Chevy 305 in my 2000 jeep tj? - Page 7 - JeepForum.com
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post #91 of 113 Old 11-25-2013, 04:10 PM
rda616
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Originally Posted by AntiPrius View Post

I'm sure it makes more torque than the stock 4, but yeah, the 305 is a pretty weak motor. I had an ex-girlfriend that had one in a full size Chevy 4x4. That was one of the slowest vehicles I've ever driven. That thing had no power.

Only the later FI 305's made any power at all.
Iirc even the the ho 305 only made 190 hp. 275# ft tq. A stock 5.2 magnum truck motor makes about as much hp and tq as a tuneport camaro 305 did.

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post #92 of 113 Old 11-25-2013, 04:41 PM
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Iirc even the the ho 305 only made 190 hp. 275# ft tq. A stock 5.2 magnum truck motor makes about as much hp and tq as a tuneport camaro 305 did.

I agree. I mentioned a few pages back that the 305 was Chevy's worst V8. I'd never run one.
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post #93 of 113 Old 11-25-2013, 07:45 PM Thread Starter
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I agree. I mentioned a few pages back that the 305 was Chevy's worst V8. I'd never run one.
Stock 4 cylinder in my jeep makes 120hp and 140lbs of torque and the 305 I'm putting in my jeep now makes 165hp and 235lbs of torque. That's almost 100 more foot pounds of torque compared to stock 4 cylinder.
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post #94 of 113 Old 11-25-2013, 07:55 PM
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Originally Posted by DeGusipe View Post

Stock 4 cylinder in my jeep makes 120hp and 140lbs of torque and the 305 I'm putting in my jeep now makes 165hp and 235lbs of torque. That's almost 100 more foot pounds of torque compared to stock 4 cylinder.
And thats only 100 hp and 100# ft tq less than a 5.9 efi motor that would be no more work and less cost to put in.
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post #95 of 113 Old 11-25-2013, 07:58 PM
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Originally Posted by DeGusipe View Post
Stock 4 cylinder in my jeep makes 120hp and 140lbs of torque and the 305 I'm putting in my jeep now makes 165hp and 235lbs of torque. That's almost 100 more foot pounds of torque compared to stock 4 cylinder.
Oh yeah, just a few posts up I mentioned it makes more torque. The RPM in which it does it makes a big difference, but anyway, even though the 305 is weaksauce for a V8, it does, and I would certainly hope it did, make more torque than a 4 banger.

Just a note, the 4.0L Jeep motor makes 190hp and 235lbs of torque.
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post #96 of 113 Old 11-25-2013, 08:23 PM
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This is starting to become almost like free entertainment..
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post #97 of 113 Old 11-25-2013, 08:25 PM Thread Starter
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Oh yeah, just a few posts up I mentioned it makes more torque. The RPM in which it does it makes a big difference, but anyway, even though the 305 is weaksauce for a V8, it does, and I would certainly hope it did, make more torque than a 4 banger.

Just a note, the 4.0L Jeep motor makes 190hp and 235lbs of torque.
You are correct. Found a wrecked TJ 4.0L with a good motor in it for a cheap price. EFI 4.0 vs 305 CARB'D and I think I'm going with the 4.0L. I've been reading like crazy and gathering info. Going with the 4.0L will save me from buying all the adapters, bellhousing and slave cylinder for the 305 plus other things
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post #98 of 113 Old 11-25-2013, 08:38 PM
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I'll bet $50 that you don't do it.

Have you read this: http://www.jeepforum.com/forum/f9/fi...ofiles-402432/...

Rokmen TT, Rokmen control arms, Novak NV241 cable shifter, JKS 1.25" BL + 1" MML.

Anybody can take advice if it doesn't interfere with their plan.

RIP "Prescott 19" Prescott Fire Department
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post #99 of 113 Old 11-25-2013, 08:40 PM
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Trans and t- case too?
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post #100 of 113 Old 11-25-2013, 08:40 PM
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You do actually realize that it is no easier to bolt in the 4.0 that it is to do a 5.2 or 5.9 Magnum motor right? Its the same amount of work...All of the items that need to be changed for the Magnum motors also need to be changed to accomodate the 4.0.

I wish I could understand your thought process on all this but its completely apparent that you haven't thought this through at all.

Good luck...I'm thinking you're gonna need all you can get....
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post #101 of 113 Old 11-25-2013, 09:08 PM Thread Starter
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You do actually realize that it is no easier to bolt in the 4.0 that it is to do a 5.2 or 5.9 Magnum motor right? Its the same amount of work...All of the items that need to be changed for the Magnum motors also need to be changed to accomodate the 4.0.

I wish I could understand your thought process on all this but its completely apparent that you haven't thought this through at all.

Good luck...I'm thinking you're gonna need all you can get....
Those dodge magnum engines are junk and that is the reason I am not going with the magnum engine, sorry.
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post #102 of 113 Old 11-25-2013, 09:08 PM Thread Starter
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Trans and t- case too?
Yes, anything I need is available off of the 4.0 jeep.
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post #103 of 113 Old 11-25-2013, 09:11 PM Thread Starter
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You do actually realize that it is no easier to bolt in the 4.0 that it is to do a 5.2 or 5.9 Magnum motor right? Its the same amount of work...All of the items that need to be changed for the Magnum motors also need to be changed to accomodate the 4.0.

I wish I could understand your thought process on all this but its completely apparent that you haven't thought this through at all.

Good luck...I'm thinking you're gonna need all you can get....
Also I am able to get the 4.0 motor, tranny & tcase all in one swing along with the computer, wiring harness and drive shafts for $700
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post #104 of 113 Old 11-25-2013, 09:28 PM
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Those dodge magnum engines are junk and that is the reason I am not going with the magnum engine, sorry.
No apology needed...

I gather that you got that information from your highly trained and experienced "mechanic" friends right?


Just so it can be said here...the older small block Chrysler motors were some of the most reliable engines produced. With the Magnum
re-design, more HP and torque were available, and improvements were made to even further the reliability of these motors. They were not known as all out powermakers by any means, but they worked and worked well and continue to do so.

In going back to your original plan of a carbed 305, what would indicate that that particuliar setup would be a better and more reliable package than a late model 5.9 Magnum RT engine? Please be specific with your reply as I'm sure that the forum members here who have already done the Magnum conversion would like to be assured that they didn't make a bad decision.

And $700 is a steal for the 4.0 if its a running engine and the trans and t-case are in good condition.
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post #105 of 113 Old 11-25-2013, 09:38 PM
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Originally Posted by DeGusipe View Post
Those dodge magnum engines are junk and that is the reason I am not going with the magnum engine, sorry.
I have to say, those Mopar motors are pretty good. Much better than a 305, among many other motors.
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