sodbuster
Jan 18th, 04, 4:42 PM
I got 1968 327 with the big crank journals and its got 245 hp the heads are # 3917298 are these any good?What do I need to get 300 hp from this engine and whats the difference between it and a 327 with 325 hp thanks
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Steves71 Jan 18th, 04, 5:05 PM I posted a question about a 402 build and am not getting any answers either. I have a set of 327 High performance heads and was going to build a 327 myself but I found a 402 BB cheap so I went that way. I couldnt find those casting numbers off your heads. Do you know the particulars? cc size, valves? I'd imagine your heads and intake are probably why its a 245hp. Steve Steves71 Jan 18th, 04, 5:06 PM Mortec has a bunch of good info on your heads and Block. http://www.mortec.com/ Steve onovakind67 Jan 18th, 04, 5:26 PM According to my calculator, the difference between a 300 hp engine and a 325 hp engine is 25 hp. What shape is your 245 hp 327 in? Your heads are probably 3917293's, 75cc smoggers. Assuming a reasonable lower end, a set of 64cc Vortec heads, a 220° cam, generic headers, a 4-bbl intake manifold and 600cfm carb should put you close to 300. bigjimzlll Jan 18th, 04, 5:28 PM all the info I could find state the 298 heads are for a 350 | ||