cost for chain tensioner upgrade

[tomswa]

I have a 1978 targa with 107000 miles. I have been advised to upgrade the tensioners to the turbo style. The 101 projects book suggests this is a 5 hr job. Well maybe for someone who has done it before. I see prices for the parts at $900 but my first quotes were $2300 and $2500. What is reasonable in northern california.
Also at what mileage should I be concerned?

[Mick_D]

I think the parts cost is more like $1500 nowadays. I am going to have to do my own.

[tomswa]

Check amazon vertex for $819

[gregwils]

Ah, you should be concerned 50,000 miles ago.

You can buy genuine Porsche from Pelican for $786.

[Mick_D]

I must be thinking of the Carerra chain tensioner upgrade.

[rockabillyjay]

Or do the guards:

Engine near death experience! Or; the best $21 ever spent

[Jack Stands]

Chain tensioner guards with updated idler arms would be a great option. See the Supertec website for information on re bushing and modifying your idler arms for a reasonable price. The tensioner guards should be a required addition to any early 911.