How do you know if you are getting valve float? Sometimes at a full throttle downshift I can hear the radix in boost the rpm's are high as **** but it just feels like it is taking forever at part throttle downshifts the engine is far more responsive and pulls like crazy. I am wondering if i am getting valve float and I losing boost through the exhaust side? What do you guy's think? anyone experience this? Do I just need some better valve springs?

 

They sound like they're gargling when the valves float.

 

You will lose power when your floating the valves. What is your redline set at??? If it isn't over 6200 I doubt you are floating the valves unless you have a ton of miles on yours..


John

 

ls7 lifters will help there cheap

 

valve springs will help him more than new lifters will when it comes to valve float

 

I am mostly feeling it around 6000 rpm. Is it maybe p0wer falls off just before that and 4000 rpm's has gobs of power? whan I had the stock pulley i did not have this problem but when I went to the 2.8 I noticed it. I am hearing a fluttering sound like if there were old dried up leafs in a cardboard box bouncing around. this is the best way i can describe it. I thought i may be getting detonation but I did a plug reading before going to the tr6 and they looked just fine. Do you think valve springs would be a good investment and maybe some 1.8 rockers??

 

I wouldnt do the rockers, but some yellow ls6 springs would never hurt anything IMO

 

Is your belt slipping? The ls7 lifters are the same as stock, the caddilac lifters are the improved version, FWIW. Springs would be a good investment, and get you ready for the cam of your choice.

 

not sure about slippage but I did throw a belt a week ago and it was shredded. about a month after switching to the 2.8 pulley. I am getting the metco 100mm idlers and the new tensioner pulley from magnacharger. hope that helps.

 

ill have a set of ti retainers and a set of springs here in a day or two hit me up if are interested ill let them go for a decent price
they will handle the rpms there from a daytona prototype car