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| jake8090 |
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Will running a vortech supercharger on 9psi on a untuned motor or wrongly tuned motor cause excessive blow by like blowing the dip stick out or can it wear the rings so much to cause this proberlem. ??
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| TROYMAN |
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yes, it will.. if the ecu don't cut on boost it will lean out, ping, burn pistons ect..
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| GeZza200 |
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Was this on the EF falcon or the AU falcon? The AU should boost cut as soon as it reads 1-2psi. The EF will more than likely lean out.
_________________ EL Futura: CVE head, Wolf V500, ICE Ignition and Coil, 36lb injectors, Walbro 255lb, Paci comps, 3" exhaust, T5, Harrop Truetrac with 3.9s. Now with 198.9rwkw, (~185rwkw and 13.80 @99.1mph) with more power to come |
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| jake8090 |
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It's au4.0 in a ef falcon if it is tuned right can i run 9psi with a intercooler on a standard low k bottom end with out having a a lot of blow by
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| TROYMAN |
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if its tuned right it will be fine...
I had au engine in my ed with a turbo running 12-15 psi for near 4 years with no problems , it was only when I went up to 18psi before blow buy stated to be an issue. |
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| galapogos01 |
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Posts: 1139 Joined: 27th Feb 2005 Ride: Supercharged EF Fairmont Location: T.I. Performance HQ |
If you've already run the car untuned, the damage will already be done. You can't put the magic smoke back into the pistons!
_________________ {DESCRIPTION} - {DESCRIPTION}, {DESCRIPTION}, {DESCRIPTION}, {DESCRIPTION} and more! |
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| jake8090 |
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Ok cheers
 what bottom end would u recommend for 9psi au or ef ?? I have a standard ef motor in the shed don't really wanna go buy another au bottom end if I don't have to . I have been told au bottom end are balanced a lot better than ef bottoms ends
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| bry40l |
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{USERNAME} wrote: Ok cheers what bottom end would u recommend for 9psi au or ef ?? I have a standard ef motor in the shed don't really wanna go buy another au bottom end if I don't have to . I have been told au bottom end are balanced a lot better than ef bottoms endsthe au runs higher compression than the ef motor, but they are screwed together a little better than the e series motors, for the amount of boost you wanna run either motor would be ok provided they arent already worn out
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| GeZza200 |
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AU should be smoother revving. The rods will bend easier than the EF rods will though, but with 9psi you will be fine.
_________________ EL Futura: CVE head, Wolf V500, ICE Ignition and Coil, 36lb injectors, Walbro 255lb, Paci comps, 3" exhaust, T5, Harrop Truetrac with 3.9s. Now with 198.9rwkw, (~185rwkw and 13.80 @99.1mph) with more power to come |
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| jake8090 |
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Thanks for the help guys
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