PHB questions?
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PHB questions? Whats the difference between single and double adjustable PHBs? Whats the purpose of each of them? Are there any draw backs on either one of them? What would be the best type of end for my purpose? (daily driver, hardly sees track, dont want any binding, and dont want too much noise if any) What are rod ends and whats the purspose of them on a PHB? Should I consider those ends for my use? It seems that BMR only offers polurethane and rod ends for the PHBs, does any other type of manufacturer offer different types of ends? If I was to stick with BMR, which one should I go with? If poly, how big of a difference would it make as far as causing problems, binding, or more noise? Are there any drawbacks between the two ends? Thanks
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About the PHB, should I get it single adjustable or with double adjustments?
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Either, both will do the job. Consult with your wallet and decide how much lighter it should be and order accordingly (not really a wrong answer on this one).
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How come they make them in two different ways? Whats the purpose of each of them?
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Like the control arms. If it has heim joints or rod ends on it, they have to mount somehow and they usually screw in. it is just a way to attach them (and it keeps the control arms and panhard rod using the same parts to assemble them....saving money. The new BMR adjustable with poly/poly bushings has a single adjustment in the center.)
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Does BMR or Hotchkis make a good one? Do they offer theirs in different ends?
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BMR has a heim/heim and poly/poly adjustable, hotchkis has a poly/poly that is not adjustable.
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Which ends should I go with on the PHB?
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It is not as critical (to prevent binding) as the control arms, poly works fine. Rod ends are more positive, but may border on overkill.
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You say that youre going to change over to the LG LCAs, why and what are you running now?
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I have BMR Heim/Heim control arms and panhard rod. I had some Herb Adams heim/heim lca's and they didn't make nearly the noise that my BMR lca's make (rattling and noise). The LG Motorsports seem to be much quieter, I thought I'd try them....in the name of science.
This may help out.....
Re: PHB questions? The PHB sees very little "rotational" movement. The only time it would try to move in any way that could cause bind would be if you were seeing very much axle rotation during acceleration or if you readjust pinion angle. The PHB is one place that you can use a poly/poly bushing setup and really not negatively impact performance. The amount of rotation that those bushings see is not usually enough to worry about. I like heim joints on the rear suspension and feel the the lower control arms should be heim jointed on at least one end. I prefer pnhard rods with heim joints since they allow virtually no deflection and eliminate the amazingly small chance of bind that exsists. So, the reason I said "overkill" is that a poly bushing equipped PHB works extremely well. If you want to go a step beyond....get the heim jointed version. So, this is one of the few cases where either one will work very well (you can save money here and not feel bad about it.....). Good luck!
Re: PHB questions? Dom,
If you are autocrossing on sticky tires, the heim joints will locate the rear end a little bit better. There is virtually no play in them, poly still can give a very slight amount. The only thing the heim joints may help is to prevent the tires from rubbing the inner fenders. The difference will be small....
If you are autocrossing on sticky tires, the heim joints will locate the rear end a little bit better. There is virtually no play in them, poly still can give a very slight amount. The only thing the heim joints may help is to prevent the tires from rubbing the inner fenders. The difference will be small....
