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588 Blower Motors Cam Choice

Old 10-18-2021, 09:46 AM
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Default 588 Blower Motors Cam Choice

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i am having to rebuild my Apache motors they are 588 CI with B&M Mega Blower running 6 lbs boost twin 900 CFM carbs. Current cam is UltraDyne 245/256 @.05 and 650 lift 114 separation. should i go a bit bigger. Rev limiter set at 6000.

thanks for your input
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Old 10-18-2021, 12:54 PM
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Is that a solid or hydraulic roller?
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Old 10-18-2021, 01:02 PM
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it is hydraulic
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Old 10-18-2021, 05:42 PM
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Comp cams marine grind, easy on the valve train .
4/7 swap
microfinish

I`m running 548ci, 9psi
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Old 10-18-2021, 09:10 PM
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Just curious what the bore and stroke are
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Old 10-19-2021, 10:46 AM
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What heads and stroke and desired peak rpm.
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Old 10-19-2021, 10:56 AM
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Like that cam you are using just little more lift which is nice
not sure on the bore and stroke but will check i was told it was 588
putting brand new Brodix 327 BB3 Extra 400 @ 6000
Max 6000
know i probably don't need larger but love the sound big cam.
think the new heads will pick up torque versus the old Merlin Cast Heads
Any more input much appreciated.
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Old 10-19-2021, 12:12 PM
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Originally Posted by Bad to the bone View Post
Like that cam you are using just little more lift which is nice
not sure on the bore and stroke but will check i was told it was 588
putting brand new Brodix 327 BB3 Extra 400 @ 6000
Max 6000
know i probably don't need larger but love the sound big cam.
think the new heads will pick up torque versus the old Merlin Cast Heads
Any more input much appreciated.
Those heads flow great at 0.600. Could make great power with mild lift.
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Old 10-19-2021, 02:50 PM
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Probably 4.560 bore and 4.5 stoke.
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Old 10-19-2021, 07:03 PM
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If OP plans on pulling to 6k best have more duration. .650 lift max.
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