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Old Jan 13, 2009 | 08:20 AM
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Smile Boost-a-pump

I have a C6, D1SC procharged 403-trickflow 215cc heads, stock c6 z06 cam, and methanol injection, and mototron 60 lb. inj. using stock fuel pump. I am running out fuel. I am using a 6 rib 7.5" HB and a 3.5" reichart pulley (pulley is slipping I will go back to 3.9"-last I used with minimum slip) My guess is about 11 lbs. boost or 725 rwhp. My question is would a kenne belle boost-a-pump add the additional fuel I need, and how reliable are they. Oh and which one - 20 amp or 40 amp - or is MSD version better?
Thanks for any help.
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Old Jan 13, 2009 | 08:59 AM
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I have a walbro 255 in tank and a kenne bell boost a pump and I am still loosing fuel pressure in the 5,500-7,000 rpm range 10-13#'s of boost in a 347ci moter. (same fuel injectors you have) I'm going with a lonnie's performance dual pump set up for the spring. Its about $150 more than a BAP and with the 725hp your making, the stock pump and a BAP is a band aid. I've had my tank out of the car 3 times now and I'm done with hot wire kits BAP's ect, going big and forgetting about it.
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Old Jan 13, 2009 | 09:05 AM
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The best solution is to upgrade the fuel pump. The BAP approach is the band aid solution.
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Old Jan 13, 2009 | 09:32 PM
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Originally Posted by ls1290
The best solution is to upgrade the fuel pump. The BAP approach is the band aid solution.
Agree...bap are junk
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Old Jan 14, 2009 | 04:35 AM
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The Kenne Bell 40 amp is the better of the band aids, but a true fuel system is the best way to go. On a C6 the fuel system upgrade gets expensive in a hurry. At the horsepower level you are at, I wouldn't rely on a boost a pump. Bob
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Old Jan 16, 2009 | 12:11 AM
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Thanks Wallet is hurting but I know hp costs money
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Old Jan 16, 2009 | 12:20 AM
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Does the Corvette have a true return style system? If it's like the f-body, the pressure drop over the last leg of tubing will kill you no matter how much pump you put behind it.
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Old Jan 16, 2009 | 07:47 AM
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Originally Posted by TheBlurLS1
Does the Corvette have a true return style system?
Only 97 and 98 C5s had a real return style setup. 99+ have the regulator way in the back right next to the driver's side tank.
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Old Jan 17, 2009 | 01:27 AM
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Originally Posted by ls1290
Only 97 and 98 C5s had a real return style setup. 99+ have the regulator way in the back right next to the driver's side tank.
Weak. C6's the same way?

You know what kind of RWHP a C6 fuel system (not the injectors) maxes out at with a Walbro installed?
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Old Jan 18, 2009 | 01:36 AM
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Fuel pump, return line, with boost ref AFPR and youll be golden.
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Old Jan 23, 2009 | 09:59 PM
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Thanks everyone for very good info
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