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i have the same trouble atm with my slightly worked 5.0tr (9.5:1 comp with stage 2 cam, twin 2 1/2 exhaust). it doesn't matter if i drive it hard or softly. i still get around 350km/ltr. i have a new O2 sensor and checked the base timing and the engine is serviced every 5,000km's, that includes...

no not really. like its great mid range and top end, well until the manifold spoils the fun, but for everyday around town. nope.

I'd stroke it. why: 1. easier and more 'legal' 2. cheaper once you factor in the cost for other hardware needed for a Gen3 or 4 HDT brought out a VT stroker that produced something around 225-230kw's and over 500nm's of torque. at the time it was more powerful then the std gen 3 i'm...

i had a pacemakers tri-y's and a single, cat and single 2.5inch system with a lukely straight through muffler. Sounded way better then my current set-up and gave me better low end power. my current set up is, the pace's, twin 2.5inch cats, twin 2.5inch straight through system with lukely...

i've got the stage 2 cam, its got loads more mid range power, but is slightly lacking down low in the rev range, below 1500 compaired to the std cam. i got my heads shaved 30thou and a thinner head gasket to bump up comp, also had the head reco'd with new heavy crow springs. still sorting out...

yeah i'll be happy with 160-170. A Greeny tune will see some good figures :thumbsup:. once i get some bugs sorted out we'll c how it goes.

yeah that sounds about what i thought. the cam is the #4502. its the one used in the stage 2 kit. intake 282 exhaust 276 i had a mate use the same cam in his motor and it pulled 178.5rwkws, but he had a little bit more comp, 9.5:1. i was thinking that with a raised compression the cam...

G'day guys, i'm currently getting my heads rebuilt and i'm wondering what kind of compression ratio i'll get with 20thou of the heads and a thinner head gasket (1.0mm instead of the 1.6mm std). i was thinking around 9.0:1. to 9.2:1 does anybody know the std cc capacity of the holden...

yeah i agree. but its not going to be good if ur got a std cam and massive intake and exhaust ports. ur going to rob the lower end of the power range. so polishing the ports and head has nothing to do with air swirl and fuel Atomisation????

wouldn't get the heads polished. not with a mild cam. If ur going to add a super charger then go for a larger port. the problem if that ur loss to much bottom end power and torque. plus u don't need to polish the heads for a street engine. Get the heads reco'd with K-line or bronze valve...

sorry i had trouble in loading the pictures.

ITEM: Brand new VT V8 injectors set of 8. CONDITION: Brand New. no longer required due to larger injectors being used. PRICE: $200 (Negotiable) ITEM: Genie Stainless Steel Oval 2 1/4 Inch Exhuast Tip CONDITION: used but in good condition PRICE: $20 (Negotiable) ITEM: SEATEC...

N.A mods if ur on a buget i'd do the following: get a full service. u'll be shock to find what new filters and cleaner fuel system does to response. then go a CIA and high flow air filter or go with an exhaust, extractors and a full system including twin cats. twins or single sytem is up...

Gearbox used was A upgraded tremec 5 speed and the wheels lit up in 4th gear with a 3:45:1 diff ratio.

the stage 3 kit also requires ur heads to be 'blueprinted' for maxium power and to ensure the kit works properly.. the stage 3 kit will lose more low down power to the stage 2 kit, so it may not be all that good for a daily driver. if u get a mild port and plane on ur heads the stage 2 kit...

from what i have heard they are a good kit but the chips can be a bit crappy. Also with the stage 2 and 3 kit, increse compression to around 9.5:1 and the cam package will love it. also a qiuck port will help matters if u have a good exhaust. i have a mate with a stage 2 kit and they sound...

Have a look in issue 56 of a mag called ZOOM (hi-tech and forced-Fed performance) they featured a Walkinshaw that had a 355 stroker with the STD Group A twin throttle bodies, Ported heads, 50lb injectots, 750hp pump, Haltech ECU....... etc AND A Garrett TA45 turbo with a 740x300x75mm...

fuel if you can get above 350km's around town there u are doing a good. job. sum people in around here are able to achieve well above 400 km's around town. i aim for 400 km's but i often get around 350-370. on the highway u should be 450-500. the best i got from 1 tank on the h'way was 520...

have a look in V8 section have a look at the following thread. Just Commodores > Holden Commodore Modification and Development > V8 Development and Modification> Performance Inlet Manifolds - HOLDEN V8 304

here are some more pics of duel's here a sum pics of the Group A manifold, a few custom manifolds and another maifold produced by a holden racing team.. Giocattolo Group B maifold???? also a pic of a single plan mainfold with the active hat and twin throttle bodies and another with a gas...

don't forget to oil them. i oil mine before and after use. also as i said use a water filter. and u get what u pay for.

Go for a good belt drive compressor. like a 12-20 cfm with an adj regulator and try to get a water filter system on it. not only will it help with keeping ur air tools in top condition, but it will also helps heaps if u won't to do some spray painting. also get some extra hose and wined it...

here are a few more pics FASTEST Un-Opened M6 LS1 well that was in mid yr of 2004. Done at Calder VX SS Sedan, M6 Un-Opened, Standard Clutch, Shifter & Diff Gears, with 17" Wheels & Road-Registrable Everyday Tyres... 12.582 @ 111.45mph. Also... VX Executive Sedan M6 Un-Opened LS1...

numbers in the vr 223 senators 277 gts 48 statesman (includes 185i) 3 caprices the vs series 1 532 (?) senators 82 statemens 12 caprices 85 Gts-r series 2 177 senators 154 gts 83+ granges all above are the HSV models only. also a stroked holden was done by HDT 1987...

thats right. not sure if they used the 350 or 355. (355 i believe) special order engine of 300kw's. for the old v8 there Gen 3's were up to 330kw's in the limited veloce or as special order. there was one for sale the other day. but it wasn't cheep! they did hold the record for the...

here are a few pics.

have a look at: http://cgi.ebay.com.au/HOLDEN-VT-VZ-GEN-3-5-7-V8-BLOCK-AND-HEADS_W0QQitemZ190042128278QQihZ009QQcategoryZ102358QQrdZ1QQcmdZViewItem it was going for $510.

wouldn't the Shelby GT500 engine be a better option. 5.4L DOHC 32V V8, 500hp (SAE net) @ 6000 and 480lb.-ft. @ 4500 lb.-ft. up the boost on the super charger, change exhaust and computer and there would be more fun to be had...

Also the VR/VS strokers had 8.5:1 comp but as u said subdue the VT's had 8.8:1 compression Ported heads didn't happen but the inlet manifold was modified for extra flow and the heads them self incorporated new exhaust valves and seats, dampers and springs. also a new timing chain and damper...

go for it From what I've been told and have read: a Carby set up will make just as much if not more power then a injector setup. the carbies are able to vapourise fuel better= more power. only down side of the carby set up is emmisions, tune ability, and reliability. if u won't a...

just go for an after market exhaust. i'm not sure but try a twin 2.25in system with twin cats (try for hiflows) & mufflers into an single 3in exhaust. this type of system should be better then std.

they must had a different engine to the VN SV5000 (359 built). because these had the red version of the black 304efi. they were 200kw & 410nm. knock sensor chip, CAI, larger air cleaner, tuned length extractors & free flow exhaust. internal mods are re-vised cam, new valve springs...

90% of the utes/cars u have seen don't have a foreign engine in them like a nissan. They are either supercharged or some are turbocharged. if i was u i wouldn't was my time and money on a conversion [unless it was a stroked 304 (350 or 383) or LS1/2]. u'd be better off to have the heads...

I agree with Greenfoam. this is the intake maifold i would choose. the only thing i dislike with the manifold is the use of a carby. or carby type setup. i'm currenty thinking of using this manifold and a system that will be able to use a throttle body set up like the std one. but it might...

has anybody here used the Walker system?? if so how did it go? for $1950 its price isn't to bad. WAlker...................... starr ............ COME.............Harrop double...............harrop V8 super car $18,500

cheers thanks for that vn6pwr.

G'day guys. I was just wonder about when u get a set of heads Shaved to increase compression. how do u get around the fact that the push rods will now be longer then u require, or does the amount of metal taken off the heads bear little impact on the push rods length between the lifter and...

All u need is some spring compressors, some spanners and a jack. (very basic tools) Best way to find out how is to buy a book on the VR/VS commodore. Or U life the car up, take the wheel off, Use the spring compressor to compress the spring, unbolt the top of the strut. then unbolt...

as i said i wasn't sure. but to get a 355 u need to bore it out to .030". cheers

355 for a 355ci its a 350 crank and the block is bored to .030" oversize. thats how u get a 355ci. no sure if the strokers where that. i'll get back to u. with chip, cam, intake and exhaust the 5.7 strokers will produce 300kw's. easy. also the 215i had more torque then most std Gen3's...