Pros vs. Cons of F1-R and F1-A on a 6.0
#1
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Pros vs. Cons of F1-R and F1-A on a 6.0
Hey guys,
Building a 6.0 iron block with a bored and stroked forged rotating assembly and p&p 317 heads. Looking to make around 900-1000 whp and just looking for input on these two blowers. Most people seem to lean towards the F1-A but I might be able to get a deal on an F1-R. This will be mostly a street car, I do a lot of racing in "mexico" so its mostly freeway pulls. Any input is greatly appreciated.
Thanks guys!
Building a 6.0 iron block with a bored and stroked forged rotating assembly and p&p 317 heads. Looking to make around 900-1000 whp and just looking for input on these two blowers. Most people seem to lean towards the F1-A but I might be able to get a deal on an F1-R. This will be mostly a street car, I do a lot of racing in "mexico" so its mostly freeway pulls. Any input is greatly appreciated.
Thanks guys!
#7
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I wouldn't run more than 16 psi on 317 heads to keep from lifting the heads, you could run 18 to 20 psi with a thicker aftermarket head. These four bolt heads just don't have a lot of clamping force. The F-1A would be a lot more efficient in this boost range. Bob
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#12
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I just got my car back with a 95% tune. The belt walked at 15 lbs of boost 5800 rpm and my tuner said it was really rich. This is with an F1a and alky dual nozzles and Aster bracket. It should spin up to 6500, so I still have maybe about 5 more pounds hopefully my TFS 220 heads dont blow off. Lol tuner said that the tires were coming loose at 80 mph.
#13
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I just got my car back with a 95% tune. The belt walked at 15 lbs of boost 5800 rpm and my tuner said it was really rich. This is with an F1a and alky dual nozzles and Aster bracket. It should spin up to 6500, so I still have maybe about 5 more pounds hopefully my TFS 220 heads dont blow off. Lol tuner said that the tires were coming loose at 80 mph.
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ATI ProCharger and Moser Sales 260 672-2076
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#16
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Good deal Andy, I'm glad you found the problem. Bob
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ATI ProCharger and Moser Sales 260 672-2076
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E-mail: brutespeed@gmail.comob@brutespeed.com
https://brutespeed.com/ Link to website
ATI ProCharger and Moser Sales 260 672-2076
PM's disabled, please e-mail me
E-mail: brutespeed@gmail.comob@brutespeed.com
https://brutespeed.com/ Link to website