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Hotrocker Roller Rockers 

 

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 Post subject: Hotrocker Roller Rockers
Posted: Thu Feb 16, 2006 12:19 pm 
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Has anyone seen these and what do you think? www.hotrocker.com

 

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Posted: Thu Feb 16, 2006 10:43 pm 
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Very interesting, ugly but interesting.

I have alway wondered why nobody has made a variable cam timing adaptor for V8's etc, i.e. directly connected to the camshaft.

 

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Posted: Thu Feb 16, 2006 11:09 pm 
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well sounds like a great system, for a old engine, but varible cam lift isnt really for power gain maybe slighty but not much, it only helps for fule eccnemy and emissions, well on the new varible valve lift system on modern cars, and people with old v8s arnt looking for that really.
i cant see how this system gives the car alot more power. maybe slight but not as much as they say.

id think very hard about buying this sytem before i payed the money for it.

i dont know what you guys think
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Posted: Thu Feb 16, 2006 11:22 pm 
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fordgt290 wrote:
well sounds like a great system, for a old engine, but varible cam lift isnt really for power gain maybe slighty but not much, it only helps for fule eccnemy and emissions, well on the new varible valve lift system on modern cars, and people with old v8s arnt looking for that really.
i cant see how this system gives the car alot more power. maybe slight but not as much as they say.

id think very hard about buying this sytem before i payed the money for it.

i dont know what you guys think


I would like to see independent dyno results, but I can't see how you wouldn't get a sizable power increase depending on how far the ratio change is.

I emailed them to find out the price, just curious, looks like to many things to go wrong for me, and looks dog ugly with the motor etc sitting on top of the rocker cover.

 

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Posted: Thu Feb 16, 2006 11:39 pm 
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they had a price of 980 i think for a v8
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Posted: Thu Feb 16, 2006 11:53 pm 
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Ride: 93 Maverick LWB/S2 LWB Delica

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NSW, Australia

That sounds pretty good considering how much standard decent roller rockers are, that is if that is AUD not USD.

 

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97 S2 Mitsubishi Delica LWB (off the road getting v8 transplant) http://tmacmechanical.com.au/

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Posted: Sat Feb 18, 2006 1:03 pm 
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fordgt290 wrote:
well sounds like a great system, for a old engine, but varible cam lift isnt really for power gain maybe slighty but not much, it only helps for fule eccnemy and emissions, well on the new varible valve lift system on modern cars, and people with old v8s arnt looking for that really.
i cant see how this system gives the car alot more power. maybe slight but not as much as they say.

id think very hard about buying this sytem before i payed the money for it.

i dont know what you guys think


From what i can work out you can run a bigger cam than you would usually and with these rockers they will give you more torque down low in the rev range as they adjust the lift and duration.

 

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Posted: Sat Feb 18, 2006 1:40 pm 
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well good luck gettin it workin on canted valve heads..

but i tihnk its ingenious.. who knows, you may actually NEED something like this in 20 years time when you're beloved pushrod v8 needs to pass bi-yearly emissions tests etc etc..

 

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Posted: Sun Feb 19, 2006 1:42 am 
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O/K on that cartoon but getting them to work in real engine is something different? Plus it realy changes valve lift more than timing...How does it keep the same phasing on all cylinders???

 

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Posted: Sun Feb 19, 2006 12:07 pm 
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Ride: 93 Maverick LWB/S2 LWB Delica

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NSW, Australia

EBXR8380 wrote:
O/K on that cartoon but getting them to work in real engine is something different? Plus it realy changes valve lift more than timing...How does it keep the same phasing on all cylinders???


f**k if I know, all smoke and mirrors to me :lol: (joking)

I have to agree with Graeme, looks good in theory but I would like to see some independent results.

Phasing between banks would be the more interesting thing to know, especially after a bit of wear and tear.

 

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97 S2 Mitsubishi Delica LWB (off the road getting v8 transplant) http://tmacmechanical.com.au/

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Posted: Sun Feb 19, 2006 12:26 pm 
Getting Side Ways
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Age: 45

Posts: 3531

Joined: 5th Nov 2004

Gallery: 25 images

Ride: 93 Maverick LWB/S2 LWB Delica

Power: 75 rwkw

Location: uoʇǝlƃuıs lʍoq ʇsnp
NSW, Australia

I think variable cam timing would have been a more reliable and fail safe idea conversion than the complicated rocker setup of the Hotrocker.

After working on, test driving many and taking a VCT 4.0L Fairlane on a few decent trips, the VCT made the 4.0L feel like a different engine.
It alway made me wonder how much further they could have gone with it on the SOHC 6.

 

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93 Ford Maverick LWB automatic petrol guzzler (gets stuck where Deli doesn't, big pumpkins :evil:)
97 S2 Mitsubishi Delica LWB (off the road getting v8 transplant) http://tmacmechanical.com.au/

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