Re: benefits of running mechanical lifters

[redepisa@juno.com]

Mechanical lifters also give you a few extra hp.
--Ren
---------------------------------------------------------
1987 Scirocco 16v Silver 109000miles FOR SALE needs work, $3000 in parts,
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If I was to act my own age, I woudn't be myself
redepisa@juno.com     or     senomar@aol.com


On Thu, 5 Jun 1997 03:09:10 -0500 (CDT) trnsfrma@ix.netcom.com (Shawn C.
Meze) writes:
>At 02:35 AM 6/5/97 -0400, you wrote:
>>I am just wondering what the benifits of running mechanical lifters 
>over hydraulice 
>>lifters would be. I see a lot of race engines and high cmpression 
>engines being run
>>with the mechanical lifters and it just doesn't make sense to me! Is 
>this because 
>you 
>>can manually adjust them?  How would that help?  
>
>
>In a nutshell, the hyd lifters adjust themselves. So if there is wear 
>of any kind, 
>or the valved have beaten the seats to where it would cause the valve 
>clearance to 
>change, the hyd lifters automatically adjust them for you. No removing 
>the valve 
>cover, no cranking by hand a few dozen times, no messy and sometimes 
>difficult 
>removal of the shims ect. Its all done for you. 
>
>Now, the bad part about the hyd lifters is they are dependant on 
>proper oil 
>pressure. Sometimes the oil gets hot and the oil pressure just isnt 
>what it needs to 
>be. That in combination with the aging proccess of hyd lifters 
>themselves not 
>working properly with a low but within oil pressure specs, you get 
>some really loud, 
>rattling lifters at idle and hopefully at higher rpm's it clears up. ( 
>very 
>annoying)Start up in my GLi always has some lifter noise for about 
>15-30 seconds 
>when its cold. After that, its quiet. 
>
>A good example of this is Randy Walters Gti. After a race, his car is 
>so loud people 
>stand around it waiting for it to blow! He has got over 230,000 miles 
>on the engine 
>and as you know, none of them were easy. (Its been a dedicated autox 
>car for about 
>the last 6-7 years now so it only gets driven to races, raced hard and 
>driven home 
>again.)
>  
>
>Hope that about covers it for you? 
>
>
>Shawn
>86' Jetta GLi
>82' Scirocco GTi
>The Fastest, Quickest, Cleanest and
>best looking Scirocco in all of San Diego!
>http://www2.netcom.com/~trnsfrma/vws.html
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