85 HT4100 Swap

Cadillac Forums | Help Us Help You | Advertise | Cadillac Parts | Cadillac News | Cadillac Classifieds

Cadillac Technical Archive | Cadillac Dealers | Cadillac Reviews | Cadillac Dealer Reviews | Cadillac Vendors

CadillacForums.com is the premier Cadillac Forum on the internet. Registered Users do not see the above ads.
+ Reply to Thread
Results 1 to 2 of 2
HT4100 4.1, 4.5, 4.9 Discussion, 85 HT4100 Swap in Cadillac Engine Discussion; I have the 85 Eld. cursed with the wretched 4100. I'll be stuck with this "thing" for awhile, so i ...
  1. #1
    try2playJAY's Avatar
    try2playJAY is offline Cadillac Owners Member
    Join Date
    May 2005

    85 HT4100 Swap

    I have the 85 Eld. cursed with the wretched 4100. I'll be stuck with this "thing" for awhile, so i may as well tune er' up. I have been doing a bit of research and would like to drop a 350, or a 307 if I had too, in. I really cannot stand putting the pedal to the metal just to pull out of someone on my local roads going 45, on top of having to plan 3-4 secs ahead because of the HORRIBLE stall! I basically HATE the 4100. May as well have a KOHLER 17 hp lawnmower engine under the hood! Anyways, anyone know or have the steps involving removal of the 4100 and swap to 350!? I have "helped" a good friend swap his Honda civic engine with a suped-up Integra type-r engine, so I'm not afraid to do so on my gigantic eldorado! Any info abot such a swap would be greatly appreciated! Also, whats the easiest motor to switch too with the most performance!? My ego demands that I race at every stop-light!

  2. Remove Advertisements

  3. #2
    vlrench is offline Cadillac Owners Member
    Join Date
    Jan 2005

    Re: 85 HT4100 Swap

  4. Remove Advertisements
    Cadillac Forums

+ Reply to Thread

Quick Reply Quick Reply

Register Now

Please enter the name by which you would like to log-in and be known on this site.

Please enter a password for your user account. Note that passwords are case-sensitive.

Please enter a valid email address for yourself.

What Cadillac(s) do you own? (Or type NONE)

Please select your insurance company (Optional)

Your date of birth and age are displayed in several places on the forum. Only the administrator will have access to your date of birth should you choose to hide it via the privacy option below.


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.


Cadillac Posting Rules

  • You may post new threads
  • You may post replies
  • You may not post attachments
  • You may not edit your posts