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Wanting to change throttle body


chawkins6789

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The differnece is the impeller, CFM the unit can put out and the power capabilities of it. The F1 is a monster. The Smaller units like the D1 have off the shelf brackets as the larger units like F1 etc most have to be custom made, along with the drive system of the blower. Instead of belts the power the F1 is capable of (over 1,500 HP) Cog drive is recommended. The D1 can still produce over 1,200 HP. My vette made 719 with a 12 PS1 and the blower is rated for 21 PSI until the power starts to fall off....

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You can make 550 RWHP with a P1SC.... For the price of another $300 the D1 is the better deal. You have room to grow into it and still make the power you want, and more. Once you have the 550 you will want more, Its natural. lol. The stock bottom ends on the LS based engines can handle about 800HP or So before you have to start looking at forging.

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