Im bored with the 9lbs and ready for 12. I think I need to get the 3.40 inch head pulley, but I just want to double check. I also want to buy a factory tech valve body and upgrade the by-pass valve. Where is a good place to buy the valve body and what by-pass valve would you guys recommend. Thanks ahead of time.

 

I would talk to Mike Dunn about the "factory tech" "seperator plate" or the "Trans Go" kit from Troyer Performance




as far an upgraded bypass valve, there's plenty of thread on this so choose which one you want



don't forget the shorter belt and don't forget to keep your eye on your MAF counts / volts and ensure your tuner is OK with the added boost on your current supporting mods...

 

What kind of injectors and fuel pump are you running?

 

http://www.lightningrodder.com/forum...ad.php?t=59132

 

the OP here has a 4r70 trans

 

I have 42 lb injectors and lph255 fuel pump. When i get the 12 lb pulley I am taking it back to the tuner. Right now my AF ratio is set at 11.4.

 

I'd go ahead and use a 90mm SVT MAF or a SCT BA MAF, unless you have a MAFia or would like to runa blow thru MAF and stop recirculating the air...


I'd also suggest you try this bypass valve
http://cgi.ebay.com/ebaymotors/ws/eB...K%3AMEWAX%3AIT

as it should allow the boost too come on faster creating more low end trque to get the truck up and moving

 

I have a Lightning 90mm MAF and thanks for the tip on the bypass valve. I am going to order tonight.