which cam to use?

Old 02-13-2012, 06:53 AM
  #1  
jamez74
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Default which cam to use?

I have 2 cams to choose from. wich one to prefer with 300-400 nitrous shot.

1 cam:
duration @.050 274/284
.726/.736 lift with 1.7 rockers
advertised duration 314/324

2 cam:
duration @.050 284/294
.748/.748 lift with 1.7 rockers

The engine:

Merlin3 540 cid bbc
Eagle crank and H-beam rods
dart pro1 cnc 355 heads
Super Victor Reher Morrisson intake
Race Demon 1250 cc modified dominator carb
Single stage fogger with controller
Crane HI-8 ignition

car weighs 2450 lbs with driver
4link with 32/114/15 tires
PG transmission with 1,69
4.56 gears
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Old 02-13-2012, 07:38 AM
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oldandtired
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Need the lobe centerline & seperation on the cams.
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Old 02-13-2012, 04:57 PM
  #3  
olds48
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Dang it,oldand tired beat me to it! He's right. The timing of the lobes are paramount on a NOS cam,more so than any other number.
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Old 02-19-2012, 01:22 PM
  #4  
jamez74
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114.0 both on first and 112.0 both on second
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Old 02-20-2012, 12:43 AM
  #5  
jamez74
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and compression is somewhere between 12.5 and 13
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Old 02-20-2012, 11:21 AM
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oldandtired
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Toss up, I wish the second cam had the 114. Dave
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Old 02-20-2012, 11:33 AM
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jamez74
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ok. but what should i order then? have any recommendations?
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Old 02-23-2012, 06:54 AM
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oldandtired
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Personally I would go with cam #1. You can always move up as you have the compression ratio to support either cam.
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Old 02-23-2012, 09:49 PM
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maxpower671
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like #1 as well
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Old 02-29-2012, 12:21 AM
  #10  
jamez74
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Thanx guys!
Comp cams suggested this on. I think i will go with my old no 1 cam for this year and next year will order a new one:


Duration @ .050 282/298
Lift with 1. Rockers .806/.758
LSA 114
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