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HELP? WHY IS THE #5 & #7 CYLNDERS A PROBLEM?

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Old 05-10-2007, 10:06 AM
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Default HELP? WHY IS THE #5 & #7 CYLNDERS A PROBLEM?

I Was Told That They Blow Up Without Even Running Boost Or Nitrous. Is This True And If So How Is It Possible That So Many People Are Running Boost And Nitrous For So Many Miles Without Hurting It? Is There A Certain Year That This Problem Is More Likely To Happen Too ? Thanks For Any And All Info.
Old 05-10-2007, 10:51 AM
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Because they are the rear of the fuel rail for starters so they tend to get a bit less fuel, it also has to do with air travel within the manifold itself it tends to favor the rear two cylinders.

Thats why so many FI guys go to single planes they have much a much better distribution pattern.
Old 05-10-2007, 08:03 PM
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Is All Years Having The Problem And How Is It That So Many Can Last As Long As The Do On Nitrous/boost?
Old 05-11-2007, 07:57 AM
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I think the injectors on those cylinders are the one that are most likley to get clogged from trash/build up in the fuel also.
Old 05-11-2007, 09:51 AM
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Originally Posted by 97C5VETTE
Is All Years Having The Problem And How Is It That So Many Can Last As Long As The Do On Nitrous/boost?
> Putting the highest flowing injectors in those positions
>making sure your injectors are always working top notch
>never run injectors past 80% cycle
>always clean your fuel system (plain maintenance)
> most important, always tuned fat
Old 05-11-2007, 11:27 AM
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WOULD IT HELP TO TURN UP THE FUEL PRESSURE A BIT TO HELP FEED THE REAR CYLNDERS WITH MORE FUEL?
Old 05-11-2007, 01:17 PM
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why wouldnt it b the #7 and #8 then, why is it that its the drivers side bank?
i always thought the #7 and #8 were the problem




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