpm? 98,000 miles so far
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I'm glad you've got oil pressure, I remember sweating it out several times myself. No 1 cylinder is at the front, but the other thing to check is which way the rotor arm points when No 1 is ready to fire. The XFlow distributor can be installed so that the timing is anywhere. I assume you have checked for sparks/fuel? 98,000 miles so far
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Is anyone interested in a collaborative wind tunnel test. I read in Racecar Engineering that MIRA offer a service aimed at club racers (i.e. affordable, but I would have to check). If we could get a few modified cars together we could try them out to see which mods make a difference. From what I have heard, aero screens make the biggest difference. One of the regulars at the Penn Se7ens has cut his screen right down to give a similar affect, but it all depends on whether you go out in the rain. I am also very interrested in the tight fitting cycle wings, as they should look good. 98,000 miles so far
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If you want to put your old springs on your new shocks you need to get hold of a motorbike spring compressor. They are the only ones I've found that have small enough hooks to go over the coils. I would also allow plenty of time. When I did mine the bolts had seized so badly I had to cut/grind the eyes off the shocks. 98,000 miles so far
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You can do without vernier timing pulleys (which seem to be about £130) because the standard pulley allows free adjustment, it just takes longer. A porting job seems well worth while, assuming it hasn't been done yet. What's you current power band? 98,000 miles so far