V8 HSV with LSV 25.07.05 - final visit?
Discussion
V8HSV said:
I have done literally everything I can think of to make the car faster, better handling, quicker stopping and expect + 600 figures in terms of BHP & torque, looking for no more 'work-in-progress' comments & closure on the whole saga that has been going on for over a year, over £50k spent on mods to date and I now expect results in the engine department!
Sheesh thats a lot of cash, why didnt you buy a AMG E55 with 476 HP? A quick compressor mod would have it in the high 500's. Or a new 507bhp M5?
I know a lot of the Ultima boys buy engines from Amercian speed and i didnt think the costs were that high.
Bennno
I am only guessing here, but this type of expenditure tends to grow and I don't suppose many people spending a lot over a period of time necessarily set out to spend that amount.
Ultimately, a BMW M5 V10 would be the better car, as would several others for the same overall price. Someone I mentioned on another thread has a 575 bhp Porsche 996 turbo which has only cost him £65,000 to date.
Difficult to compare these sorts of cars, but I would also want something special for £70K so I can understand V8HSV's frustration if it is not running how he wants.
Ultimately, a BMW M5 V10 would be the better car, as would several others for the same overall price. Someone I mentioned on another thread has a 575 bhp Porsche 996 turbo which has only cost him £65,000 to date.
Difficult to compare these sorts of cars, but I would also want something special for £70K so I can understand V8HSV's frustration if it is not running how he wants.
I remember saying in the first year that I would not modify the HSV in any way, lot of car for £20k and very happy with it, shame I did not sticki with that comment.
Yes I know the expenditure is somewhat ludicrous for a 5-year-old car but then I happen to like it over well-known marques, personally I would not like to be seen in prestige marques, as it would not reflect my personality plus I doubt if I would be questioned daily by other drivers as to ‘what have you got there’, awesome car, ‘I just want one’ etc.
If it was just performance then the Aerial Atom comes to mind, had an SL55 out for a day, amazing car but would not want to be seen dead in it, gay icon and all that, I have 2 smarts for that tag.
Outside the initial purchase costs the first outlay of nearly £11k went into a Kenwood system, 3 DVD players, 3 x 7” colour touch screen monitors, 1000 watt amp, active middle & sub bass speakers, security systems etc. Then the brakes £7.5k, these were the initial mods in the first year, another year passed until I lost out to an AMG at Bruntingthorpe, then £20k passed to the engine and after another year more money to suspension & drive train, so a gradual loss of money rather than just blowing £50k which involved re-mortgaging, certainly would not have pawned the house for a Porsche, AMG or BMW, the M5 was not available in its current form back then and the HSV has always been an M5 beater till now, I think mine when finished would give the new M5 a run for it’s money but it would loose out on refinement & top speed for sure.
Its all down to individual taste at the end of the day, the HSV used to be relatively unique with only 30- examples exported to blighty, nowadays it has lost out to Monaro imports but then it’s nice to have 4 doors and a good boot and the same platform as raced in Australia.
The HSV GTS is still a great car and still turns heads and my long term ambition is to draw my pension from the local post office in it.
Yes I know the expenditure is somewhat ludicrous for a 5-year-old car but then I happen to like it over well-known marques, personally I would not like to be seen in prestige marques, as it would not reflect my personality plus I doubt if I would be questioned daily by other drivers as to ‘what have you got there’, awesome car, ‘I just want one’ etc.
If it was just performance then the Aerial Atom comes to mind, had an SL55 out for a day, amazing car but would not want to be seen dead in it, gay icon and all that, I have 2 smarts for that tag.
Outside the initial purchase costs the first outlay of nearly £11k went into a Kenwood system, 3 DVD players, 3 x 7” colour touch screen monitors, 1000 watt amp, active middle & sub bass speakers, security systems etc. Then the brakes £7.5k, these were the initial mods in the first year, another year passed until I lost out to an AMG at Bruntingthorpe, then £20k passed to the engine and after another year more money to suspension & drive train, so a gradual loss of money rather than just blowing £50k which involved re-mortgaging, certainly would not have pawned the house for a Porsche, AMG or BMW, the M5 was not available in its current form back then and the HSV has always been an M5 beater till now, I think mine when finished would give the new M5 a run for it’s money but it would loose out on refinement & top speed for sure.
Its all down to individual taste at the end of the day, the HSV used to be relatively unique with only 30- examples exported to blighty, nowadays it has lost out to Monaro imports but then it’s nice to have 4 doors and a good boot and the same platform as raced in Australia.
The HSV GTS is still a great car and still turns heads and my long term ambition is to draw my pension from the local post office in it.
[quote]I remember saying in the first year that I would not modify the HSV in any way, lot of car for £20k and very happy with it, shame I did not sticki with that comment.
Yes I know the expenditure is somewhat ludicrous for a 5-year-old car but then I happen to like it over well-known marques, personally I would not like to be seen in prestige marques, as it would not reflect my personality plus I doubt if I would be questioned daily by other drivers as to ‘what have you got there’, awesome car, ‘I just want one’ etc.
If it was just performance then the Aerial Atom comes to mind, had an SL55 out for a day, amazing car but would not want to be seen dead in it, gay icon and all that, I have 2 smarts for that tag.
Outside the initial purchase costs the first outlay of nearly £11k went into a Kenwood system, 3 DVD players, 3 x 7” colour touch screen monitors, 1000 watt amp, active middle & sub bass speakers, security systems etc. Then the brakes £7.5k, these were the initial mods in the first year, another year passed until I lost out to an AMG at Bruntingthorpe, then £20k passed to the engine and after another year more money to suspension & drive train, so a gradual loss of money rather than just blowing £50k which involved re-mortgaging, certainly would not have pawned the house for a Porsche, AMG or BMW, the M5 was not available in its current form back then and the HSV has always been an M5 beater till now, I think mine when finished would give the new M5 a run for it’s money but it would loose out on refinement & top speed for sure.
Its all down to individual taste at the end of the day, the HSV used to be relatively unique with only 30- examples exported to blighty, nowadays it has lost out to Monaro imports but then it’s nice to have 4 doors and a good boot and the same platform as raced in Australia.
The HSV GTS is still a great car and still turns heads and my long term ambition is to draw my pension from the local post office in it.
[/quote]
Hi will
I said i would not mod the monaro but as you now. Sum things need to have mods and it just goes on and on.
But good luck with lsv. ee you soon.
TILER
>> Edited by tiler on Monday 18th July 19:29
Yes I know the expenditure is somewhat ludicrous for a 5-year-old car but then I happen to like it over well-known marques, personally I would not like to be seen in prestige marques, as it would not reflect my personality plus I doubt if I would be questioned daily by other drivers as to ‘what have you got there’, awesome car, ‘I just want one’ etc.
If it was just performance then the Aerial Atom comes to mind, had an SL55 out for a day, amazing car but would not want to be seen dead in it, gay icon and all that, I have 2 smarts for that tag.
Outside the initial purchase costs the first outlay of nearly £11k went into a Kenwood system, 3 DVD players, 3 x 7” colour touch screen monitors, 1000 watt amp, active middle & sub bass speakers, security systems etc. Then the brakes £7.5k, these were the initial mods in the first year, another year passed until I lost out to an AMG at Bruntingthorpe, then £20k passed to the engine and after another year more money to suspension & drive train, so a gradual loss of money rather than just blowing £50k which involved re-mortgaging, certainly would not have pawned the house for a Porsche, AMG or BMW, the M5 was not available in its current form back then and the HSV has always been an M5 beater till now, I think mine when finished would give the new M5 a run for it’s money but it would loose out on refinement & top speed for sure.
Its all down to individual taste at the end of the day, the HSV used to be relatively unique with only 30- examples exported to blighty, nowadays it has lost out to Monaro imports but then it’s nice to have 4 doors and a good boot and the same platform as raced in Australia.
The HSV GTS is still a great car and still turns heads and my long term ambition is to draw my pension from the local post office in it.
[/quote]
Hi will
I said i would not mod the monaro but as you now. Sum things need to have mods and it just goes on and on.
But good luck with lsv. ee you soon.
TILER
>> Edited by tiler on Monday 18th July 19:29
Thanks for the interest
Continued delay due to a static mechanical component at fault, engine tuning continued today, resulting in better AFR’s but minimal increase over best figures achieved to date (ukhsv to thank there) and max power higher up rev band but below 5.8k, hotter cam being fitted soon, Marks off on his hols weds but John no doubt will have it sorted by the w/e. Worth noting that the MAF sensor has now been installed along with the knock sensors so that will curb max power rather than no MAF & turn it up to ‘eleven’. Remember I am not technical and know very little but I am experiencing what is involved with obtaining relative high horse power and all I can say is not that straight forward no matter what people say.
I can say they are doing everything they can do to the best of their abilities and Tim has sanctioned the cam exchange, so I think I can be patient for just a little longer.
My experiences from all sources seen and discussed and my own would indicate that there are limitations as to what power can be achieved with a 5.7 LS1, by adding all the quoted outputs for each component you cannot assume that it will add up, more than likely that 450 bhp aspirated and 550 bhp via a blower are roughly it’s limits without major engine internal changes, cams help but not necessarily when you add a blower. Of course there will be examples to disprove my statements but I reckon I’m not far off. Just an opinionated viewpoint from an HSV fan that wished his car was in Oz.
Hope to be a happy chappy next week, well I can dream can’t I
Continued delay due to a static mechanical component at fault, engine tuning continued today, resulting in better AFR’s but minimal increase over best figures achieved to date (ukhsv to thank there) and max power higher up rev band but below 5.8k, hotter cam being fitted soon, Marks off on his hols weds but John no doubt will have it sorted by the w/e. Worth noting that the MAF sensor has now been installed along with the knock sensors so that will curb max power rather than no MAF & turn it up to ‘eleven’. Remember I am not technical and know very little but I am experiencing what is involved with obtaining relative high horse power and all I can say is not that straight forward no matter what people say.
I can say they are doing everything they can do to the best of their abilities and Tim has sanctioned the cam exchange, so I think I can be patient for just a little longer.
My experiences from all sources seen and discussed and my own would indicate that there are limitations as to what power can be achieved with a 5.7 LS1, by adding all the quoted outputs for each component you cannot assume that it will add up, more than likely that 450 bhp aspirated and 550 bhp via a blower are roughly it’s limits without major engine internal changes, cams help but not necessarily when you add a blower. Of course there will be examples to disprove my statements but I reckon I’m not far off. Just an opinionated viewpoint from an HSV fan that wished his car was in Oz.
Hope to be a happy chappy next week, well I can dream can’t I
I suspect that 450 ish will be the max you can get from a hydraulic cam set up and that's witrh a pretty wild cam. 500 can be obtained with solid lifters and work. Some people claim 475 hp with just rocker arm ratio changes and a stock cam profile. I can't see that happening that easily, not to mention valve train geometry issues later on. GM would have done it themselves if it was so simple 
I'm talking N/A here.
Boosted.
I'm talking N/A here. Boosted.
What is the current cam spec, and what were you intending to fit ??
I must admit, that when I first fitted my current camshaft, I wasnt that impressed.
Idle is quite lumpy, but it will idle at 900rpm, sounds pretty mean. It is quite radical for a blower though.
I dont know how much power I am making, as Ive never been near a dyno, but it must be in the region of 650rwhp, maybe more, as it recently propelled my brick to 183mph at Elvington on Sunday, over a 1.25 mile standing start.
I may swap back to a milder cam and see what happens, although not in the very near future.
The idle sounds cool, but it is a bit mad.
I must admit, that when I first fitted my current camshaft, I wasnt that impressed.
Idle is quite lumpy, but it will idle at 900rpm, sounds pretty mean. It is quite radical for a blower though.
I dont know how much power I am making, as Ive never been near a dyno, but it must be in the region of 650rwhp, maybe more, as it recently propelled my brick to 183mph at Elvington on Sunday, over a 1.25 mile standing start.
I may swap back to a milder cam and see what happens, although not in the very near future.
The idle sounds cool, but it is a bit mad.
[quote]I have stopped the wilder cam being fitted as no doubt I would gain bhp and loose torque, anyway currently producing 548 bhp & 700 Ft Lbs, that will do me[/quote]
Will,have you always had this much torque or is that 700 ft/lb since LSV re-fettled and then dynoed it?
I know you have a different cam, no cats etc. etc. but that's a massive figure. Without checking, I seem to remember my car was dynoed at 457lb/ft. Might be just a tad more now, since the exhaust system was improved, but that's still massively less than your car. At 0-100mph in 10.0secs, not a lot of cars can overtake my car in a straight line. Your car must be below 10secs if you can get the traction.
Must be really wild, can it cope with so much without just braking traction all the time? Interested to know, as the current E55 AMG clearly has too much torque, the traction control light winking under acceleration in a straight line even on bone dry well surfaced roads. Another potential replacement for the GTS struck off!
Will,have you always had this much torque or is that 700 ft/lb since LSV re-fettled and then dynoed it?
I know you have a different cam, no cats etc. etc. but that's a massive figure. Without checking, I seem to remember my car was dynoed at 457lb/ft. Might be just a tad more now, since the exhaust system was improved, but that's still massively less than your car. At 0-100mph in 10.0secs, not a lot of cars can overtake my car in a straight line. Your car must be below 10secs if you can get the traction.
Must be really wild, can it cope with so much without just braking traction all the time? Interested to know, as the current E55 AMG clearly has too much torque, the traction control light winking under acceleration in a straight line even on bone dry well surfaced roads. Another potential replacement for the GTS struck off!
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