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74 L-48 Corvette
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c3vette
New User
| Posts: 6
| Joined: 08/08
Posted: 08/27/08
06:08 PM
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Have a Weiand 177 super charger would like to install it my questions are - 1. Fuel Pump gpm ?
2. What size carb should I increase to ?
Motor is stock as far as I know.
Thank's
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JW454
Enthusiast
| Posts: 345
| Joined: 07/08
Posted: 08/28/08
04:20 PM
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What size carb do you have now? The amount of fuel volume needed will mostly depend on that. That is a relatively small blower, so I would think in the range of 650cfm. Fuel pumps are rated at GPH. 110 GPH. would be more than enough pump for your application. I will say this, the stock cam is junk and not suitable to take advantage of even a small blower. Furthermore, the cast pistons wont like it much either, so you should be prepared to underdrive the blower as much as is neccessary to limit boost around 5psi. The timing will also have to be retarded accordingly.
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