12'SROCK Posted March 7, 2014 Author Report Share Posted March 7, 2014 I got the manifold used for $350 plus my tbss manifold as an exchange. Quote Link to comment Share on other sites More sharing options...
ric Posted March 8, 2014 Report Share Posted March 8, 2014 I got the manifold used for $350 plus my tbss manifold as an exchange. oh ok that was a steal man, well at least thats what I think. I know they go for over or close to a grand. Quick question from where are those heads from, asking because they're selling some 243s off a 2010 silverado but dont know if they'll bolt up on the lq9 Quote Link to comment Share on other sites More sharing options...
12'SROCK Posted March 8, 2014 Author Report Share Posted March 8, 2014 oh ok that was a steal man, well at least thats what I think. I know they go for over or close to a grand. Quick question from where are those heads from, asking because they're selling some 243s off a 2010 silverado but dont know if they'll bolt up on the lq9 They will bolt up to the lq9. Nice thing about the LS is that almost all the parts are interchangeable to an extent. Quote Link to comment Share on other sites More sharing options...
ric Posted March 8, 2014 Report Share Posted March 8, 2014 They will bolt up to the lq9. Nice thing about the LS is that almost all the parts are interchangeable to an extent. Cool thanks, are those any better than the 317s? I plan on doing some porting to both whichever they work best. Just been reading that the 243s are a good upgrade and for someone to want 350$ for both I think is a good price to jump on them Quote Link to comment Share on other sites More sharing options...
canadianVRss Posted March 8, 2014 Report Share Posted March 8, 2014 Cool thanks, are those any better than the 317s? I plan on doing some porting to both whichever they work best. Just been reading that the 243s are a good upgrade and for someone to want 350$ for both I think is a good price to jump on them Depends if you plan on going with some boost down the road or not. Quote Link to comment Share on other sites More sharing options...
ric Posted March 9, 2014 Report Share Posted March 9, 2014 Depends if you plan on going with some boost down the road or not. yea actually I do, a procharger has been on my mind. Just wanna get the head work out the way first. I heard this will bump up my compression a bit which that is boosts best friend Quote Link to comment Share on other sites More sharing options...
canadianVRss Posted March 9, 2014 Report Share Posted March 9, 2014 Have you figured out your CR? you don't want to have too high of a compression ratio or you won't be very boost friendly. Quote Link to comment Share on other sites More sharing options...
ric Posted March 9, 2014 Report Share Posted March 9, 2014 Yea well i don't plan on going to high of a compression since im gonna end up boosting later. I know the 317s are perfect for that, just wanted to know if by getting 243s with a little port job will be too much for what I want. Last thing I want is to throw a rod for going a little too far Quote Link to comment Share on other sites More sharing options...
onebadmax Posted March 10, 2014 Report Share Posted March 10, 2014 DCR is what matters. Your cam profile determines this, everything else being the same of course. Quote Link to comment Share on other sites More sharing options...
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