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Titanium Valve Train?
#1

Can someone enlighten me because I don't get it. What it is supposed to do? And what does it actually do?

I saw them here:http://sfbay.craigslist.org/eby/pts/1223770555.html
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#2

lighter, therefore faster acting - harder, therefore less prone to wear
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94 Midnight Metallic Blue Cab Porsche 968 w/deviating cashmere/black interior and WAY too many mods to list - thanks to eric for creating www.968forums.com



"It isn't nearly as expensive to do it right as it is to do it wrong."
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#3

not a bad price imo.
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#4

928 valve diameters were smaller and porting and valve enlargement makes sense(take a look at the intake ports compared to 968's)...not much room to expand on 968 3.0, though.

Lightening the 968 valve train makes sense if you can find more power at higher rpms... Again, as stated in an older post, you will be putting in ITB's to get the most out of the system and loose the low end torque

And then you have to adjust trans gearing for new torque peaks....etc....



What would be nice is using two 968 heads designs with variocam on the 928 block.... with the proper intake
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#5

That's pretty cool. I wonder if anybody still makes titanium connection rods for the 968.

Not being an expert on the subject by any means, it seems to me that a very nice setup for an NA engine would be to totally go for broke in the quest for top-end power (hot cams, ITBs, free-flow heads, etc.), at the expense of low-end torque, and then "back-filling" the low end by adding a system to inject nitrous just under full throttle, at just the rpm ranges where the power/torque has dipped as a result of the above mods. Wouldn't that allow you to have your cake and eat it too? On the other hand, a set-up like this would probably end up costing more than a supercharger...
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#6

you can get carillo, pauter, or a german brand to fit stock crank and pins

My personal choice would be carillo, but they weigh more than German brand and less than stock...but are very strong.

Don't know about titanium....
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#7

Carillo makes titanium rods....for ~4,000 a set vs ~~$1300 set for steel

Good article on Ti rods...

http://74.125.95.132/search?q=cache:eCpvog...=clnk&gl=us
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