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Posted: Sun Oct 09, 2005 11:01 pm 
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Chris I know about how dynos work, but it still aint as accurate as same day testing.
The rest is the good idea, but I still think you should try and get a few cams at least tested on the same day.

Same with the 1/4 mile...different days will probably affect the result a little.

 

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Posted: Mon Oct 10, 2005 2:34 pm 
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Testing on the same day is even influenced a bit.
Heatsoak would be a player, a cam tested earlier in the day would have an advantage.

I know it isn't exactly feasible, cost wise, but to dyno run each cam twice, once on install, and once after a week of driving, would give 2 figures that would at least give an idea as to the accuracy of the dyno results.

1/4 times will be interesting, although again, temperature is going to play a role.
If weather conditions are documented when you do the run, that's about all you can do.
People can then see for themself "Oh, x cam was a tenth faster then y cam, but it was on a bit colder night" etc.

How much money are you looking at needing Chris?
I'd be down to fork out some money for this :D


Jared.

 

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Posted: Mon Oct 10, 2005 3:23 pm 
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well at the moment i have put 300 odd dollars towards it from selling stuff i have in the garage. It all comes down to dyno if i can get a discount or somethign i have to wait to hear. 2-3 of the cams i will need to buy myself and hp valve springs, 2 heads, 1 vernier cam gear. Then if i do the quarter runs that 45 bucks each time x 2 cause people want a auto Vs. manual.

As of yet cost is still a mystery.
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Posted: Tue Oct 11, 2005 6:28 pm 
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I got an ef xr cam sitting on the kitchen floor.. also a set of rebuilt rocker gear that could be utilised if need be..

pm me if your interested.

 

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Posted: Fri Oct 14, 2005 3:06 am 
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Dave the rockers just fall off the back of a truck? Same day testing is s**t as outlined by steady ED, any one who lives in sydney will know that it still gets cold of the night/morning here and can be quite hot and humid during the day. Tickford 6 you have misinterpereted Spider in saying that running in roller cams isnt necessary. This is true in the sense that you must run in flat tappet cams as opposed to just dropping in a roller cam, however Spider is dead right in saying that it will take a couple of days for the ECU to addapt to each cam. DONT SAY BUT THE ECU RUNS IN OPEN LOOP AT WOT, cause any one who has even had any form of experience with AFPR's will tell you that even when you set A/R's they will revert back to a some what rich state after a short period. My understanding is that the ECU sets its WOT maps according to where the predetermined checkpoints are found running in closed loop mode. Dont make me go back through FM, TBF, FF, coral and prove you wrong about WOT and preset maps by arguing this point

 

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 Post subject: DEV 3HL CAM IN AN EF XR^
Posted: Fri Oct 28, 2005 2:58 pm 
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Howdy. I have had a DEV3HL cam installed in my manual EF XR6. Before the cam modification it was punching out 130 rear wheel killowatts (replacement headers, hi flow cat and s/s exhaust). It's now making 149 rear wheel killowatts. I found that there kick in the rev range, just more power everywhere and the car felt stronger. The only downside to the cam is that ever since it was installed, the car stalls frequently, needing a blip on the throttle when stopping at the lights, which scares quite a few commodore owners in doing so.
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Posted: Wed Nov 16, 2005 6:13 pm 
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BUMP...i wanna see this thing happen, c'mon guys. personally i'd like to know about LPG cams but i'm still really interested in cams in general :P

 

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 Post subject: Re: DEV 3HL CAM IN AN EF XR^
Posted: Wed Nov 16, 2005 6:36 pm 
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downingj wrote:
Howdy. I have had a DEV3HL cam installed in my manual EF XR6. Before the cam modification it was punching out 130 rear wheel killowatts (replacement headers, hi flow cat and s/s exhaust). It's now making 149 rear wheel killowatts. I found that there kick in the rev range, just more power everywhere and the car felt stronger. The only downside to the cam is that ever since it was installed, the car stalls frequently, needing a blip on the throttle when stopping at the lights, which scares quite a few commodore owners in doing so.


could be timing i had a simliar thing when it wasnt timed right
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Posted: Wed Nov 16, 2005 6:36 pm 
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Slabz wrote:
BUMP...i wanna see this thing happen, c'mon guys. personally i'd like to know about LPG cams but i'm still really interested in cams in general :P


look i wish i could make this go ahead but the fact is without dyno time there is no use
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Posted: Tue Nov 29, 2005 12:22 pm 
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Spider_GT wrote:
Slabz wrote:
BUMP...i wanna see this thing happen, c'mon guys. personally i'd like to know about LPG cams but i'm still really interested in cams in general :P


look i wish i could make this go ahead but the fact is without dyno time there is no use


why can't you get dyno time?

 

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Posted: Wed Nov 30, 2005 7:58 pm 
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simple $$$$$$$$$$$$$$$$$$$$$$$
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Posted: Mon Dec 12, 2005 11:34 am 
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Don't worry about dyno and 1/4 mile etc etc.. just put them in.. drive them around. Give us a review. I mean really... how could we ask for more than that. At the end of the day it's all subjective, so just give us your opinion :)
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Posted: Mon Dec 12, 2005 9:15 pm 
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anything going to happen with this thread now since spider is gone?
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Posted: Tue Dec 13, 2005 4:11 am 
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i dont think so!!!!!!

 

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Posted: Wed Dec 14, 2005 2:17 am 
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lol just noticed your sig there desstroyer :D

 

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