Think you're getting a screaming deal on that Walbro fuel pump you've always wanted? It's probably a China knock-off:
http://www.fuel-pumps.net/walbro-forgeries.html
Do you want a knock-off pump that hasn't been through the level of R+D and testing that a genuine Walbro has?
Another...
agreed. 12.5:1 on pump gas on our old tech engine is a FAR stretch....you'll need to do some serious combustion chamber work. besides, race gas smells good! ;)
allan, you're still around!/!?!? awesome. i can't wait to see that thing run. i'd probably make the drive down just to see it....
all the things you mention are added features....as already mentioned, in the realm of fuel economy something that could 10% is worth the $100 it would cost the OEM....especially in light of the recent CAFE changes.
as for the neato moving pictures, one simply moves faster than the...
remember there is no free lunch. if they truly had a breakthrough in plug technology and it increased mileage/hp/tq, wouldn't ALL the OEMs be all over it? don't waste your $$...
from engine tq (hp)? never. no one has ever found the tq limit of stock rods or bolts. based on what milbrum has seen, the crank does go a bit funny around 1.2krwhp...
mains? never.
the stock rod bolts will go fairly soon if you spin it much past 7k.
yup, they are opening against the flow that you're trying to bypass. from my exp running the bosch valve that way never responded as it should and "hooted" as well....
you may want to jump to 4.8+ anyway. many of the parameters have labels....
nice wheels.
what you need to do is settle on a goal, then choose how to get there.
no mention of a WB in your list....and that's something you NEED if you're not going to get the car tuned @ a shop.
sure the stock AFM + SAFC can do it, but whether or not it's the best option for your needs...
why cringe? the VE tuning is a great way to build a "correction table" for your specific engine.
use the tuning parameters to get your car to run well....then use the spreadsheet to apply those corrections to a VE table....
tune w/fuel press first, then fine tune w/AFM corrections.
in your case, turn your AFPR down as far as it will go...
nope, no one has quantified that yet.
timing vs. mass flow is inverse- MORE mass flow = LESS timing. so leaning it out (LESS mass flow) = MORE timing.
pressure? the...
sure, mainscale SHOULD be -77%....but this is reality. AFM corrections of this magnitude are not reasonable (for a variety of reasons- fuel, timing, etc.).
the real question is WHY are you running 780s? if you need that much fuel, you should not be attempting it with a piggyback (just MNSHO)...
you'll need to specify what SW you're looking for- tunerpro? firmware?
tunerpro:
http://tunerpro.markmansur.com/downloadApp.htm
firmware:
http://www.fullthrottletech.com/showthread.php?t=2129
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