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Another 3.5 swap thread

Old Jan 25, 2010 | 08:54 PM
  #121  
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Originally Posted by Crusher103
Can anybody walk me through this damn throttle body? i honestly cant figure it out.
Honestly man, if you have a few bucks to spare, hitup stephen max and tell him to make you an adapter plate, cuz its a mission to get the TB rig working, its been like a year or so and im still having issues with my tps.

Basically you need a 3.0TB to take apart, u take out the motor from the 3.5TB, and just play around with it, i didnt follow any instruction just tried different things. its not too hard, gotta be creative. here are some pics.







Old Jan 26, 2010 | 04:52 AM
  #122  
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I knew all the issues many had with the TB, and how they had to rig it, and honnestly most of them looks a bit shady and like it would fall apart of day, or atleast come loose...


I spent the money and bought the adapter plate and Pathfinder throttle body and called it a day.
Old Jan 26, 2010 | 01:39 PM
  #123  
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Originally Posted by MDeezy
I knew all the issues many had with the TB, and how they had to rig it, and honnestly most of them looks a bit shady and like it would fall apart of day, or atleast come loose...


I spent the money and bought the adapter plate and Pathfinder throttle body and called it a day.
+1. Converting it should be a temp solution at best.
Old Jan 31, 2010 | 02:10 AM
  #124  
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Originally Posted by MDeezy
I knew all the issues many had with the TB, and how they had to rig it, and honnestly most of them looks a bit shady and like it would fall apart of day, or atleast come loose...


I spent the money and bought the adapter plate and Pathfinder throttle body and called it a day.
mine never came loose
Old Jan 31, 2010 | 05:49 AM
  #125  
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Originally Posted by diymaximakid
mine never came loose
no but you did have issues with it randomly....
Old Jan 31, 2010 | 07:11 AM
  #126  
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Originally Posted by MDeezy
no but you did have issues with it randomly....
not with the mount. my soldering sucked way back then. that caused the one issue. and other time was when i decided to fix something that wasnt broke lol.

But to each there own.

FYI: You can run without a throttle sensor on the car. It just does the whole srt4 engine braking grugle thing.
Old Jan 31, 2010 | 07:14 AM
  #127  
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oh yea it was your TPS that was acting up.

it can be converted,and the more you understand how to do it you can get more creative with it. I've seen the excellent convertions and they used good part to the point where it almost looked factory.

I had little Patience and extra money. so I got the adpater and a pathy..
Old Jan 31, 2010 | 07:39 AM
  #128  
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Originally Posted by MDeezy
oh yea it was your TPS that was acting up.

it can be converted,and the more you understand how to do it you can get more creative with it. I've seen the excellent convertions and they used good part to the point where it almost looked factory.

I had little Patience and extra money. so I got the adpater and a pathy..

yep they dont call me diymaximakid for nothing. lol.
Old Jan 31, 2010 | 07:40 AM
  #129  
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in a sense most of us a diymaxima people....


and who called you that? thought you gave yourself that name?

Still a bastard for doing the swap before I got to do it....
Old Jan 31, 2010 | 09:00 AM
  #130  
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Originally Posted by MDeezy
in a sense most of us a diymaxima people....


and who called you that? thought you gave yourself that name?

Still a bastard for doing the swap before I got to do it....


lol I did but they sound so much better lol.

Hater. stop moving so slow then.
Old Jan 31, 2010 | 09:40 AM
  #131  
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Originally Posted by MDeezy
oh yea it was your TPS that was acting up.

it can be converted,and the more you understand how to do it you can get more creative with it. I've seen the excellent convertions and they used good part to the point where it almost looked factory.

I had little Patience and extra money. so I got the adpater and a pathy..
Yes, and if the TPS comes loose and the little tab gets misplaced and doesn't move with the throttle, good luck getting it to start. I spent like a month troubleshooting my car to get it to start. I replaced both crank sensors and cranked it over so much that the fuel washed the oil off the cylinder walls and I got low compression. I got to the point that I almost was going to tear it down to verify the cam timing.

I eventually got it started by push starting it, but it wouldn't rev above 1500rpm, IIRC. I then looked through the service manual and found out about the TPS that way.
Old Jan 31, 2010 | 09:45 AM
  #132  
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well today i just figured out my TB i will take it apart and take pictures and make are thread about how to convert it.
Old Feb 1, 2010 | 02:02 AM
  #133  
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Originally Posted by Crusher103
well today i just figured out my TB i will take it apart and take pictures and make are thread about how to convert it.
there are already threads about it.... search foo...
Old Feb 1, 2010 | 05:33 AM
  #134  
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4 months later...
Old Feb 1, 2010 | 07:08 PM
  #135  
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Originally Posted by bigleman
4 months later...
............
Old Mar 1, 2010 | 07:05 AM
  #136  
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excuse of the day: dead battery
Old Mar 1, 2010 | 07:16 AM
  #137  
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ok how is it an excuse when the battery is going to be exchanged today.
Old Mar 1, 2010 | 07:16 AM
  #138  
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5 months later....
Old Mar 1, 2010 | 07:59 AM
  #139  
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Hmm maybe you'll break my record of the longest 3.5 swap ever. lol
Old Mar 1, 2010 | 08:41 AM
  #140  
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well got some charge in the battery, and it seems i dont have spark.
Old Mar 1, 2010 | 12:15 PM
  #141  
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any ideas on what to do for no spark?
Old Mar 1, 2010 | 12:45 PM
  #142  
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Just sayin' ..
Old Mar 1, 2010 | 12:47 PM
  #143  
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ok guys enough i need an answer to this question.
Old Mar 1, 2010 | 12:49 PM
  #144  
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Originally Posted by Crusher103
ok guys enough i need an answer to this question.
Have you installed spark plugs?
Old Mar 1, 2010 | 12:51 PM
  #145  
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seriously? wtf? why would i not install the spark plugs.
Old Mar 1, 2010 | 12:54 PM
  #146  
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because its you.

do you have them installed or not?
Old Mar 1, 2010 | 12:55 PM
  #147  
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Old Mar 1, 2010 | 04:05 PM
  #148  
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Seriously all jokes aside, can somebody chime in on why im not getting spark, my plugs are wet, so fuel is there but nothing with the spark, not even a cough.
Old Mar 1, 2010 | 04:09 PM
  #149  
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Originally Posted by Crusher103
Seriously all jokes aside, can somebody chime in on why im not getting spark, my plugs are wet, so fuel is there but nothing with the spark, not even a cough.
Take a jumper cable and ground out the ground wires in front of the intake manifold directly to the battery.
Old Mar 1, 2010 | 04:10 PM
  #150  
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Originally Posted by Weimar Ben
Take a jumper cable and ground out the ground wires in front of the intake manifold directly to the battery.
will this be bypassing something?
Old Mar 1, 2010 | 04:41 PM
  #151  
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Originally Posted by Crusher103
will this be bypassing something?
Uh, no. The 4 ground wires coming off the engine harness in the front need a really good ground. They need to be pristine. Clean them with sandpaper or scotchbrite if you have to. They should be grounded to a nice, shiny, and clean piece of metal somewhere on the engine.

On that same note, the ground wire connecting to the engine from the battery should be cleaned up really well too.

Also, I hope you grinded away some metal on the upper oil pan so that the crank sensor in between the motor and the tranny can read the flywheel.
Old Mar 1, 2010 | 04:44 PM
  #152  
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Originally Posted by Weimar Ben
Uh, no. The 4 ground wires coming off the engine harness in the front need a really good ground. They need to be pristine. Clean them with sandpaper or scotchbrite if you have to. They should be grounded to a nice, shiny, and clean piece of metal somewhere on the engine.

On that same note, the ground wire connecting to the engine from the battery should be cleaned up really well too.

Also, I hope you grinded away some metal on the upper oil pan so that the crank sensor in between the motor and the tranny can read the flywheel.
hmmm, i wouldnt think that i to would be the grounds, if i wasnt getting fuel then i would say maybe its the grounds but since the coilpacks are incased in plastic and the valve covers are also plastic im not sure how much grounding will help, i also have an aftermarket grounding kit grounding the intake manifold.

i'll give it a shot thou.
Old Mar 1, 2010 | 05:02 PM
  #153  
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Check your crank sensor.
Old Mar 1, 2010 | 07:44 PM
  #154  
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Originally Posted by bigleman
Have you installed spark plugs?
i literally lol'd..... during the last dek swap we (i) did, one of the guys put 5 spark plugs in...we couldnt figure out why the 3rd cylinder coil pack was pulsing up and down when we tried to crank it.


but yeah, that same engine swap didnt start for a while, make sure those grounds in front of the manifold are grounded properly, we used the timing chain cover.
Old Mar 1, 2010 | 07:48 PM
  #155  
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Originally Posted by Crusher103
hmmm, i wouldnt think that i to would be the grounds, if i wasnt getting fuel then i would say maybe its the grounds but since the coilpacks are incased in plastic and the valve covers are also plastic im not sure how much grounding will help, i also have an aftermarket grounding kit grounding the intake manifold.

i'll give it a shot thou.
The coil packs are grounded out through the spark plug. The crank and cam sensors CONTROL the spark. That's how the ECU knows when to fire a given cylinder. IF the ECU is not picking up data from these sensors due to a failed sensor or bad ground, it will not fire. The crank sensor in between the tranny and motor is not grounded through the mounting of it, but actually though the ground wires near the front of the IM.

I have no idea what your setup is of your aftermarket grounding kit. But I can't stress enough how absolutely imperative it is that these small little ground wires have a really good ground.

Also clean the ends of the crank and cam sensors. Sometimes they get bits of metal on them since they all have magnets on them.

Based on the pictures you posted, it looks like you're using the VQ35 upper oil pan. Did you shave the 1/4" of metal away so that the crank sensor can read the flywheel??

Last edited by Weimar Ben; Mar 1, 2010 at 07:56 PM.
Old Mar 1, 2010 | 08:00 PM
  #156  
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I still say that he forgot the spark plugs
Old Mar 1, 2010 | 09:49 PM
  #157  
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Originally Posted by Weimar Ben
The coil packs are grounded out through the spark plug. The crank and cam sensors CONTROL the spark. That's how the ECU knows when to fire a given cylinder. IF the ECU is not picking up data from these sensors due to a failed sensor or bad ground, it will not fire. The crank sensor in between the tranny and motor is not grounded through the mounting of it, but actually though the ground wires near the front of the IM.

I have no idea what your setup is of your aftermarket grounding kit. But I can't stress enough how absolutely imperative it is that these small little ground wires have a really good ground.

Also clean the ends of the crank and cam sensors. Sometimes they get bits of metal on them since they all have magnets on them.

Based on the pictures you posted, it looks like you're using the VQ35 upper oil pan. Did you shave the 1/4" of metal away so that the crank sensor can read the flywheel??
yea im going to check the grounds, i didnt think about what i said before i posted, but it makes sense for the grounds to go through the spark plugs. I was just in a little rush to get see if this thing would fire up and it confused me why there is no spark. the ECU cuts fuel not ignition if something is wrong.

i cleaned the sensors before i put them in, my CrankPOS had a few metal shavings on it. and yea it is using the VQ35 upper pan. so it looks like i have alittle work to do. 1/4" isnt much shouldnt take long.
Old Mar 1, 2010 | 09:51 PM
  #158  
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Originally Posted by Crusher103
Seriously all jokes aside, can somebody chime in on why im not getting spark, my plugs are wet, so fuel is there but nothing with the spark, not even a cough.
Originally Posted by bigleman
I still say that he forgot the spark plugs
cmon man seriously.
Old Mar 2, 2010 | 06:05 AM
  #159  
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+ 1 to those grounds. I've experienced the same thing during a couple swaps. They are that imprtant.

If you have an AFC (or anything hardwired to the ECU if i'm not mistaken), It wont turn on when you try to crank the car up if these wires are not grounded properly. Just a a tip to help with trouble shooting.
Old Mar 2, 2010 | 06:09 AM
  #160  
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Spark plugs

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