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Thread: engine mods for vx

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    Exclamation engine mods for vx

    ay fellas well i thought i would open a thread of what mods should i get for my vx v6,

    i have
    exstractors
    exhaust
    otrcai
    spitfire plugs and leads
    80mm throttle body
    80mm maf/afm
    1.9.1. roller rockers
    ECU UPGRADE TO HALTECH E6 + TUNE
    Rebuilt Shift Kit ( B & M),2500 stall,corvette servo piston.
    3.9 diff gears


    im hopping for maybe 10-15 more kw is there anything else i could do?
    charger/turbo out of the question because the laws in my state are illegal.
    was think twin throttle body? so if anyone can give me some ideas?

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    blake0182 is offline Blake
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    how much did it cost you to convert to the haltech ecu?, what was reason for that are you gonna go turbo/super soon as you off p's

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    Quote Originally Posted by blake0182 View Post
    how much did it cost you to convert to the haltech ecu?, what was reason for that are you gonna go turbo/super soon as you off p's
    im not on Ps mate i was gonna supercharge it had the charger but i couldnt get it regeny approved so no one would insure me. 1500 for the haltech with the tune so its no to bad

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    I've heard the twin throttle body is a waste of time, for the amount of $$'s for the gain it isnt worth it.

    mafless tune?

    Or what about just spening it on the car, i.e brakes?

    apart from a blower, i dont think theres much more you can do lol

    So the factory supercharged six is illegal in SA?



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    yeh not much else mate except a cam maybe or a stroker engine. TTB might make more power never tried it but its a hassle with tuning etc. Id say it would go pretty well now with the gears/stallie. if u could take a vid going 0-100 or somthing to show us how she goes.

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    blake0182 is offline Blake
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    sux to be on p's in sa lol im in wa we can have twin turboed 6l commodores onli think stopping thats the wallet lol , if i was in your shoes and had a haltech u mayswell try the twin throttle u have more chance of gettign sumfen out of it due to your tuning capabilities are much easier with that ecu

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    Quote Originally Posted by blake0182 View Post
    sux to be on p's in sa lol im in wa we can have twin turboed 6l commodores onli think stopping thats the wallet lol , if i was in your shoes and had a haltech u mayswell try the twin throttle u have more chance of gettign sumfen out of it due to your tuning capabilities are much easier with that ecu
    no it dosent suck to be on p's in S.A i drive a v8 calais on my p's....you can pretty much drive woteva...just that scotty wanted his approved and didnt want his insurance invalid....

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    Quote Originally Posted by johnvtls1 View Post
    yeh not much else mate except a cam maybe or a stroker engine. TTB might make more power never tried it but its a hassle with tuning etc. Id say it would go pretty well now with the gears/stallie. if u could take a vid going 0-100 or somthing to show us how she goes.
    well i was draging last night with the v8s ans a v6 supercharged i think i did well if the fellas from last night could comment on that coz we did a few drags, i would like to see what they think,

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    Quote Originally Posted by Banks View Post
    I've heard the twin throttle body is a waste of time, for the amount of $$'s for the gain it isnt worth it.

    mafless tune?

    Or what about just spening it on the car, i.e brakes?

    apart from a blower, i dont think theres much more you can do lol

    So the factory supercharged six is illegal in SA?
    factory is not thats on my cards at the moment just not for a least a yr so thats why i would like abit more kick before then coz im gonna transfere the stuff from my engine ova to the new engine when i get one.

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    Quote Originally Posted by f1_power View Post
    How much are you getting out of it already?
    thats a really touchy subject with a few fellas, so i will say 120rwkw m8

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    blake0182 is offline Blake
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    Quote Originally Posted by dijm8 View Post
    no it dosent suck to be on p's in S.A i drive a v8 calais on my p's....you can pretty much drive woteva...just that scotty wanted his approved and didnt want his insurance invalid....
    oh k i thought was sumfen new because we have had few new laws come in l8ely just nothink that strict , ps thats one hot calais lol

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    Quote Originally Posted by rvx 219 View Post
    thats a really touchy subject with a few fellas, so i will say 120rwkw m8

    lol ur almost ther scotty another 142rwkw and i will hav sum gd competition

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    manifold insulator i don't think will do much mate, your better off getting a lower temp thermostat and having your tune kick the fans in at lower temps.

    the plenum spacer may have merit in regards to volume and air speeds, you should get dyno figures before and after from independent tests for that to make your mind up if that's worth it.

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    Quote Originally Posted by Farlig View Post
    manifold insulator i don't think will do much mate, your better off getting a lower temp thermostat and having your tune kick the fans in at lower temps.

    the plenum spacer may have merit in regards to volume and air speeds, you should get dyno figures before and after from independent tests for that to make your mind up if that's worth it.
    yeah thanxs mate, will look in to that. if anything im after a better take off and faster acceleration!

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    manual your losing some power in that box and stally
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    Quote Originally Posted by rvx 219 View Post
    no more input fellas?
    mate to be honest uve probably reached the limit in wat u could call small mods. In my opinion u have 3 options. Stroke it, turbo/supercharer, or a V8 or maybe a cam and heads upgrade. Also uve got a shift kitted auto with a stallie and diff gears. thats gonna be quick then any manual out there.

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    Quote Originally Posted by johnvtls1 View Post
    mate to be honest uve probably reached the limit in wat u could call small mods. In my opinion u have 3 options. Stroke it, turbo/supercharer, or a V8 or maybe a cam and heads upgrade. Also uve got a shift kitted auto with a stallie and diff gears. thats gonna be quick then any manual out there.
    Agreed if your talking about a stock manual box and diff. M5 box with 3.9s and a strong clutch will hold its own against a shift kitted auto. My bog stock manual runs 15 flat any day of the week thats with the softest factory clutch and a full tank of gas. People underestimate what a manual box can do if used correctly.
    no longer a hoon by association - the commodore is gone

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    yeh but thats 15 on the gtech? dunno how acurate that is. Auto will still be quick down the quater mile. How can putting the clutch in, shifiting then letting it out be quicker then the computer just shifting for u?

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    Quote Originally Posted by johnvtls1 View Post
    yeh but thats 15 on the gtech? dunno how acurate that is. Auto will still be quick down the quater mile. How can putting the clutch in, shifiting then letting it out be quicker then the computer just shifting for u?
    Yeh 15's on a gtech. I get the odd reading of 14.3 and stuff but thats just an error it runs 15 - 15.3 all day. The shifts in a kitted auto will be quicker than clutching but its marginal. Still it does make a difference. The main advantage the manual has imo is the launch, if i take off like an auto with low revs i cant get anything better than a 15.8 but if i drop the clutch at 3000 - 3500 rpm i can wipe almost a second off. A stally will fix some of this but on a a v6 with street tyres its not going to be all that much. Then there is the fact a manual doesnt lose as much power through the box.

    Im not saying that autos r slow at all just saying that if driven correctly a manual box can have its advantages over the auto. Many manual drivers just put their foot to the floor change gears as hard as they can when it red lines but thats not going to get you your best time. I wont take my car to redline in a drag as anything over 5000 is just empty revs, but the auto will scream it to the rev limiter
    no longer a hoon by association - the commodore is gone

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    Quote Originally Posted by nicko View Post
    Yeh 15's on a gtech. I get the odd reading of 14.3 and stuff but thats just an error it runs 15 - 15.3 all day. The shifts in a kitted auto will be quicker than clutching but its marginal. Still it does make a difference. The main advantage the manual has imo is the launch, if i take off like an auto with low revs i cant get anything better than a 15.8 but if i drop the clutch at 3000 - 3500 rpm i can wipe almost a second off. A stally will fix some of this but on a a v6 with street tyres its not going to be all that much. Then there is the fact a manual doesnt lose as much power through the box.

    Im not saying that autos r slow at all just saying that if driven correctly a manual box can have its advantages over the auto. Many manual drivers just put their foot to the floor change gears as hard as they can when it red lines but thats not going to get you your best time. I wont take my car to redline in a drag as anything over 5000 is just empty revs, but the auto will scream it to the rev limiter
    well thats interesting m8 just reading what u both said, nick i would love to work something out where i can test my car with u? and the g-teck? i will be out friday if u are willing? im not saying just to be stupid and stuff but a 0-100 with the g-teck and ur car if ur cool with that?

    john u rekon i have reached my limit with mods, well your right thats why i put this up because i was hoping i over looked something but guess not. well was think bigger better exstractors? mine are 2 yrs old now can u get better wider ones? and maybe get my y pipe bigger? with a twin 2 inch? what ya rekon?

    nick,john thanxs for the input fellas

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    i prob wont be out friday scott iv got a massive weekend and need to see the mrs and sleep. Im more than happy to lend u the gtech for a night though or if you want to drive my car thats fine to.
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    Quote Originally Posted by nicko View Post
    i prob wont be out friday scott iv got a massive weekend and need to see the mrs and sleep. Im more than happy to lend u the gtech for a night though or if you want to drive my car thats fine to.
    well i cant really drive a manual lol,

    so when ya gonna come out? next cruise?

    how does the g-teck work?

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