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86 2m4 2.5L project by TheDuke
Started on: 09-02-2018 03:01 PM
Replies: 45 (560 views)
Last post by: TheDuke on 09-08-2018 09:01 AM
Patrick
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Report this Post09-07-2018 01:11 PM Click Here to See the Profile for PatrickClick Here to Email PatrickSend a Private Message to PatrickEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by TheDuke:

As for the engine, I'm aware that pretty much everyone on here thinks the duke is not worth it and it's a better idea to swap engines but I am not interested in doing that...


You're the one who mentioned the "swap" word first, in your opening post.

The duke will be fine for your son. I enjoyed driving my '84 (with a transplanted 5-spd). Heck I even autocrossed it for a couple of years. What several of us are warning you about is throwing money at a duke and perhaps expecting too much of a performance return on your investment. Remember, a bone stock 2.8 is 140 HP... and it's very doubtful you'll get a re-worked duke to run reliably at anywhere near that output.
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TheDuke
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Report this Post09-07-2018 01:22 PM Click Here to See the Profile for TheDukeClick Here to Email TheDukeSend a Private Message to TheDukeEdit/Delete MessageReply w/QuoteDirect Link to This Post
The guy I bought it from has one he put a Cadillac 500ci in
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TheDuke
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Report this Post09-07-2018 02:35 PM Click Here to See the Profile for TheDukeClick Here to Email TheDukeSend a Private Message to TheDukeEdit/Delete MessageReply w/QuoteDirect Link to This Post
I did say swap in that I said I wasn't doing that, you had me wondering, I had to go back and look. In any event I wanted to pull as much as I could out of it, turns out depending on who you listen to there are claims of 200+hp builds. Which is to say it's possible to do, but what I'm gathering is that it makes it a very short lived increase. I'm pretty sure after reading all that I can on here about 2.5 builds, which isn't nearly as extensive as swaps, that 120hp still gives you reliability and longevity. Would that be pretty widely confirmed?
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Wraith177
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Report this Post09-07-2018 03:33 PM Click Here to See the Profile for Wraith177Send a Private Message to Wraith177Edit/Delete MessageReply w/QuoteDirect Link to This Post
I did some looking around at one point, they did make a “super-duty” Dukie. While there certainly isn’t an aftermarket for duke like ther is for an LS engine, But an engine is like an air pump; increase air and fuel for more power. I know there is a few pages on the internet with some good duke upgrade starting point.
I agree, everyone needs to learn manual. It’s still cheaper and better in this internet persons opinion. As to future swap, a 3800 with a supercharger is crazy good, cheap swap, and fits well.
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Patrick
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Report this Post09-07-2018 08:46 PM Click Here to See the Profile for PatrickClick Here to Email PatrickSend a Private Message to PatrickEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by TheDuke:

I'm pretty sure after reading all that I can on here about 2.5 builds...


Just in case you missed anything, have a look Here and Here.

There are no doubt plenty of other threads (found by using different search terms), but this should keep you out of trouble for awhile.
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TheDuke
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Report this Post09-08-2018 09:01 AM Click Here to See the Profile for TheDukeClick Here to Email TheDukeSend a Private Message to TheDukeEdit/Delete MessageReply w/QuoteDirect Link to This Post
Wow Patrick, your search bar must have gone to school longer than mine. Those are really good posts, thanks.
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