Page 3 of 18 FirstFirst 1 2 3 4 5 6 7 8 9 10 11 12 13 ... LastLast
Results 21 to 30 of 174

Thread: Building a 7age.

  1. #21
    Veteran
    Join Date
    Nov 2008
    Name
    Seamus
    State
    QLD
    Location
    Milton
    Country
    Australia
    Posts
    1,860

    Default


    TO REMOVE ADS, PLEASE
    REGISTER OR SIGN IN
    Yeah that compression would be fine. I seem to remember Robo's is up around that number, he just had to run 7 degrees of base timing instead of 10 .. unless you plan on cams.. which would be awesome.
    4AGE & 7AGE Forged Connecting Rods - Lightweight Flywheels - And Much More



    ^ Clicky clicky!

  • #22
    性交を愛する marvis's Avatar
    Join Date
    Dec 2008
    Name
    marvis
    State
    QLD
    Location
    Lower Brisbane
    Country
    Australia
    Posts
    7,815

    Default

    Quote Originally Posted by n2866 View Post
    Why such high compression? There's no need unless running big cams to utilize the comp. Stock ecu should run a fairly stock 7age not one with some work but.
    Cams later.

    Quote Originally Posted by n2866 View Post
    With the 7age you really wanna beef up the bottom end because of the extra stroke they dont wanna rev out as far as the 4age. For an alright budget spool rods are good for 500 bucks can't complain and they shod hold up easy at say like 8100rpm all day. Can't remember how much mat paid for the pistons but it was Probs about 700 you can go cheap pistons but like I said you'd want to build up the bottom end strong. And again with the choice of cr depends on the ecu you want and what the is used for like track or daily.

    If staying stock ecu you wouldnt want to put too big cams because your also asking the ecu to compensate for the extra 200cc your putting through the motor.

    Depends on budget.
    Motec would be smick. But something like a haltec would be good.
    Want stock ecu. And like 27x cams

    Oversize Toyota pistons fine?

    Quote Originally Posted by pen15 View Post
    i run an adaptronic e420c but if you want to build a 7a do a robo and build it pretty much stock with better rods of course

    pm me marvis i may have something good for you soon

    the issue you will have with cams is that its not the stock rev range that is affected but the limiter on a stock management the ecu will throw as much fuel as it can into the motor on the limiter fouling the plugs this is what happened to me when i ran stock ecu with my current cams a long time ago driving was fine but when it hit the limiter the plugs got fouled instantly



    you are incorrect about the spool rods not being able to handle the rpm as they can, what would give up first its the crank and vibration combined with a ross harmonic balancer you can easily see 9000rpm with spool rods the vibration in the 7a is what makes the engine weak the rods are fine for strength they are balanced very well even better than stock blacktop rods from factory
    the spool rods are also shot peened making them less likely to cracking the only thing that would let go is the rod bolts and arp2000 are quiet strong if i want to rev mine more ill get stronger rod bolts we all now a blacktop can rev to 9000 stock and if you want a comparison from blacktop rods to spool 7a there is no comparison the spool rods are far stronger and better balanced i know i have balanced blacktop rods and weighed up spool (spool didnt need balancing)

    in the end it comes down to engine balanced you crank, pistons and rods all need to be perfect if not then you wont be able to rev it out
    Worth balancing crank and running lighter harmonic balancer? Like about would like to go 27x cams later. stock ecu..
    Quote Originally Posted by trikzlane View Post
    I love streeting, Lowdown cars and watching the world unwind by every word Marv types.
    Quote Originally Posted by keiichi View Post
    dont you get raped by the police everywhere you go?

  • #23
    Bad Email Address
    Join Date
    Dec 2010
    Name
    Cal
    State
    NSW
    Location
    Sydney
    Country
    Australia
    Posts
    960

    Default

    im not 100% but im pretty sure youd just foul plugs and it would run like balls.

  • #24
    Veteran pen15's Avatar
    Join Date
    Dec 2008
    Name
    Mathew
    State
    NSW
    Location
    Sutho Shire
    Country
    Australia
    Posts
    1,859

    Default

    only if the limiter gets sat on alot as in drifting but as for racing i think it would be fine and as for the compression i think the more comp the better allows for upgrading the head later and the more comp you have the more efficient the engine will run there is power to be made just in upping the comp lok at smallport compared to bigport 86kw at fly to 100kw at fly cams are the same duration only major difference is the comp, intake ports and ecu
    the dyno pull to 300rwkw

    BT20v is making 300rwkw like i said i would without nitrous so now its time for some spray and see if she will run a 10s or less

  • #25
    Veteran Robo86's Avatar
    Join Date
    Dec 2008
    Name
    Rob
    State
    QLD
    Location
    Brisbane
    Country
    Australia
    Posts
    2,757

    Default

    you wont sit on the limiter with a 7a, at least a basic one (stock ecu/cams). there isnt much up top! goes hard through the mid-top though

    http://shirtstuckedin.com/
    my corolla
    Bosman Wholesale Tyres
    3274 5374 - Roy

  • #26
    性交を愛する marvis's Avatar
    Join Date
    Dec 2008
    Name
    marvis
    State
    QLD
    Location
    Lower Brisbane
    Country
    Australia
    Posts
    7,815

    Default

    Cam's would give it more power up top, so I would be up there more I think.

    People post up their setups!
    Quote Originally Posted by trikzlane View Post
    I love streeting, Lowdown cars and watching the world unwind by every word Marv types.
    Quote Originally Posted by keiichi View Post
    dont you get raped by the police everywhere you go?

  • #27
    Veteran
    Join Date
    Dec 2008
    Name
    John
    State
    TAS
    Location
    Hobart
    Country
    Australia
    Posts
    2,200

    Default

    block - 7afe
    crank - 7age nitrated
    crank timing gear/sprocket - bazda modified 16v/ae101 20v
    harmonic balancer - ross tuffbond race series (yet to be made, eta july)
    flywheel - toda 4.4kg
    bearings - acl race series
    conrods - belfab racing 7afe
    pistons - custom wiseco (unknown specs, special order by engine builder)
    oil pump - ae101 20v + ae101 20v tensioner
    sump - ae101 sump/ae101 windage tray/tecarts spacer plate + accusump
    oil cooler - greddy thermostatic
    headgasket - stock thickness cometic
    head - ae111 20v (smoothed ports)
    valves - supertech 1mm oversized
    vale springs - supertech heavy duty + ti retainers
    cams - kelford 288/10mm
    cam gears - toda
    timing belt - toda 16v
    intake - ae111 itbs/30mm sptech stacks/nobybooth airbox
    extractors - powercraft 4-1 n2
    cooling system - rschita conversion with genuine 16v waterpump
    radiator - koyo
    ecu - haltech ps1000
    miscellaneous - ARP head/mains/flywheel bolts

    final CR - estimated somewhere between 11.5:1 and 12:1 from memory....been awhile since we worked it out....
    power/torque - unknown

    first attempt starting - ETA 12-18 months lol

    abit of a puzzle/collection of bits and pieces...i honestly dont know what to expect from it...could be 100kw could be 120-130rwkw...quite excited to see how seamus goes with his motor...
    Last edited by Delazy; 3rd February 2011 at 10:06 PM.

  • #28
    Veteran pen15's Avatar
    Join Date
    Dec 2008
    Name
    Mathew
    State
    NSW
    Location
    Sutho Shire
    Country
    Australia
    Posts
    1,859

    Default

    7a block .5mm oversize
    7a crank stock size
    spool con rods
    wiseco pistons comp ratio is 12.37-1
    7a stock brand new Toyota genuine oil pump
    7a sump
    4age 16v stock head gasket Toyota genuine
    4age 16v bigport head ported to the shit
    264 hks cam shafts at 8.1mm lift on intake and 8.35mm lift on exhaust
    toda single valve springs
    fidanza adjustable cam gears
    Porsche timing belt
    t3 quad throttlebody adapters
    ae101 silvertop individual throttle body's
    stock 2nd hand head bolts
    stock 2nd hand main cap bolts
    arp 2000 rod bolts (comes stock with spool)
    and just Toyota genuine seal throughout

    that's my setup there is nothing to over the top for the moment but my new head will flow a few more horses with all the wright mods a 7a will make power up high im thinking of also building a 7a 1zz crank for a nice 2L setup
    the dyno pull to 300rwkw

    BT20v is making 300rwkw like i said i would without nitrous so now its time for some spray and see if she will run a 10s or less

  • #29
    性交を愛する marvis's Avatar
    Join Date
    Dec 2008
    Name
    marvis
    State
    QLD
    Location
    Lower Brisbane
    Country
    Australia
    Posts
    7,815

    Default

    ^ what sorta power is that?
    Quote Originally Posted by trikzlane View Post
    I love streeting, Lowdown cars and watching the world unwind by every word Marv types.
    Quote Originally Posted by keiichi View Post
    dont you get raped by the police everywhere you go?

  • #30
    Veteran Robo86's Avatar
    Join Date
    Dec 2008
    Name
    Rob
    State
    QLD
    Location
    Brisbane
    Country
    Australia
    Posts
    2,757

    Default


    TO REMOVE ADS, PLEASE
    REGISTER OR SIGN IN
    everyone knows mine but meh


    Final engine spec.
    7AGE

    -7AFE Bottom end - Honed, 0.5mm Oversize bores.
    -Standard crank (midsized)
    -Kings Main bearings
    -Standard Conrods (Resized + new bolts)
    -ACL Con-rod bearings
    -Hypatech Smallport 4AGE Pistons 0.5mm Oversized. (new)
    -Hastings Piston Rings
    -New standard thickness 4AGE toyota head gasket
    -Standard Bigport 4AGE Head, with some mild porting.
    -New Headbolts
    -4AC Flywheel
    -Apexi Intake
    -TRD copy extractors + 2.25 exhaust.
    -Compression ratio: 11.4:1

    105hp or something, chops my old BP

    http://shirtstuckedin.com/
    my corolla
    Bosman Wholesale Tyres
    3274 5374 - Roy

  • Page 3 of 18 FirstFirst 1 2 3 4 5 6 7 8 9 10 11 12 13 ... LastLast

    Similar Threads

    1. Replies: 22
      Last Post: 5th March 2012, 10:33 AM
    2. building need parts..
      By josh.. in forum Cars or Parts Wanted
      Replies: 3
      Last Post: 31st March 2011, 09:55 PM
    3. Building a cage
      By driftke70 in forum Technical - Questions
      Replies: 4
      Last Post: 27th January 2007, 04:16 PM
    4. Building 4age
      By works510 in forum Technical - Questions
      Replies: 33
      Last Post: 6th March 2006, 05:14 PM

    Posting Permissions

    • You may not post new threads
    • You may not post replies
    • You may not post attachments
    • You may not edit your posts
    •