Now that HPtuners has been released and we don't have to worry about the stock ecu calibrations, what needs to be done to swap up to HO or W41 cams on the 2.4? There is the issue of a cam sensor gear, or the removal of it's need via HPtuners (can it do this?), the clearance issue on the 2.4 cam towers (do they fit, or what needs to be done to make them fit?), or the swap to 2.3HO cam towers and lifters (which are larger and cheaper than LD9 lifters), as well as the fitiment of a cam sensor or it's removal.
There is also the power steering pump drive, which the HO cams don't have IIRC. I think the HO cam should fit with some machining or a cam tower swap. What kind of gains could we realize now that we can tune them? Are they good for boost? Ask anything else you ever wanted to know about HO or W41 cams as well.
15.3 @ 89.97mph, 14's on the way?
AGE for info. the same thing popped into my head.
Shifted? Any idea?
Msd makes a box for cam sync signal for saturn cars. Protomec and I had a discussion about it a few months ago.. it might work just fine on our cars. definately worth a shot over having the cams machined. Here is a link to it :
http://www.msdignition.com/sci_16.htm
Theoretically you can then just unplug the cam snsor and remove it totally. Removing your major problem.
Now after that I do believe you can run the HO towers and cams just fine on the 2.4 head. Remeber to switch over to the HO p/s setup too. Cant remember which lifters you have to use but im sure someone else will know. hope i helped.

Sven you totally quarterloafed your computer..
In case your wondering, the MSD pdf about the box says it COULD work for other waste spark systems.. if it does that would be very cool.

Sven you totally quarterloafed your computer..
The HO cams are great for a boosted application.
I'm working on hex drive inserts for the HO/LO cams so they can be used on the 2.4, but I'm not sure if the hO towers have the bolt holes there for the power steering pump.
It looks like it should be pretty easy to install some type of boss to make the sensor, too. The cam sensor is only for sequential injection, so its not really required. The injection just switches to batch without it.
How do you remove the pulley thats on the HO intake camshaft?
-M
Remember....syringes go in the RED waste basket.
You can't remove the can sensor, or the car would not having timing (unless you was able to make the MSD cam sync signal thing work). The HO housing should bolt right onto the 2.4, and use the 2.3 lifters as well. Have the hex machined into the intake cam and go.
FU Tuning
So basically I need to get my factory cam reground to the .410 spec because that pulley can be removed?
I know its not a pulley per say, but thats the only way I can describe it with words.
-M
Remember....syringes go in the RED waste basket.
guys that do the 2.3 swap just switch to the 2.3 power steering setup..

Sven you totally quarterloafed your computer..
Some good info coming out in this thread, anyone have a link to that MSD unit?
15.3 @ 89.97mph, 14's on the way?
John Higgins wrote:You can't remove the can sensor, or the car would not having timing (unless you was able to make the MSD cam sync signal thing work). The HO housing should bolt right onto the 2.4, and use the 2.3 lifters as well. Have the hex machined into the intake cam and go.
The cam sensor has nothing to do with the timing. Thats the crank sensor.
Quote:
So basically I need to get my factory cam reground to the .410 spec because that pulley can be removed
I don't understand what you mean, but if anybody is interested, I can grind a set of HO cams on 2.4 cores, and you will be able to do the install with NO MODS.
Let me know if anybody would like to work with me on this.
I'm thinking about doing tit on my 00 Z, and I have the HO masters already for grinding.
I also have these
http://cgi.ebay.ca/ws/eBayISAPI.dll?ViewItem&item=8059269191&rd=1&sspagename=STRK%3AMESE%3AIT&rd=1
And these
http://cgi.ebay.ca/ws/eBayISAPI.dll?ViewItem&item=8058852797&rd=1&sspagename=STRK%3AMESE%3AIT&rd=1
Quote:
The cam sensor has nothing to do with the timing. Thats the crank sensor
Really. Interesting. I believe the crank sensor and cam sensor work together on timing.
FU Tuning
Well tTurbo I have the 200 @.375 lift cams in my LD9 now so I have a spare intake camshaft.
How much would you charge for the regrind.
Meantime,
I bought off the quad4forums a set of .410 lift cams with towers.
Now on the intake cam, on one side, there is this big wheel thing attached to the cam.
It looks like a pulley of some sort. But I know its not a 'pulley' but it looks like one.
I was asking how do I get it removed.
But again, if you can regrind the cam I have I'll send to you.
Of course I wouldn't wanna wait 2 months to get it back.
Thanks,
-M
Remember....syringes go in the RED waste basket.
Mastin, on the 2.3 intake cam..... that is the power steering pulley..... you remove it with a pulley puller......
As for the Cam Sensor..... the 2.4 uses it for injector timing..... so it knows when to fire the injectors (SFI), if you unplug it, it sets a code, and goes into Batch Fire mode (Firing 2 injectors at the same time)..... same system the 2.3 Quads used.
As for the HPT..... I have yet to see if I can change from SFI to batch fire in the programming itself...... still working out issues I'm having with the Editor software.
SPD RCR Z -
'02 Z24 420whp
SLO GOAT -
'04 GTO 305whp
W41 BOI -
'78 Buick Opel Isuzu W41 Swap
Quote:
Well tTurbo I have the 200 @.375 lift cams in my LD9 now so I have a spare intake camshaft.
Ussually about $150 per cam + shipping.
I like to keep turnaround to a week, or less from the time I get the cores, til I ship them back.
Thanks SRZ I'll try for it.
TS I'll email ya.
-M
Remember....syringes go in the RED waste basket.
Quote:
I can grind a set of HO cams on 2.4 cores, and you will be able to do the install with NO MODS.
Seem like you didn't know that the 2.4 housing is not suppose to be able to take the .410" lift of the Ho cams. So you're "no mods" is not true.
Also, Mastin, Beware of TS, he joined 3 days ago and it brings a big red flag. Do not do business with new people especially when they don't know the simple fact I state above. And do business with cams company. IE Comp Cams, Crane cams, ...
They know what do to and they DO IT RIGHT.
Gilles
2.3 Ho
In Canada anyway so may be a no go.
Ack,
-M
Remember....syringes go in the RED waste basket.
the msd cam sync generator works awesome on ecotecs.. I should kniow I have one...
the 2.4... idk
LE61T PTE6262 Powered
Mfk-223 wrote:Quote:
I can grind a set of HO cams on 2.4 cores, and you will be able to do the install with NO MODS.
Seem like you didn't know that the 2.4 housing is not suppose to be able to take the .410" lift of the Ho cams. So you're "no mods" is not true.
Also, Mastin, Beware of TS, he joined 3 days ago and it brings a big red flag. Do not do business with new people especially when they don't know the simple fact I state above. And do business with cams company. IE Comp Cams, Crane cams, ...
They know what do to and they DO IT RIGHT.
Let me address those very interesting statements .
a) I can't believe the paranoia, and misinformation in this 'community' sometimes.
b) Please stop getting in the way of people that are trying to learn about, and modify their cars with a little more ingenuity. I am here to help you guys, not rip you off. Do you really like paying $700 for a set of $300 cams??????
c) READ MY FEEDBACK except for that idiot that tried to rip ME off, it is 100%
d) I've been here for 4yrs as Nosfly, I just changed my username.
e)When I said 'no mods' I think you are referring to what I said about the .375 lift cams, which is true, but it is ALSO TRUE if I put the .410 lift on a 2.4 core. I do not add material, so the lobe does not get any bigger. It fit before, and if you are only REMOVING material when you grind it, it wil still fit.
f) Please don't open your mouth when you have no idea what you are talking about.
I have sold cams in most provinces, states, and on several different continents. I specialize in Suzuki, and Isuzu, ( I have 3 Suzuki race cars) but am also now starting to do 2.4, and Quad4 cams(I have a 99, and a 00 Z24) because you guys are getting arssraped by the suppliers I see selling cams to you. This is why I started doing the Suzuki cams.
I am a cam company. Do you think I grind them with an angle grinder in my basemant?
I will be happy to supply ANY amount of references from my customers that you would like.
I am here to work with, and help you guys, not rip you off. You must have had some bad experiences in the past, and because of that, I can understand your paranoia, but please, if you have a question, just ask, don't accuse me of something, when I'm really here to help.
As for being in Canada, it doesn't matter. Today I am shipping cams to India, Turkey, and Michigan.
If you don't believe what I said, or don't understand it (like MFK) please ask.next time.
easier to pay to get the cam tower moded , and get the HO cam modded with the cam sensor , and power steering hex machined into it
personally i hate reground cams , because the base circle changes , and you end up with extra play between the cams and the lifters , and since the 2.4 isnt the most popular , finding shims isnt the easiest thing to do
[quote=97cavie24ls(JDM&00s/c sedans™)]easier to pay to get the cam tower moded , and get the HO cam modded with the cam sensor , and power steering hex machined into it
personally i hate reground cams , because the base circle changes , and you end up with extra play between the cams and the lifters , and since the 2.4 isnt the most popular , finding shims isnt the easiest thing to do
Another one.
Easier, I don't think so.
The Twincam uses hydrauslic lifters. The lifter takes up the clearance. Its called lifter preload. Because of the design, geometry is also not affected.
Not only can you not get shims, but there is no place to put them, and there is no 'play' between the cams asnd lifters in the first palce.
Incase you are interested, or still doubt me, here is my site on the Suzuki board.
www.teamswift.net/3tech
I am a real company.
You may not like them, but those are my cars, that is me, and the white car on the bottom runs 14s with a 3cyl.
Let's not get too carried away with the whole buyer beware thing, we should all know to be careful when buying things over the internet.
Let's keep the information rolling though, what downside is there to running batch fire instead of SFI? Fuel economy, driveability, anything?
15.3 @ 89.97mph, 14's on the way?