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Author
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Topic: cam question?
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thumpin cat
Gearhead Posts: 502
From: Santa Barbara, California
Registered: Mar 2002
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posted 09-20-2002 08:21 PM
  
will changing the cam in my 351w from the 284 to the 294 make a differece. Is the 294 to big for a street strip appication?
the specs on the 351w are:
victor jr intake
roush 200cc heads
hooker headers
speed demon 750 carb
3000 stall converter
comp cams
Grind: 284
Lift: .541''/.544''
RPM Range: 2300-6500
comp cams
Grind: 294
Lift: .554''/.558''
RPM Range: 2800-7000
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two89w
Gearhead Posts: 319
From: sydney australia
Registered: Sep 2002
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posted 09-21-2002 12:05 AM
what diff ratio are you running? i am thinking that you will need more stall and maybe more diff, i run a 294s in my 347 with a 4.1 diff and a tremmec,at 35mph (our local speed limit)in fourth gear its doing 2000rpm
and its very unresponsive,it wakes up at about 3800.is it streetable?? well i only drive weekends so for me yes others no.
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steve'66
Gearhead Posts: 9533
From: Sonoma,CA,USA
Registered: Mar 2000
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posted 09-21-2002 01:33 AM
You need a higher stall, like 4000+ to take advantage of the new cam. And 4.10 gears too.  SteveW
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thumpin cat
Gearhead Posts: 502
From: Santa Barbara, California
Registered: Mar 2002
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posted 09-22-2002 03:51 PM
so if i were to use the 294 cam with 3500 or if i have to 4000 stall converter, and 4:11 or 4:56, will my car still be slow off the line, and
power less at low rpms on the street, or will the taller gear and stall gear solve that problem?this is a street/strip application [This message has been edited by thumpin cat (edited 09-22-2002).]
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two89w
Gearhead Posts: 319
From: sydney australia
Registered: Sep 2002
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posted 09-22-2002 05:44 PM
the engine will spin up quicker off the line cause of the 4.11 or 4.56 diff but the 294 will move the powerband futher up the rpm range.do yourself a favour put a solid 294s in it.i am not familiar with stall convertors while just cruising,maybe some1 else can guide you
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