Quote Originally Posted by RedHeartbeat View Post
Street and Performance has a set of mid length headers that work great for the LSx engines in an OBS truck, 2wd. We haven't tried them on a 4x4 that I know of. The fbody LT headers will NOT work. NITROUS was the most recent member I can recall that used the S&P headers and he sent them back a few times until they got them bent correctly. They should have the data on file for the bends. Long tube headers are still not available. I had to build them myself and no manufacturer I emailed was willing to take my headers and digitise them into their system to replicate for future sales.

The fbody and truck stock manifolds work without any issues in a OBS truck. I did truck manifolds on my 92 and fbody on my 93 using the motor mount conversion similar to S&P type mounts. These are steel and available on Ebay for about $40.
thanks for the info. it really sucks there's no lt's for the obs swap. when I do the swap I wanna turn it into a n/a beast and S&P mids with there 1 5/8" primaries just kinda seems restrictive. I guess that's better than the stock manifolds though. lol