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| 89.SVO |
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Age: 34 Posts: 3379 Joined: 11th Mar 2008 Ride: EA SVO, AU2, Toyota Crown Location: Bendigo |
question. what is the compression ratio of a standard AU motor and what the highest boost i could run intercooled without decompressing it?
_________________ Daily driver: 2010 Toyota Crown hybrid 3.5L V6 hybrid. 254kw. |
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| TROYMAN |
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WILDEB wrote: question. what is the compression ratio of a standard AU motor and what the highest boost i could run intercooled without decompressing it? au compression is 9.6:1.. im running 10 psi at the moment.. ive heard of std au engines taking up to 15 psi with a good tune...but who knows how long they are lasting?? |
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| 89.SVO |
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Age: 34 Posts: 3379 Joined: 11th Mar 2008 Ride: EA SVO, AU2, Toyota Crown Location: Bendigo |
TROYMAN wrote: WILDEB wrote: question. what is the compression ratio of a standard AU motor and what the highest boost i could run intercooled without decompressing it? au compression is 9.6:1.. im running 10 psi at the moment.. ive heard of std au engines taking up to 15 psi with a good tune...but who knows how long they are lasting?? thats a high compression. what do i need around it to make sure it doesn't lean out etc. what fuel pump what reg what exhaust also what turbo? i picked up a exhaust housing with a A/R of 1.06 is this suitable?
_________________ Daily driver: 2010 Toyota Crown hybrid 3.5L V6 hybrid. 254kw. |
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| Dansedgli |
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17psi doesnt ping on stock compression.
Dunno how long the rods will be happy to stay inside the block though. |
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| 89.SVO |
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Age: 34 Posts: 3379 Joined: 11th Mar 2008 Ride: EA SVO, AU2, Toyota Crown Location: Bendigo |
heres my bro saying i'd be lucky to get 8psi out of it.
Dansedgli what injectors, pump, reg are you running
_________________ Daily driver: 2010 Toyota Crown hybrid 3.5L V6 hybrid. 254kw. |
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| Dansedgli |
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42lb injectors, Bosch 023 fuel pump and XR6T fuel reg.
Tuned with a J3 chip. |
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| 89.SVO |
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Age: 34 Posts: 3379 Joined: 11th Mar 2008 Ride: EA SVO, AU2, Toyota Crown Location: Bendigo |
sick as. i was even tossing up getting a snort performance kit
_________________ Daily driver: 2010 Toyota Crown hybrid 3.5L V6 hybrid. 254kw. |
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| TROYMAN |
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im running a walbro 255 pump.
65lb injectors with a au vct fuel reg. tuning with an ems ecu.. far out dan 17psi... 
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| huggiebear |
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how many psi is the XR6T fuel regs?
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| 89.SVO |
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Age: 34 Posts: 3379 Joined: 11th Mar 2008 Ride: EA SVO, AU2, Toyota Crown Location: Bendigo |
my bro reckons a Malpassi rising rate fuel pressure reg. they any good?
_________________ Daily driver: 2010 Toyota Crown hybrid 3.5L V6 hybrid. 254kw. |
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| huggiebear |
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i got a malpassi 2nd hand but was told i should have gotten a sard unit
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| 89.SVO |
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Age: 34 Posts: 3379 Joined: 11th Mar 2008 Ride: EA SVO, AU2, Toyota Crown Location: Bendigo |
huggiebear wrote: i got a malpassi 2nd hand but was told i should have gotten a sard unit rising rate? how do they work? do they have a vacuum line that measures boost or something?
_________________ Daily driver: 2010 Toyota Crown hybrid 3.5L V6 hybrid. 254kw. |
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| huggiebear |
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same as normal. dependig on the one you buy, someare 1:1, 1:2 12:1
basically the way it works is for every 1psi of boost it see's it raises the fuel pressure 1psi.. or 1psi:2psi fuel pressure etc.. they say to stay away from 12:1 as its overkill but im just going off what i have been informed. |
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| 89.SVO |
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Age: 34 Posts: 3379 Joined: 11th Mar 2008 Ride: EA SVO, AU2, Toyota Crown Location: Bendigo |
so to run about 10psi what will i need? and what injectors
_________________ Daily driver: 2010 Toyota Crown hybrid 3.5L V6 hybrid. 254kw. |
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| huggiebear |
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either a 1:1 or 1:2 ration will do the job. injectors im not 100% sure on minimums. dan is running 42lb on 17psi. but F6 typhoons run the same injectors as a BA N/A (all models) but run the higher fuel pressure
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