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slydog

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slydog last won the day on November 20 2018

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About slydog

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  1. 650 Will be fine. Cyl head will limit hp potential not cam or carb. I understand the budget build and you can mod the head later to suit. Cam I would suggest you research US boosted engine combos and what is currently used. Been as your cube limited a modern cam idea works better here. Mine is pretty well what most call a NA profile but my grinder does the same on RB engines making over a G of hp.
  2. Id suggest blow thru over any factory ecu. Or a aftermarket ecu like a MS3 or even a FAST set up with a screen.
  3. slydog

    XR-XF Falcon Coil Over Conversion kit

    McDonald bros sell a double adjustable bolt in coil over for under $1000. Well only just barely under and few years back but after doing a couple DC events and many street miles can reccomend them as a option. Takes longer to remove the old shit than it does to install the new stuff. And setting em up is different to what most think. But each car is wanting its own set up as per driver style wants needs and use.
  4. slydog

    250 xflow crank bolt thread size

    They are a interference fit so bolt is mainly used to install not hold it on.
  5. slydog

    300 USA 6CYL

    3.9" or 4.0" ( " = inches ) not a ohc piston.
  6. slydog

    300 USA 6CYL

    You have to over bore and sleeve to suit then grout the block up to the welsh plugs at least. But again still limited by head gasket to around 3.82 from memory unless you go custom copper maybe. Moving the bore away from the valve is good move for power and cyl head flow aswell so a move to a 3.9 or 4.0 slug would be awesome in a xflow. Possible??? Well just asking the question makes it doable imo. No better way to dis prove peoples doubts than doing it.
  7. slydog

    300 USA 6CYL

    Theres more NAT ASP hp potential from the 300cuber but the cost is epic. That said Wazzy made as good as 500hp with his xflow thanks to JB race engines but that would of been at a epic cost too. Issue here is people want and think of a 6cyl as a cheapo thing and expect good hp from em just as cheaply. Speed/power/money rules still apply though. I rate the idea of one though
  8. slydog

    300 USA 6CYL

    There longer ALOT heavier and taller than a xflow with less hp. But people have been putting clevo and LS heads on em for a while. Then you get a custom cam,lifters,pushrods rocker cover,ignition exhaust and cooling. Yes I looked at it as a option but it was going to cost more than my xflow. One upside is the steel crank. Like said above a xflow is only lacking bore size not cubes and forced induction sorts that.
  9. slydog

    Crossy build- am I on the right track

    I use a billit Mezire flex plate on my xflow too.
  10. Absolutly Fingers. Can't tell you how many cars using more boost than the ute that are slower. Shows 2 things,wrong turbo choice and or engine combo needs work. You dont just put "a turbo" on a stock engine and expect it to work or get the most out of it.The main reason Barras and LS engines respond to turbos is the cyl heads flow so well and there engine control/efi works well. Mark @ JPC helped in the design of my boosted cyl head which is part of the reason it went 1.50 in the 60ft untuned with belt slip in a real 1500kg with driver street driven car. Its quite literally hp been left on the table by people using xflows,sohc,holdens and ford v8's and for the hope of saving money or been uneducated. Spend $1000 on porting and seats and valve shaping and gain a potential 100plus hp over non ported. MTOD show the difference between a stock ls turbo and a built ls turbo and the outcome was even better with a extra 300plus hp. Who doesnt want that???
  11. Ill take the 800hp motor
  12. Turbos are odd things and Im not on board my self but Dans LS Centura with Chinee turbo but sized right has ZERO lag. Like powerskids from idle to max rpm in top long as you can from a standing start like your doing a brake skid. Get the exhuast on the smaller side and it will still make the hp and make it such a better deal...IMO based on stuff that actually works on real cars not internet talk.
  13. Compression won't kill a engine,tune will. Barras and 2js run over 10 comp. Need to talk to people who build other engines not just xflows to go forward. Or be stuck with a VHS player if you get my drift. Aus fastest RBs run more comp than you think too. My xflow runs 11.2 comp and has seen 10psi @ 7500rpm with a big cam and big cyl head. On a small or stock headed combo with a small cam it would show ALOT more boost but wouldn't make the same hp.Boost is only a measurement of inlet restriction after all. So a bigger head with less restriction means it shows less boost but makes more hp and you use more comp which means little to no lag time if turbo is sized right.
  14. slydog

    Boingk's 1/4 Mile Crossflow Build

    Or you buy xflow guide plates.
  15. slydog

    The front yard special

    No one needs a turbo. But its ok to want boost.
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