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Originally Posted by piecesparts
I guess I would have to ask (Which setup are you looking at that is just a couple of hundred more than the base for the TPI vortec heads (which is around $429.00)? Just about everything I have seen with the word Holley on it starts in the word formation of thousand, rather than hundred. I already have a complete L-98 motor with the TPI unit that has been refurbished to install into a streetrod. However, I am going to change the power curve by going to vortec heads and update the intake and TPI runners, as well as install different rocker arms to update the air flow.
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Holley part number 7542: Vortec Stealth Ram manifold, around $340.
Holley Part number 534-193: Fuel rail kit with adjustable fuel pressure regulator, around $225.
You'll also need a couple fuel fittings and some fuel line to finish off the job. If you go to
www.stealthram.com, you'll find a piece-by-piece list of all the parts necessary to replace a stock TPI setup.
You'll lose some low rpm torque with the stealth ram, but at higher rpm you'll get huge horsepower gains, especially if you choose a cam to compliment the HSR.