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Cam suggestions for 383 build

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Old 03-12-2014, 10:27 AM
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Lunati has this one. Looks interesting. How would it very from say the 212/218 @.050 112 LSA

Hydraulic Roller. Good idle. Largest cam recommended for power brakes. Stage 2 cam, excellent street performance and off road use.
•Advertised Duration (Int/Exh): 284/284
•Duration @ .050 (Int/Exh): 218/218
•Gross Valve Lift (Int/Exh): .492/.492
•LSA/ICL: 112/106
•Valve Lash (Int/Exh): Hyd/Hyd
•RPM Range: Idle-5500
•Includes: Cam Only
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Old 03-12-2014, 10:43 AM
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I have been told by other Glastron gs205 owners that their boats will hit 50 mph with stock 305 engines. Is that about what I can expect with the 383 and duo prop Volvo penta in mine?
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Old 03-12-2014, 11:24 AM
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Originally Posted by SB
Going to A 114lsa cam in a small block makes it lazy.
That is a blanket statement not completely truthful. There are many other variables that come into play when choosing the LSA etc. A 114 LSA does not, in and of itself, make the motor lazy.
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Old 03-12-2014, 12:37 PM
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Okay, I called Lunati and asked about the single pattern cam I had posted and they highly recommended the 211/219 @112 and said it works really well. I guess I'm down to that cam or the comp 264 which has nearly the same specs. Again, what kind of top rpm's can I expect from the comp 264 in my 383 with better flowing GLM manifolds and would it be of any benefit to go with stainless risers over stock risers?
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Old 03-12-2014, 04:18 PM
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A 264 cam will be too small. i have a 262 cam in my 355, and thats too small.
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Old 03-12-2014, 04:40 PM
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[QUOTE=38special;4088576]Okay, I called Lunati and asked about the single pattern cam I had posted and they highly recommended the 211/219 @112 and said it works really well. I guess I'm down to that cam or the comp 264 which has nearly the same specs. Again, what kind of top rpm's can I expect from the comp 264 in my 383

Still dead at 4000rpm

Last edited by GPM; 03-12-2014 at 04:52 PM.
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Old 03-12-2014, 04:55 PM
  #87  
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Originally Posted by Trash
That is a blanket statement not completely truthful. There are many other variables that come into play when choosing the LSA etc. A 114 LSA does not, in and of itself, make the motor lazy.
You caught me !

Edit in: But not too bad for a blanket statement. LOL.
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Old 03-12-2014, 06:28 PM
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I think this cam from Summit has the same spec as the cam in the 6.2 MX merc engine

http://www.summitracing.com/parts/crn-104224
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Old 03-12-2014, 10:42 PM
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Originally Posted by 38special
Okay, I called Lunati and asked about the single pattern cam I had posted and they highly recommended the 211/219 @112 and said it works really well. I guess I'm down to that cam or the comp 264 which has nearly the same specs. Again, what kind of top rpm's can I expect from the comp 264 in my 383 with better flowing GLM manifolds and would it be of any benefit to go with stainless risers over stock risers?
5100-5200 rpm, been there done that. Oh wait, the XM on the 112 will be 100rpm lower. 51-5200 is for the 110 street grind. The XM276 was 54-5500. All for a 383.

Last edited by ACrooks69; 03-12-2014 at 10:47 PM.
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Old 03-13-2014, 11:04 AM
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Originally Posted by ACrooks69
5100-5200 rpm, been there done that. Oh wait, the XM on the 112 will be 100rpm lower. 51-5200 is for the 110 street grind. The XM276 was 54-5500. All for a 383.
A day away from payday and I'm still flopping around. Lol I did get a hold of Muscle marine here in Kansas and he said he has several cams that will work. One that will for sure make 350 h.p. and A 400 h.p. cam which he said would likely be more like 370 h.p. out the prop.
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