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What Rpm Are U Spinning 365 Mag

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Old 05-19-2002 | 12:05 PM
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CONVINCOR 251
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Question What Rpm Are U Spinning 365 Mag

I am wondering if anyone is turning over 5000 rpm with stock 365 454 mag with small mods like headers and intake ?

Also what seems to be the hot intake on these things I'm running a victor jr.. and stock carb?
 
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Old 05-20-2002 | 11:07 AM
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i had that motor in a 89 checkmate,comp. cam,
team g intake,850 holley,stainless marine headers,merlin heads,spun that motor with its stock lower end 5400rpm
all day long.spun a bearing at 450 hrs.i got my money out
of that motor.
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Old 05-29-2002 | 06:19 PM
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I used to spin 5200 with mine.. and it ended up with broken valve springs and a cracked valve.. So if it has stock springs keep it under 5k. Thats what they told me at the time. With new one piece SS valves and new springs.. i wound it up...
Ended up with a 513" motor that would turn 6300... but they don't last long at that level.. *S*
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