infierno

Ok im doin my H/C/I swap, and was wondering i have the track heat h/i and i have an x303 cam. I was wondering if anybody had tried this setup and knew if I will I have enough valve clearance with this setup, or will i have to see about new pistons?

vtecwho

they say that you need to check clearance for anything over .5, i forget what the x303 is but its not worth a bent valve and a jacked up pistion.

mjr46

I put an f-cam in my 92 with a little room to spare....however the x-cam is .542/.542 I believe and it will be very close if at all....it's not worth it because you also must take into account thermal expansion ....as it heats up inside things will expand so on initial start up it may be fine but as soon as it warms up ...wham , smack crackle and pop!!! anyway to check PTV right you'll need to convert a stock roller lifter to a solid one by taking out the internals and flipping the lash adjuster up side down and add a few washers under it until you can install the snap ring snuggly then set up valvetrain.

93hatch306

Stock or aftermarket pistons? Have the same heads with TFS #2 cam( .542/.563), no issues with D.S.S. flattops.