Changing camshaft

All technical questions and answers regarding starions, being modifications to maintenance.
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thrash
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Re: HKS

Post by thrash »

starspeed wrote:my custom JD houses a HKS rally cam ( custom re-grind ) best thing ive done :D
yeah? where do we get one?? :P
quest wrote:
WANTSOM wrote:Personally, I find sloppy boxes very unsatisfying. I like them tight and taught to the point that if you dont have to push to get it in then its probably too old and time to get a new one :P
don't try explaining that to her tho..... just leave. lol
quest
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Post by quest »

sounds like this "HKS copy" cam made a big difference in performance. Where from ?
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cam

Post by starspeed »

call david officer @ officer smith automotive on 03 93299973 :D
at north melbourne !!!!! as he use to rally starions years ago!!! :twisted:
STARSPEED

86 COLTSPEED JD STARION ( my baby )
2000 MITSUBISHI CHALLENGER LS 4X4 ( daily driver )
2010 KIA SORRENTO R ( family car )
83 stebercraft 475 DF - 70hp johnson ( my toy )
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zippo
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Post by zippo »

The rally cam you seek can be found at wade cams in Melb.

call them they have the fectory hks master copy , just as for the starion rally cam , they will know , that is the only cam grind they have for the starion . Every few years they pull it out , as it is hardly ever asked for .

last price was $80 bucks a re grind. the cordia cam is also used if your cam is shot and you can't find another.
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4gpwr
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cams

Post by 4gpwr »

Reground cams , are still small cams . Is there someone up north that have billet starion cams ?
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thrash
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Post by thrash »

what rpm does the car idle with this cam? rough or smooth?
quest wrote:
WANTSOM wrote:Personally, I find sloppy boxes very unsatisfying. I like them tight and taught to the point that if you dont have to push to get it in then its probably too old and time to get a new one :P
don't try explaining that to her tho..... just leave. lol
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cheaterparts
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Re: cams

Post by cheaterparts »

4gpwr wrote:Reground cams , are still small cams . Is there someone up north that have billet starion cams ?
camtech still have bigger grinds on there web site - dont know if they have billits or build up oldcams

the guys I get my 4g54 cams dont do billits for 62/63

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Post by redzone »

no billets available as far as i know, camtech say they have to be made at an extra cost of $800 if you want anything bigger than stage 2...
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4gpwr
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cam

Post by 4gpwr »

Wade quoted me $500 trade for a welded and ground cam , and I bought 2 VR4 272 new cams for $560 trade .
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starspeed
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cams !!!!!

Post by starspeed »

Im really happy with my cam ! :D it runs smooth i think , its got a slight
blat blat blat sound rofl like any rally cam , and there's no turbo lag its made a big difference :D :beer and only cost me $175 , 8 years ago !!!! :wink:
STARSPEED

86 COLTSPEED JD STARION ( my baby )
2000 MITSUBISHI CHALLENGER LS 4X4 ( daily driver )
2010 KIA SORRENTO R ( family car )
83 stebercraft 475 DF - 70hp johnson ( my toy )
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Post by coop1er »

I used a Camtech stage 2 cam as the new billets are no longer available and this was the biggest they could do with a regrind. I originally was after the stage 3 cam but the guy from Camtech suggested it wasn't really worth the extra effort and money unless I had a specific purpose for it in mind. Anyhow with the stage 2 cam and a hefty dose of extra boost, I lost a bit of power down low but made 30% more power up top.
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zippo
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Post by zippo »

the wade grind is not a small cam when tweeked with an adjustable cam gear , and re worked rocker gear .
in its day this grind was made to work with twin pot injection .
now imagine when you have m/point,a good ecu,upgraded fuel system at hand , along with modern dyno.

it can work magic with a 34mm ported td05/20g.
using something tried and tested by the racing teams of yesteryear with power well over 300hp back in the 80's and then add a modern touch , this cam is more than enough for just about any thing . tune down low or crank the gate higher , just remember to use your adjustable cam gear along the way.
old skool jap ...........
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4gpwr
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cam

Post by 4gpwr »

A reground cam is still a small cam , 300 hp at the flywheel is easy , I did that with a stock cam , 300 hp at the wheels I just hit with a regrind cam , before I bined the sohc , after that it just hit a wall and didnt want to more pwr , even with more boost , if I retarded the cam timming it would have made it more lagey , It could of picked up top end but at the cost of driveabilaty .
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zippo
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Re: cam

Post by zippo »

4gpwr wrote:A reground cam is still a small cam , 300 hp at the flywheel is easy , I did that with a stock cam , 300 hp at the wheels I just hit with a regrind cam , before I bined the sohc , after that it just hit a wall and didnt want to more pwr , even with more boost , if I retarded the cam timming it would have made it more lagey , It could of picked up top end but at the cost of driveabilaty .

300@wheels is what they made back in the day , not f/w power.
lag would be would be due to what ever turbo you used. the advancing and retarding factor come at other changes aswell, fuel inj size ,ignition type etc.

so did you use this cam or another one ? what mods were done to car?

i have found this cam to be more than great , turbo spools very early and rips right past 6800 with ease . the specs for this cam are below. the secrect to this so called little cam is in the clearances and duration. dont expect miracles with a stock motor , but with the right stuff this will get you some very good power and best of all some street manners . i dont mean to offend ,but please dont ask for power figures im too old to play the numbers game . to get an idea run the specs matched to a modded 20g with 560 injectors @16psi to any competent tuner and he will give you an idea on what i mean.

W A D E C A M S H A F T S P T Y L T D
A.B.N 62 004 544 996
27 Wells Road, Oakleigh, Vic, 3166
Phone (03)9568 0333 Fax (03) 9568 2633 Email info@wadecams.com

Profile Actuation Make/Model R/Ratio
1095BC Radius Rocker Mitsubishi Starion/ Cordia In1.4 Ex 1.4
--------------------------------------------------------------------------
Cam Lift Duration Duration Valve Valve Lift Phase
Adv @050 Clr Lift tdc <)
--------------------------------------------------------------------------
Intake 306 282 228 0.006 0.4221 N/A 112
Exhaust 306 278 228 0.010 0.4179 N/A
--------------------------------------------------------------------------

Timing Timing
Adv @ 0.05
Open Close Open Close
Exhaust 71 27 46 2
Intake 29 73 2 46

56 4
Deg Over-lap Deg Over-lap
old skool jap ...........
there is no substitute...........
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thrash
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Post by thrash »

is it worth upgrading cam if i don't plan on pushing the engine past 6k rpm?
quest wrote:
WANTSOM wrote:Personally, I find sloppy boxes very unsatisfying. I like them tight and taught to the point that if you dont have to push to get it in then its probably too old and time to get a new one :P
don't try explaining that to her tho..... just leave. lol
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