Vortecs and lt4hc are roughtly a 380 ish hp combo with 1:6's.
o4SilveradoMykk wrote:I put a LT4 Hot Cam & 1.6 RR's in my L31 Vortec Build... But I haven't fired it, swaped it ,or driven it yet.... from everything I've read is that this cam can be a real dog down low on a heavy pickup. Thats why I'm using a 3000 stall locking torque converter for my 4L60E.
Easymoney wrote:You mentioned tbi and vortec. They have never been together on the same motor from the factory.
1995 was the last year for the tbi and it didnt get the vortecs. 1996 was multiport with vortec heads. Just curious about the heads you are running.
I have had some experience with this and the easiest thing we found was an adjustable map sensor but if you don't add more air/fuel you really wont notice much gain.
screamen_seamen wrote:Just did a little research and a LT4 came with 10.8 to 1 compression and the hot cam shows to be good from idle to 6000 RPM's
screamen_seamen wrote:I think you said your using one of these cams, so you should know. I am running a 5 speed so it really shouldn't effect me that bad. As I think about it I would like to have a little more top end power out of a cam and tune swap. Bottom end is fine it destroys tires already.
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