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Fastlane » Holden Forums » Holden General Discussion » VS V8 info

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VS V8 info

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Guest		#1 Posted : Tuesday, 31 August 2004 10:40:57 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Hi all, I need some info regarding EFI wiring etc for VS V8 commodores. My quadrajet carbied 308 (with VN-VS heads) is getting a VS V8 EFI setup. Only thing is I need some info clarified, so here goes: 1. Am I correct in saying that the pinout for the 2 connectors for the computer (ECM for manual, PCM for auto) are wired completely different re manual vs auto. Looking at the limited wiring diagrams I have, it seems they are totally different. Correct? 2. Going by above, you cant simply then swap auto to manual computers around without re-wiring the engine loom, correct? 3. I understand I have to get the computer re-programmed and the gearbox/security removed from it. Well I have a computer that allready has had that removed, but has also been programmed to open-loop mode, so it ignores the O2 sensor, is this able to be re-programmed back in? 4. Assume a stock standard VS V8 commodore. How would the stock computer handle a cam change?? Would it need to be re-programmed or does it learn?? I ask becuase the 308 allready has quite a hot cam and I dont want to take it out. 5. How have people gotten around the VSS (vehicle speed sensor)????Again, from the limited notes I have it seems the computer will need to know about the cars speed. Thanks for any advice all! Cheers Dre

Guest		#2 Posted : Tuesday, 31 August 2004 11:15:13 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Hi Dre, Im curious as to y you want to use the VS computer? grab the VN Delco 808, ive used a VSS to help my IAC, the guys in Perth supply these, you can use your cable speedo still but it sends thru a puse for the ECM. Im using a

Guest		#3 Posted : Wednesday, 1 September 2004 2:03:42 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		I'm using a VS computer cause I have a VS injection manifold and everything else I have is from a VS :) I'm not upgrading a VN setup for a VS setup, I'm getting rid of my Quadrajet and sticking a full EFI setup on there. Yeah, VS use a diffe

Guest		#4 Posted : Wednesday, 1 September 2004 3:07:35 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Hey Dre, i re-read ur post and realised you already ahd all the VS gear. the VN speedo has a built in divide by 5 circuit before feeding back to the computer, to obtain the correct no of pulses, either way u still need a pulse sender unit, jus

Guest		#5 Posted : Wednesday, 1 September 2004 6:53:40 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Hi Dre. A couple of things here to clear up. Firstly, you mentioned you had a hot cam that you wanted to keep. If this cam was to suit the old 308 heads, it won't work with EFI heads because the valve order has changed & you will have the wrong

Guest		#6 Posted : Wednesday, 1 September 2004 6:56:54 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Hi Dre. To add to above. With VR & VS V8 the manual trans ECU is a smaller unit than the auto PCM & looks like the VN/VP 808 unit, it's number ends in 082. This is the one you need if you are not running an auto in a VR/VS V8. You could, as oth

Guest		#7 Posted : Wednesday, 1 September 2004 7:38:47 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Castle auto electrics sell the speed sensor pulse convertor kit. About $200 I think. I'm a big fan of an 808 ECU with an SV89 memcal. This is the 180kW setup, and works well with a lumpier cam. You need to improve the exhaust as well, fit a V6 knock senso

Guest		#8 Posted : Wednesday, 1 September 2004 4:28:02 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Hi Byron. Can you tell me more about the patch harness... Is there a GM part number for it, and is patch harness the correct name for it? I have the knock sensor for my VN V8 (HSV modified ECM), but no wiring :-( I notice on VT V8's that the lead comi

Guest		#9 Posted : Wednesday, 1 September 2004 7:37:33 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Hi guys, What are the advantages in running the knock sensor, and and I right in saying that my std memcal needs to be modified to accept one? Thanks, Steve.

Guest		#10 Posted : Wednesday, 1 September 2004 7:38:07 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Hi, thanks for the info. But I allready have VN-VS heads on my 308 with cam and extractors all fitted, so no worries. All I'm planning to change is my manifold over to a VS EFI one. I dont really care whether its sequential or not. What I do

Guest		#11 Posted : Wednesday, 1 September 2004 7:41:20 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Hi, my VS auto computer is allready programmed to ignore the security and trans so I dont really want to just "throw it out" as you say. I dont have any VN gear so I just want to use what I have. I'll persist anyways... Dre

Guest		#12 Posted : Wednesday, 1 September 2004 11:49:15 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Yes it's an off the shelf GM part number. About $29. See your local Holden dealer, and look under the 180kW engine section. It taps into the harness at the ECU if I remember correctly. As to Steve's query, the advantage of the knock sensor is you can dev

Guest		#13 Posted : Thursday, 2 September 2004 4:09:25 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Hi again Dre. The answer to this question is quite simply, NO. Unless your car has a 4L60-E auto trans you must use the 082 ECU or better still the 808. If you already own a harness, you could fit the plugs to suit the 082 or 808, by rem

Guest		#14 Posted : Thursday, 2 September 2004 4:05:53 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Hmmmm, asked at our statewide Holden dealership (Motors in Launceston), but the guy had never heard of it, and couldn't find it on the computer. Not all that surprising I suppose as a small state like Tassie gets very limited quieries for out of the ordi

Guest		#15 Posted : Thursday, 2 September 2004 6:15:41 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Thanks Byron, I'm running a cold air intake, & improved exhaust. I've actualy got a COME cam & chip package, so might have to give them a call to see what I can do. Cheers, Steve.

Guest		#16 Posted : Thursday, 2 September 2004 7:13:10 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Thanks, I found out on Oldholden yesterday the same info. I've allready started to convert my manual loom to accept the auto VS computer. BTW, the gearbox in my ute is a Supra 5 speed so no worries there. Cheers Dre

Guest		#17 Posted : Friday, 3 September 2004 12:24:24 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Try this: 06Y111902. Lists as $25.60. You may also be able to adapt a V6 one?

Guest		#18 Posted : Friday, 3 September 2004 6:56:53 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		http://www.kalmaker.com.au/index.html try this web site lots of info here you cant go wrong. I have one of these (SP3)in my 71 coupe running a 355 harrop and 1000 cfm tb large cam etc etc,if your going

Guest		#19 Posted : Friday, 3 September 2004 6:58:53 PM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		http://www.kalmaker.com.au/index.html try this web site lots of info here you cant go wrong. I have one of these (SP3)in my 71 coupe running a 355 harrop and 1000 cfm tb large cam etc etc,if your going

Guest		#20 Posted : Wednesday, 12 July 2006 2:14:46 AM(UTC)
Rank: Guest Groups: Guests Joined: 2/09/2015(UTC) Posts: 43,977 Was thanked: 5 time(s) in 5 post(s)		Hey guys im new here, im actuly doing a very simialr conversion, VS series one 304 top end into a 1970 hg 308 using my current trimatic. ive got a automatic computer and loom with my 304 top end, spoke to castle auto electrics today they want $350 to repr

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