Doubt it somehow, those are some impressive numbers aren’t they? Did try to interest Classic and Sportscar in recreating the Castle Combe thing a few years back..thought it would have made a good mini feature but next to no enthusiasm their end. cheers for now Andrew
Hey guys! It’s me again - did the full flush on the Austin and put a couple of holes in the thermostat and it’s still sitting on the hot end of the ‘N’ but not overheating at the moment - so just running hot! Could it be as simple as the summer heat causing it to run so hot?
Good to see that things are being eliminated in a logical manner. Obvious question - you have got antifreeze on your coolant? Much more efficient than water. Other than that - timing. As mentioned earlier a retarded spark makes the engine run hotter.
Yes, using coolant not water Okay will check the timing. Took it out last night for around 40mins - didn’t run hot. Stayed below and centre with ‘N’. Yet during the day, specifically in the afternoon when the sun is at its peak - only takes 10mins to rise to the hot end of ‘N’. It’s doing my head in!
I don’t think I mentioned that I also use this as my daily drive. Everyday to and from work, and in-between jobs! Thinking in the summer, it might just be too much for this guy!
Hi Charlie It might be worth you doing this check on the radiator even though I think you said you had it flushed. I had a toyota work vehicle that was overheating a bit and went to a mechanic to get the rad flushed.This made it a little better but was not a cure. When I checked with the engine hot about a third of the rad was cool relative to the rest. For the crab do it by removing the passenger side front wheel for better access and feel the surface where the fins are. It should be hot all over. If it has a cooler area its still blocked.
I live in queensland and no problem with overheating. Check your thermostats before they get fitted by boiling them in pot of water and make sure they open. Good Luck Nick
A good point! When you've checked for cold spots on the rad and checked timing (and checked temp sender/guage!), then next things IMHO are new rad - aluminium if you're feeling flush and then if required an electric fan on outside of rad to suck air through that you can switch on and off as required. Good news you're moving forward though.
As an aside - it's always difficult to know what's normal. On my car was stuck in traffic jam on Friday for an hour - creeping a few yards every few minutes - ambient temp 19 degrees and it went to just off the N, but calmed down once moving. A few years ago stuck in traffic for a long time (couple of hours) with outside temp 32 degrees and it went a long way towards the high end but not into the danger zone and did calm down once moving. New rad - best you can get - does sound like worthwhile investment - particularly if the other one's been in there since new and car is having to earn its keep!
I know rad flush has been used but I have it on good authority from a very picky friend of mine that the flush made by this company is the best there is. I know it's on the other side of the world and it's expensive compared to what is available here but it does do the job so might be worth a try.
My bet is the radiator is blocked , if it won"t clear by flushing and/or using a descaling product I would be getting a new rad, not much leeway with the cooling on the 1800 if a couple of waterways are blocked up, Ive had it in the past and had to fit a new rad, sorted .....