Crossfire renegade intake
Last edited by 84 4+3; Oct 25, 2021 at 07:45 PM.
but it does look like a better unit than stock with the large ports.
Hell if you want mine go right ahead... just don't be disappointed when you find out why I had to dump it. It would be on my current build if I knew it would seal up... I just know that's a pipe dream given the port mismatch.
Last edited by 84 4+3; Oct 25, 2021 at 11:46 PM.
Hell if you want mine go right ahead... just don't be disappointed when you find out why I had to dump it. It would be on my current build if I knew it would seal up... I just know that's a pipe dream given the port mismatch.
Hell if you want mine go right ahead... just don't be disappointed when you find out why I had to dump it. It would be on my current build if I knew it would seal up... I just know that's a pipe dream given the port mismatch.
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Renegade intake vs. porting stock on 1984 crossfire corvette - YouTube
stock heads flow 184 cfm intake and 135 cfm exhaust, with stock cam. with mild porting, just a cleanup of stock intake manifold will flow 185. I've been testing stock intake, they don't flow 185, more like 165 if it's a good port, but there a lot of imperfections in a stock port. the diffuser under TB is a choke point. still testing.
stock intake port is 1"x 1.39", but not consistent. CSA is 1.39". 1.39x 133= 184.87cfm. so a cleanup is all you need.
135/184.87=73% 184.87x.26= 48.06x8=384x73%=280hp that would be max.but most likely not that high. crank HP.
clean up stock intake manifold, remove or modify diffusers is all that's needed for stock heads and cam.
I have also ran a lot of simulations with stock heads, cam and aftermarket heads and cams. cams 270 duration and under the stock cam does well.
I think it's better to have better flowing heads then to change the cam. unless you want to go big. in that case there is going to be many changes throughout the car. I personally don't want to do that.
my conclusion is for stock heads and camshaft. clean up intake ports and remove or modify diffusers is all that necessary.














