The 2000+ Seville side of Ranger's Rods
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Cadillac Seville / Cadillac Eldorado Forum Discussion, The 2000+ Seville side of Ranger's Rods in Past Cadillac Vehicle Discussion; Just back from a 35 mile drive after installing a set of upper engine strut rods as discussed at length ...
  1. #1
    Submariner409's Avatar
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    The 2000+ Seville side of Ranger's Rods

    Just back from a 35 mile drive after installing a set of upper engine strut rods as discussed at length in Deville. Why ? They greatly relieve torque stress on the weak Northstar engine cradle front center mount for starters. Now for the good stuff....

    The entire front end is tighter: remember that the whole drivetrain is suspended on "Cadillac mush rubber". The rods remove a LOT of front-to-back drivetrain movement. Steering is more precise. The change in transmitted engine vibration and mechanical noise is, in my installation, negligible. Braking is quicker, surer, and a slight improvement on top of my EBC total brake install of a month ago. Steering is wonderful - sure and quick - I can play NASCAR driver and scrub my front and rear tires to my heart's content.

    Two hours, start to finish. I made two curved bent galvanized washers to cradle the bottom of the rod in the driver's side lift strap install. A round head carriage bolt in the driver's side frame beam protects the upper coolant hose from chafe. Nylon locknuts all around - a lock washer on the passenger side head fitting & anti-seize. Note that the drop of the crossbeam lip and the radiator retainer bracket on the Seville precludes the Deville through bolt ease on the passenger side.

    Before you start this job, on level ground with the hood open and the engine OFF in P, place your knees against the front bumper and "rock" the car back and forth. Watch the engine movement. Now try it after the torque strut install................heh, heh.

    We're headed out on a 125 mile round trip dinner drive tomorrow eve - any further thoughts will be posted in here.

    AS ALWAYS: Measure twice, cut/drill once !

    1. Driver's side fitting (you can't see it here, but the tube has been carefully squeezed egg-shaped in a vise to allow it to seat in the lift strap)
    2. Measure twice, drill once (this hole goes down at a 5 degree angle through the back of the brace)
    3. Drill and screw
    4. Magnets capture drill chips - not the alternator
    5. Driver's side view (with a bit of eyeball and fitting the strut will lie flat on the brace when tightened)
    6. Passenger side view
    7. Radiator cover installed (Dremel tool metal straight burr and box cutter blade for smooth cutouts)
    8. From passenger side
    9. From driver's side (make sure the upper radiator hose is up in the channel provided in the radiator cover)
    GizmoQ, GizmoQ, Jailtime and 5 others like this.

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    basscatt's Avatar
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    Re: The 2000+ Seville side of Ranger's Rods

    thanks sub - I just ordered a set from Ranger for my 2003 SLS. Your pics will help a lot!

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    Ranger's Avatar
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    Re: The 2000+ Seville side of Ranger's Rods

    Thanks for posting this Sub. Looks like the passengers side has to be modified just a bit from the way I designed them for the Deville. Apparently you did not need the cutout for the Deville radiator mounting bracket. I see you shortened the right side strut beyond that. I'm sure this will be a big help to the Seville guys. Glad to hear you like them.

    Basscatt, yours where shipped today.

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    Re: The 2000+ Seville side of Ranger's Rods

    And yet another project for me......

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    Re: The 2000+ Seville side of Ranger's Rods

    Can't wait until I install mine. Thanks for the great tip!

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    Re: The 2000+ Seville side of Ranger's Rods

    Very good modification that I'll be looking into lol, whats the average cost of this?

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    Re: The 2000+ Seville side of Ranger's Rods

    Quote Originally Posted by maeng9981 View Post
    Can't wait until I install mine. Thanks for the great tip!
    Yours where shipped today as well.

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    Re: The 2000+ Seville side of Ranger's Rods

    Those look just like my install. I see that you drilled through that flange on the passenger side, instead of going over the brace like the driver's side. I puzzled over the passenger side for a while, finally got it into my thick head that I could bolt easily right to that flange.

    You didn't notice an increase in engine noise in the cabin? Mine was significant.

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    Re: The 2000+ Seville side of Ranger's Rods

    Far from the idea of criticizing this mod, but I was just wondering, how difficult it will be to use the same dog bones as the ones used in the up to ’97 Seville, up to ’99 Deville and up to ’02 Eldorado?



    I was just looking at the pictures of a ‘02 Eldorado and I see the old fashion bracket on the passenger side (I would assume the mounting points are avalailable as the engine block is the same), so is just a matter of finding a bracket (hopefully the PS line is no issue). On the driver’s side all I can see is the engine lift bracket is different (not sure about the fuel lines how they would get alone with the bracket though). So the engine side seems fairly easy, but for the body front brace, well I can’t see other way but welding the brackets in place although it looks a lot flimsier than the Eldorado/Older Seville. I am only concerned for the dimensions to be the same.
    The only reason I am thinking on this is the factory look and the fact they do have some give.

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    Re: The 2000+ Seville side of Ranger's Rods

    Quote Originally Posted by N*Caddy View Post
    wondering, how difficult it will be to use the same dog bones as the ones used in the up to ’97 Seville, up to ’99 Deville and up to ’02 Eldorado?
    Looked at dog bones and their mounting brackets in CompNine and GMPartsGiant diagrams. A/C and P/S piping very different: interference. Also appears that the radiator/body cross brace is different in the 2000+ Sevilles; it is radically different from the Devilles. I've never seen a late Eldorado with the plastic radiator sight shield off. Some of the necessary engine threaded holes seem to be missing in mine.

    Someone with a lot more detective in them than I currently have could score a complete rig from a junkyard and do some trial-and-error work................

    Jailtime, I think there might be a slight increase in what I would call a "low hum" but not sure. Whatever, the noise level has not changed appreciably, or for the worse. If it does, I will look at filling the entire front cross brace with insulation foam to damp out any harmonics.


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    Re: The 2000+ Seville side of Ranger's Rods

    I am sure anything is possible with a little good ole Yankee ingenuity, but I never really looked at them and just how to mount them.



    The only reason I am thinking on this is the factory look and the fact they do have some give.
    I can understand the factory look. They do have some play in them. Now don't get me wrong, I don't think that little bit of play is detrimental, but why do you think it is desirable?

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    Submariner409's Avatar
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    Re: The 2000+ Seville side of Ranger's Rods

    Quote Originally Posted by Ranger View Post
    Now don't get me wrong, I don't think that little bit of play is detrimental, but why do you think it is desirable?
    The factory dog bones DO have rubber sound/vibration isolation bushings - a good thing - but that's the part that rots and causes the need to replace dog bones.

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    Re: The 2000+ Seville side of Ranger's Rods

    The only think missing from the rod mods are a polyurethane bushing - just enough to provide a tad bit of isolation. Since I have the dogbones in my '95, and they have a slight amount of play due to wear on the rubber, I was wondering if anyone has run into an acceptable urethane replacement?

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    Re: The 2000+ Seville side of Ranger's Rods

    Quote Originally Posted by submariner409 View Post
    I think there might be a slight increase in what I would call a "low hum" but not sure. Whatever, the noise level has not changed appreciably, or for the worse.
    You hit right on what I'm trying to describe. There's just a bit more rumble from the engine in the cabin (at WOT, mostly). I didn't really notice anything at cruising speeds, and there's definitely no added vibration.

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    Re: The 2000+ Seville side of Ranger's Rods

    Any for my 97 ETC?

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