Originally Posted by westcoaststyle
I was good making 290 on stock C1 sleeves and no block guard. As raiden said, if done right, I suppose they are helpful and a cheaper solution to real sleeves, but you just have to get it done right. I was pushing something like 12/13 psi on a T3/T04E, but my tuner was always warning me about 'putting a nail in the coffin' every time I went to the track on that pressure without sleeves. Just some things to consider.
that must have been a while back josh, ikeep forgetting ur old. j/k. go here
http://forums.evans-tuning.com/viewf...86d44cb6d9a02e
and check out some of the setups hes tuned that he pushed over 400whp, including some engines over 500 with stock sleeves. it proves that its all in the tuning
i always get a kick out of this one
http://forums.evans-tuning.com/viewtopic.php?t=3083