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Re: 66 c10 engine upgrades
Quote:
Originally Posted by theastronaut
Oem HEI would be the best option for ignition.
Remove the stock mechanical fan and swap to an electric fan and shroud, I just did this on my '66 with a 250 and it made quite a noticeable difference in power and it's quieter.
The stock intake/carb is probably the biggest restriction, along with the mild cam specs.
There are parts/mods out there to make 300 hp out of a 250, just depends on how much you want to spend.
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The fan was also a point of interest for me so its interesting you brought it up and yes it's the predominant sound while driving. I'm not against electric fans but would a clutch fan be an option? I'll definitely do something with the intake and carb but I'm not looking to spend a fortune right now as I've just got my lowering kit and 4 new wheels and tires  lol
Last edited by Chevy nutcase; 10-20-2022 at 02:13 AM.
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