Dasmoetorhead
Active member
Yup
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Ramp for rear wheel to make adding air easier
- Thread starter vito1943
- Start date
Mikey
Well-known member
Myself, I am not that anal about it. I may check my air three times through the season. For most of the time it doesn't change, other than when the temp changes with the seasons up here!
Mine changes about 4 PSI almost every ride. Less in the winter, more in the summer.
Mikey
Well-known member
You will wear yourself out worrying about the air pressure at the end of the day in my opinion, and I don't believe your tire will last any longer than mine do. Your fulguration is temperature driven, if you leave your dooryard say at 18 psi, go out for a 100-mile ride get your gauge out and your pressure can be 2-4 higher than when you started. Do you worry about that and change it in the middle of your ride, no, of course you don't! Do you look at the tire pressure in your car tire every time you leave the door yard, most cars have tire monitors now? You must burn a compressor up in a year.
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I use this Jaco digital gauge with bleeder valve for precise inflation, the chuck end just slips over valve stem and releases with a push of the release button, no latch to flip up and down. I also purchased the 90 degree extension with the same lock and release button which makes it very easy to check/inflate the rear tire
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Mikey
Well-known member
That is a nice setup, I have been looking to get one of those gauges! How long have you had it? Obviously, you like it?
After about an hour's ride, your tire pressure SHOULD go up by about 4psi from its 'cold start' pressure...
If your tire pressure doesn't go up from it's cold start pressure by something close to 4psi after an hour's ride, then your tires are over-inflated; and if the pressure goes up by anything much more than 4psi after an hour's ride, then your tire's are under-inflated! Neither is good!
But as has been said before, here and elsewhere, I doubt that too many of us are really pushing anything like the extreme limits of our tires &/or Spyders all the time, so for most of us, most of the time, something/anything around that 4psi increase after an hour's ride is very likely to be near enough and safe enough! And you really don't need to wear yourself out checking your tire pressure every 30 minutes or so, or even anything much more than once a week or so...
Ride More, Worry Less!
Cobranut
Active member
I think people are making WAY too big an issue about this subject.
For street riding, I doubt anyone here could even detect a 3 or 4 psi difference in tire pressure, and it's certainly not going to result in a catastrophic tire failure.
On most of my street cars, I run about 10% over the factory recommendations, as I like a bit firmer ride and crisper handling.
So far, this doesn't seem to translate to the Spyder very well.
I'm running the recommended pressure in the front tires, and 3 psi lower in the rear, as it seems to help straight line traction without hurting cornering.
Once I install a car tire on the rear, I'll have to find a good pressure through experimentation.
At any rate, I check the pressure every couple months, and take a quick look for any visible issue before each ride.
For street riding, I doubt anyone here could even detect a 3 or 4 psi difference in tire pressure, and it's certainly not going to result in a catastrophic tire failure.
On most of my street cars, I run about 10% over the factory recommendations, as I like a bit firmer ride and crisper handling.
So far, this doesn't seem to translate to the Spyder very well.
I'm running the recommended pressure in the front tires, and 3 psi lower in the rear, as it seems to help straight line traction without hurting cornering.
Once I install a car tire on the rear, I'll have to find a good pressure through experimentation.
At any rate, I check the pressure every couple months, and take a quick look for any visible issue before each ride.
If you're running southbound on the freeway on a hot summer afternoon your righthand front tire can exceed that 4 psi increase by some. But that's the ambient effect we can do nothing about. There are local highways I ride almost every time I go out and as my front tire psi gradually changes I can feel the difference in its performance and the cornering characteristics. The roads I ride generally follow the same layout as when they were constructed back in the 1800s but with some improvement for the most part. As the front tire's sidewall flexes with different speeds as I press into the turns, and the psi has slightly changed, if I pay close attention, the differences in handling are easily detectable in that 4 psi variation change. It's not making it dangerous at all, but it is noticeable.
About a year, use it on all my vehicles, very accurate.
My Jayco tire inflater has been perfect for the last several years I have used it. No need to raise the Spyder to add or remove air from the tires, works on the rear as the tire stem is an easy push on and remove connector. Something like $39.00 from Amazon. A commercial grade product.
JACO FlowPro 2.0 Digital Tire Inflator with Pressure Gauge - 200
pegasus1300
Well-known member
PistonBlown, do you remember where you got those from? Was it Harbour Freight?
I use a ramp intended for levelling out caravan wheels as I happened to have some in the garage. No issues scraping the front. I reverse onto it. I have three of these so have used then under the front wheels as well to lift the whole Spyder up when servicing it:
Ignore the circles in the photo
PistonBlown
Active member
We don't have Harbour Freight here
. They came from a company called Supercheap Auto here and a pair cost NZ$39 at the time, that's about US$20 so pretty cheap. Had a look on the Harbour Freight web site and found something identical (though a little more expensive):
Three-Stage RV Leveler Ramps
Amazing deals on this Three-Stage Rv Leveler Ramps at Harbor Freight. Quality tools & low prices.
pegasus1300
Well-known member
Being so close in the forum, I forget that in reality we are so spread out.
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