pneumatic timing retarder

I was searching around the web when I came across the following unit produced by spud miller:

http://fuelinjectionent.com/webstore/product_info.php?products_id=189

This caused to get the wheels in my head spinning and after doing a few searches I seen that there are others that offer an air retarder as well. Is any one currently or in the past used this unit or other units? If so, do they work well and are they pretty durable? What are the pros and cons of each unit? Thanks in advance.

 

The stuff Spud/Chris makes is tough. He puts a lot of thought into all his designs. Give him a call he's great to work with.

 

My dad George Sitko also makes a good piece that we have used on both our TAFC and a nostalgia fuel fc. Lots of guys have them on their AAFC's.

 

X2. Is it truly pneumatic, or is it like the one above where you have to use electric? Anything to watch out for on this type of setup?

 

I have a mike dunn and it has been great and he suports his stuff you can call him any time..Dave

 

aslo I have 1 of georg's on our spare motor very nice unit..Dave

 

do they come complete? what are they using to trigger the air cylinder, a pressure switch or RPM switch

 

George Sitko 562 243-0482

Mike Dunn 417 967-0528

Both guys will answer any questions you have, and both are world class to deal with.