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  • March 29, 2023, 03:59:35 PM

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Author Topic: 4.0 stroker replacement  (Read 451 times)

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Offline rmick

  • Eagle Sport
  • ****
  • Posts: 365
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4.0 stroker replacement
« on: August 19, 2022, 08:28:40 PM »
Well looks like I need to replace my tired 258. Broke a piston skirt. Looking at a 4.0 stroker as a replacement engine. Any one have any experience with this been looking at crate engines from different sources. Hope just swap my accessories and bolt back into place. Any recommended vendors?
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72 Javelin AMX
72 Javelin SST
72 Gremlin with 4.0
81 SX 4

Offline djm3452004

  • Eagle
  • **
  • Posts: 103
  • Thumbs Up 15
Re: 4.0 stroker replacement
« Reply #1 on: August 19, 2022, 09:04:46 PM »
Quote from: rmick on August 19, 2022, 08:28:40 PM
Well looks like I need to replace my tired 258. Broke a piston skirt. Looking at a 4.0 stroker as a replacement engine. Any one have any experience with this been looking at crate engines from different sources. Hope just swap my accessories and bolt back into place. Any recommended vendors?



AVOID Promar Engines out of NJ.  Have had a number of serious issues with a rebuilt 258 from them that resulted in a lot of hassle.  I can elaborate if you need details but don't feel like boring anyone by writing a book.  I finally built my own motor that I'm in the process of breaking-in right now.
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Current Project: 1983 Eagle Wagon 258
Past AMC Project(s):  1979 Spirit Liftback 232
                                1968 Ambassador 287

Offline amcfool1

  • Eagle Limited
  • *****
  • Posts: 618
  • Thumbs Up 31
Re: 4.0 stroker replacement
« Reply #2 on: August 19, 2022, 11:32:29 PM »
hi, if you have deeep pockets, check out Newcomer Racing in NC.  :)  btw, keep your Eagle oil pan!   good luck,  gz
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Offline rmick

  • Eagle Sport
  • ****
  • Posts: 365
  • Thumbs Up 34
Re: 4.0 stroker replacement
« Reply #3 on: August 20, 2022, 09:54:03 AM »
Sorry no deep pockets unless folks want to donate for the cause. Was looking at these guys. https://www.sandjengines.com/searchproducts/enginesearch/288
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72 Javelin AMX
72 Javelin SST
72 Gremlin with 4.0
81 SX 4
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