HomeHOW TO DO AN ADVANCED SEARCH.
Mon Jul 08, 2013 3:56 pm by Admin
For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.
When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).
After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …
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Mounting a VSS on a pre 85.5?
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robstah
jsautomotive
Admin
fliermike45
RobotMachines
Porch
laptop_geek
87-944S
marc a
joecitizennn
14 posters
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Mounting a VSS on a pre 85.5?
joecitizennn Sat Mar 10, 2012 4:57 pm
What is the best and cheapest route to mounting a VSS on an early 944 setup?
joecitizennn- Posts : 46
Join date : 2011-11-22
Re: Mounting a VSS on a pre 85.5?
marc a Sat Mar 10, 2012 5:57 pm
Get a cam gear from any 944/951 motor and have the middle machined out to fit over the passenger's side inner CV. Make a simple mounting plate. The holes are already tapped into the transmission.
[You must be registered and logged in to see this image.]
You will need a sensor from a 2002 Camaro with automatic transmission and when the brain gets flashed have the tuner choose auto transmission for VSS. (auto trans has same number of teeth as the 944 cam gear. All you need to do is flatten the mounting bracket that comes on the sensor and drill a hole for the sensor to go through the plate. Use small washers to set gap.
You will need longer cv bolts which can be had from McMaster-Carr.
[You must be registered and logged in to see this image.]
You will need a sensor from a 2002 Camaro with automatic transmission and when the brain gets flashed have the tuner choose auto transmission for VSS. (auto trans has same number of teeth as the 944 cam gear. All you need to do is flatten the mounting bracket that comes on the sensor and drill a hole for the sensor to go through the plate. Use small washers to set gap.
You will need longer cv bolts which can be had from McMaster-Carr.
marc a- Posts : 170
Join date : 2009-07-18
Location : Herndon, Va
Re: Mounting a VSS on a pre 85.5?
87-944S Sat Mar 10, 2012 6:32 pm
Check out Admin's site, he has a nice VSS kit.
87-944S- Posts : 744
Join date : 2009-06-10
Location : Maryland
Re: Mounting a VSS on a pre 85.5?
laptop_geek Sat Mar 10, 2012 7:42 pm
marc a wrote:Get a cam gear from any 944/951 motor and have the middle machined out to fit over the passenger's side inner CV. Make a simple mounting plate. The holes are already tapped into the transmission.
[You must be registered and logged in to see this image.]
You will need a sensor from a 2002 Camaro with automatic transmission and when the brain gets flashed have the tuner choose auto transmission for VSS. (auto trans has same number of teeth as the 944 cam gear. All you need to do is flatten the mounting bracket that comes on the sensor and drill a hole for the sensor to go through the plate. Use small washers to set gap.
You will need longer cv bolts which can be had from McMaster-Carr.
Any chance you remember what length CV bolts you used?
laptop_geek- Posts : 230
Join date : 2010-05-14
Age : 34
Location : Memphis, TN
Re: Mounting a VSS on a pre 85.5?
Porch Sat Mar 10, 2012 8:44 pm
I don't recall what length you need, but it's a very standard length. I got some at a local hardware store that had hex heads and fit in the space just fine. I believe i had to cut the clamp off the CV boot, but i haven't had any leakage issues either.
The holes in the transmission side are through-holes, so length isn't incredibly important (if they're a little too long, it doesn't matter).
The holes in the transmission side are through-holes, so length isn't incredibly important (if they're a little too long, it doesn't matter).
Porch- Posts : 851
Join date : 2009-09-02
Age : 43
Re: Mounting a VSS on a pre 85.5?
marc a Sat Mar 10, 2012 9:06 pm
I'll dig out the box in the morning.
marc a- Posts : 170
Join date : 2009-07-18
Location : Herndon, Va
Re: Mounting a VSS on a pre 85.5?
RobotMachines Sun Mar 11, 2012 3:10 am
joecitizennn wrote:What is the best and cheapest route to mounting a VSS on an early 944 setup?
Best cheapest route would be to buy a $99 GPS to mount on your windshield. The good thing about this besides telling you your speed is that it's a GPS with maps and directions with a female voice telling you where to go
RobotMachines- Posts : 165
Join date : 2009-08-09
Location : Connecticut
Re: Mounting a VSS on a pre 85.5?
joecitizennn Sun Mar 11, 2012 1:10 pm
RobotMachines wrote:joecitizennn wrote:What is the best and cheapest route to mounting a VSS on an early 944 setup?
Best cheapest route would be to buy a $99 GPS to mount on your windshield. The good thing about this besides telling you your speed is that it's a GPS with maps and directions with a female voice telling you where to go
My speedo works fine, my computer just needs to know how fast I am going. Not sure if I want another female voice telling me where to go.
joecitizennn- Posts : 46
Join date : 2011-11-22
Re: Mounting a VSS on a pre 85.5?
marc a Sun Mar 11, 2012 3:29 pm
1.25 x 60 Blue class 12.9. Socket head cap screw. Part number: 91303A207 @ McMaster-Carr
After installation check clearance between bolts and tranny case by spinning wheel slowly 360 degrees.
I forgot to mention, the machine shop should drill the holes to match the CV bolt holes as well.
After installation check clearance between bolts and tranny case by spinning wheel slowly 360 degrees.
I forgot to mention, the machine shop should drill the holes to match the CV bolt holes as well.
marc a- Posts : 170
Join date : 2009-07-18
Location : Herndon, Va
Re: Mounting a VSS on a pre 85.5?
RobotMachines Sun Mar 11, 2012 5:56 pm
joecitizennn wrote:RobotMachines wrote:joecitizennn wrote:What is the best and cheapest route to mounting a VSS on an early 944 setup?
Best cheapest route would be to buy a $99 GPS to mount on your windshield. The good thing about this besides telling you your speed is that it's a GPS with maps and directions with a female voice telling you where to go
My speedo works fine, my computer just needs to know how fast I am going. Not sure if I want another female voice telling me where to go.
Well, I have my old 83' 944 lawnmower engine about 15' from where I'm sitting. I can pull the cam gear if you want.
EDIT: No charge, just pay shipping.
RobotMachines- Posts : 165
Join date : 2009-08-09
Location : Connecticut
944 engine
fliermike45 Sun Mar 11, 2012 7:48 pm
Hi Robot,
What do you want for the cam tower off your engine?
Mike
What do you want for the cam tower off your engine?
Mike
fliermike45- Posts : 778
Join date : 2009-09-19
Re: Mounting a VSS on a pre 85.5?
joecitizennn Sun Mar 11, 2012 8:19 pm
pretty sure I have a spare gear out in the shed from a 944 engine that blew up years ago. If not I will give you a pm.
joecitizennn- Posts : 46
Join date : 2011-11-22
Re: Mounting a VSS on a pre 85.5?
Admin Mon Mar 12, 2012 8:21 am
Mike,
I'm picking up two cars tomorrow, one is a parts car. Engine fire. If you want the cam tower just pay for shipping and it's yours.
I'm picking up two cars tomorrow, one is a parts car. Engine fire. If you want the cam tower just pay for shipping and it's yours.
Admin- Admin
- Posts : 1449
Join date : 2009-06-08
Age : 66
Location : Arlington,Texas -
VSS
jsautomotive Mon Mar 12, 2012 9:46 pm
I have asked this question on LS1 Tech and asked the Techs in my shop. and have heared yes you need it, and no it isnt necessary. My car is a 83 944 manual trans, the wiring harness is 98 camaro SS manual trans car. If i have to have it thats fine, I have an extra cam gear to use for the reluctor, but if i really dont need it id rather not have to run the extra wiring to the back of the car. thanks.
jsautomotive- Posts : 14
Join date : 2010-11-06
Age : 48
Location : Coffeyville,Ks
Re: Mounting a VSS on a pre 85.5?
laptop_geek Mon Mar 12, 2012 10:26 pm
jsautomotive wrote:I have asked this question on LS1 Tech and asked the Techs in my shop. and have heared yes you need it, and no it isnt necessary. My car is a 83 944 manual trans, the wiring harness is 98 camaro SS manual trans car. If i have to have it thats fine, I have an extra cam gear to use for the reluctor, but if i really dont need it id rather not have to run the extra wiring to the back of the car. thanks.
From what I understand:
Some people have been able to run this for a short amount of time without having problems, but I think most everyone has eventually hooked it up. The car will run without the VSS installed, but drive-ability will suffer. I think the biggest issue is having trouble idling and taking off from an idle. I found a more detailed explanation on one of the swap sites. Let me see if I can find it.
laptop_geek- Posts : 230
Join date : 2010-05-14
Age : 34
Location : Memphis, TN
Re: Mounting a VSS on a pre 85.5?
robstah Mon Mar 12, 2012 10:30 pm
jsautomotive wrote:I have asked this question on LS1 Tech and asked the Techs in my shop. and have heared yes you need it, and no it isnt necessary. My car is a 83 944 manual trans, the wiring harness is 98 camaro SS manual trans car. If i have to have it thats fine, I have an extra cam gear to use for the reluctor, but if i really dont need it id rather not have to run the extra wiring to the back of the car. thanks.
It's just a single pair of wires. Don't be lazy.
robstah- Posts : 352
Join date : 2009-08-28
Age : 39
Location : Athens, GA
Re: Mounting a VSS on a pre 85.5?
laptop_geek Mon Mar 12, 2012 10:36 pm
lt1swap.com wrote:VSS - You should KEEP a vehicle speed sensor regardless of what transmission type you use. The PCM needs to know if vehicle is moving. Without the speed sensor, you can suffer from reduced fuel economy, reduced power, and idle problems. There are a few options for speed sensors on the transmissions with cable drive output. View this link at Dakota Digital website. I have used Dakota Digital SEN-4160 with good success. This is a 8000 pulse per mile sensor, that will allow cable speedometer hookup. I can program any PCM to accept any # of speed pulses.
Here is a discussion that took place not too long ago,
[You must be registered and logged in to see this link.]
and one that took place at the beginnings of this forum.
[You must be registered and logged in to see this link.]
laptop_geek- Posts : 230
Join date : 2010-05-14
Age : 34
Location : Memphis, TN
Re: Mounting a VSS on a pre 85.5?
joecitizennn Tue Mar 13, 2012 7:40 am
marc a wrote:Get a cam gear from any 944/951 motor and have the middle machined out to fit over the passenger's side inner CV. Make a simple mounting plate. The holes are already tapped into the transmission.
[You must be registered and logged in to see this image.]
You will need a sensor from a 2002 Camaro with automatic transmission and when the brain gets flashed have the tuner choose auto transmission for VSS. (auto trans has same number of teeth as the 944 cam gear. All you need to do is flatten the mounting bracket that comes on the sensor and drill a hole for the sensor to go through the plate. Use small washers to set gap.
You will need longer cv bolts which can be had from McMaster-Carr.
Is there a part number for the sensor I can use?
joecitizennn- Posts : 46
Join date : 2011-11-22
Re: Mounting a VSS on a pre 85.5?
laptop_geek Tue Mar 13, 2012 2:42 pm
Dawgz83948 wrote:I don't know if this came up before but the VSS sensor that can be used (at least for LT1's) is out of a 1995 Chevrolet Truck C1500 1/2ton P/U 2WD 5.7L TBI 8cyl. Duralast P/N SU1217 $44.99 or Standard SC86. That is all.....
[You must be registered and logged in to see this link.]
laptop_geek- Posts : 230
Join date : 2010-05-14
Age : 34
Location : Memphis, TN
Re: Mounting a VSS on a pre 85.5?
marc a Tue Mar 13, 2012 10:58 pm
joecitizennn wrote:marc a wrote:You will need a sensor from a 2002 Camaro with automatic transmission
Is there a part number for the sensor I can use?
Go to Rock Auto and look up the above car with automatic transmission.
STANDARD MOTOR PRODUCTS Part # SC90 {Click Info Link for Alternate/OEM Part Numbers}
w/ A.T. $17.40
ACDELCO Part # 2131701 {#10456520, 213328, 24225896}
SENSOR,VEH SPD w/4-SPD AUTO TRANS(M30); BOLT ON W/BRACKET $17.41
marc a- Posts : 170
Join date : 2009-07-18
Location : Herndon, Va
Re: Mounting a VSS on a pre 85.5?
joecitizennn Thu Mar 15, 2012 7:31 am
I now have the cam gear and the 2002 camaro VSS on my workbench. Question, is the 2002 VSS compatable with the 1995 LT1 pcm. The PCM is for a caprice automatic.
Second question, The VSS that came with my wiring harness has a different plug than the newer VSS takes. I have the correct plug in my parts bin but It will have to be spliced in. Are the two wires specific in function or can they be swapped?
Second question, The VSS that came with my wiring harness has a different plug than the newer VSS takes. I have the correct plug in my parts bin but It will have to be spliced in. Are the two wires specific in function or can they be swapped?
joecitizennn- Posts : 46
Join date : 2011-11-22
Re: Mounting a VSS on a pre 85.5?
marc a Thu Mar 15, 2012 1:43 pm
I'm sorry but the fact that you are dealing with a LT rather than a LS escaped me. Can't help with the LT.
Last edited by marc a on Thu Mar 15, 2012 6:38 pm; edited 1 time in total
marc a- Posts : 170
Join date : 2009-07-18
Location : Herndon, Va
Re: Mounting a VSS on a pre 85.5?
acorad Thu Mar 15, 2012 6:10 pm
Has anyone cut their cam gear in 1/2 (or perhaps 1/3's even) so that you don't have to get it over the CV when mounting and removing it from the axle?
acorad- Posts : 697
Join date : 2010-12-21
Location : Agoura Hills, CA
Re: Mounting a VSS on a pre 85.5?
Arthropraxis Thu Mar 15, 2012 7:00 pm
I was wondering the same thing.joecitizennn wrote: Are the two wires specific in function or can they be swapped?
Arthropraxis- Posts : 1103
Join date : 2009-09-02
Re: Mounting a VSS on a pre 85.5?
marc a Thu Mar 15, 2012 7:50 pm
They are not interchangeable on the LS series. One is the low signal(Lt Grn/Blk) and the other is the high signal(ppl/white).
marc a- Posts : 170
Join date : 2009-07-18
Location : Herndon, Va
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