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Fuel system for zz502

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Old Mar 3, 2010 | 10:59 AM
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Default Fuel system for zz502

I need an electric fuel pump/lines for a stock zz502. I am looking for drivability (street) not strip performance. What size do I need and which model/brand is quiet and reliable.
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Old Mar 3, 2010 | 11:04 AM
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The new ZZ502's come with the boss for a mechanical fuel pump. Do you already have the motor or are you about to buy it? You may be better off waiting.

From the GMPP catalog:

Clutch linkage bosses are now drilled and tapped. When using cast-iron exhaust manifolds, lower head bolts may need to be replaced with bolts with shorter heads, for clearance

502 engines now have a mechanical fuel pump boss!

Last edited by SteveG75; Mar 3, 2010 at 11:12 AM.
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Old Mar 3, 2010 | 11:21 AM
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Originally Posted by SteveG75
The new ZZ502's come with the boss for a mechanical fuel pump. Do you already have the motor or are you about to buy it? You may be better off waiting.

From the GMPP catalog:
it's about time for this...that's why i bought the 454 ho back in 2000..then it was the only one available with the pump boss....
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Old Mar 3, 2010 | 11:28 AM
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Default Fuel pump

I already have the motor
Originally Posted by SteveG75
The new ZZ502's come with the boss for a mechanical fuel pump. Do you already have the motor or are you about to buy it? You may be better off waiting.

From the GMPP catalog:
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Old Mar 3, 2010 | 11:31 AM
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I'm using a holley "blue" for my built 468

http://www.speedwaymotors.com/Holley...ign=GoogleBase
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