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Discussing 331 Setup in the 5.0 Mustangs Forum. Hi there, I just bought a 331 short block. I'm wondering how much horsepower ...

       

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Old April 27th, 2008, 08:40 AM   #1
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1981 Mercury Capri
 
Join Date: Mar 2007
Location: Québec, Canada
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331 Setup


Hi there, I just bought a 331 short block. I'm wondering how much horsepower I'll get with a good tune.

Forged Pistons KB720-030
RHS cylinder head 198CC 59CC (flow like Victor Jr or little higher)
10.4:1 compression rate
Crane cam 449761
232 244
563 595
(6800RPM max)
112LSA
Victor Jr intake
650DP carb
3.55 gear
T5 Transmission
1"5/8 long tube
2.5" exhaust

Thank you very much
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1981 Capri, 2003 Cobra brakes, 331CI, FR500 18" wheels, 1.9" drop
 

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Old April 27th, 2008, 01:03 PM   #2
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1987 ford mustang gt
well see when shes done
 
Join Date: May 2007
Location: mascot, tn
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Originally Posted by hitorx View Post
Hi there, I just bought a 331 short block. I'm wondering how much horsepower I'll get with a good tune.

Forged Pistons KB720-030
RHS cylinder head 198CC 59CC (flow like Victor Jr or little higher)
10.4:1 compression rate
Crane cam 449761
232 244
563 595
(6800RPM max)
112LSA
Victor Jr intake
650DP carb
3.55 gear
T5 Transmission
1"5/8 long tube
2.5" exhaust

Thank you very much
around 400 and how are you going to get a tune on a carbed motor?
 
Old April 27th, 2008, 01:11 PM   #3
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1981 Mercury Capri
 
Join Date: Mar 2007
Location: Québec, Canada
Posts: 29
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Juste meaning to be on his best, gapping spark plug, carb setting, timing...
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1981 Capri, 2003 Cobra brakes, 331CI, FR500 18" wheels, 1.9" drop
 
Old April 27th, 2008, 01:12 PM   #4
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1981 Mercury Capri
 
Join Date: Mar 2007
Location: Québec, Canada
Posts: 29
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I'll see in 30-40 days on mustang dynamometer : )
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1981 Capri, 2003 Cobra brakes, 331CI, FR500 18" wheels, 1.9" drop
 
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