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Showing results for tags '240z engine'.
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Not sure what it's called. but it's a vacuum motor on top of the engine that yanks up on the throttle linkage. I assume it's the high idle throttle for starting. It was disconnectified when I got the car. I hooked it back up and it seems to do nothing. Engine runs great when warm, but barely starts when cold. Is this an essential component to Z-related happiness? I know Zs need to be choked until they warm up a bit, but would a properly functioning unit improve my starting situation? There's a red adjustment screw on it that I assume would adjust it in some way. It's a '70 HLS30, stock as a rock. -
Just picked up a 1974 260 with an L24 engine, eventually I plan on rebuilding the car frame up and swapping out the L24 for an L28 turbo, but would at least like to have some fun with it till I get the money and a place to do the rebuild. Unfortunately the L24 with dual weber 32/30 carbs seems to be lacking in power. I know that it at least needs a valve adjustment( a bit of annoying tapping). But other than that it runs great the carbs seem to be fine. When i rev it up it sounds awesome and doesn't flutter has consistent pull all the way through the power band. But just lacks in power all together. My brother has a 4 banger prelude rated at 161 hp and it feels 10x more powerful. In fact, im pretty sure my POS old F150 with the original 4.9iL 6 could beat my Z off the line .....sad. Is this what I should expect? Would timing the valves improve horse power that much? Should i learn how to tune up the carbs? Where should i start? Any help/suggestions much appreciated.