I need to rewire my truck but instead of using the truck stop coax I've been looking at the LMR. Is the LMR 240 equivalent to RG8X? 
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Coax Comparison
- Thread starter Jr750
- Start date
It is the same size, but solid center conductor is more efficient, but stiffer. If your set on that coax, check out the LMR-240 Ultraflex.
Don't bother wasting your money. For the lengths of coax involved you will notice no difference whatsoever in signal strength but you will find it much harder to route the coax in a vehicle install due to its stiffness and much larger minimum bend radius. Just get some good quality RG58.
Shadetree Mechanic
Delaware Base Station 808
I think the sheilding on the LMR is better than standard cable. The 240 flex is nice to work with and is just as flexible as any other coax. The 400 flex is a different story. The 400 flex is almost as stiff as the regular 400.
It was a nightmare trying to fish that 400 ultraflex through the hollow body panels of my vehicle. I think the lmr-240 ultraflex is probably the ideal choice for most people.
It's awesome stuff.
Used Buryflex on my truck. Had some left over from base antenna. Attached the specs. Also attached is couple of other charts.
Thanks, Rebbe
Looks hard to beat for CB mobile. As in product info, “same size as RG8X, but with better specifications”.
Guess I need to start at Mouser to get Amphenol connectors and pay for a crimping tool.
I wind up up with either too much or too little coax length in these Class 8 installs otherwise using “normal” retail coax offerings.
I’ve found a “no drill” routing for the OEM truck antenna, but it calls for easy-access yet lengthy interior routing.
Time to make it “disappear”. Can run it near overhead to be out of the way of any accidents.
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That stuff looks great, but seems hard to find here in the states. It seems to be really popular over in Europe. I like the copper foil much better than aluminum foil.
Davis RF
N Haverhill, NH 03774
603-787-2200
Find their web site. They have price sheet. I ordered 125 ft of Buryflex for $.89 a foot and PL-259's for $4.25 ea. $13.45 shipping. Total 167.20.
I called, spoke to nice lady who got the order to me in 4 days in a USPS fits and ships box.
Like Handy Andy says ......"Do your research first, then decide". The specs were much better than LMR and the price was good. The exterior is tough and it is very flexible, can turn 90 deg. in 2 inches easily. Did go to ACE and get some rubber grommets that fit snug around jacket for the penetration hole in cab of truck.
I was mistaken about the copper foil in Buryflex. This is what I had in mind.
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I was mistaken about the copper foil in Buryflex. This is what I had in mind.
How much is Ecoflex per foot?
I haven't found an American supplier. Here's the specs though.
https://www.universal-radio.com/catalog/cable/4130spec.html