304 Vs. 302 - Off-Road Forums & Discussion Groups
Jeep-Short Wheelbase All discussion of short wheelbase Jeeps: CJ, TJ, YJ and JK

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post #1 of (permalink) Old 01-04-2001, 05:55 AM
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304 Vs. 302

hey

I was just wondering if the AMC 304 or Ford 302 was the better motor since both are in the 5 liter category. My friend thinks god blessed henry ford and all the subsequent vehicles his company has ever produced so I just wanted to end the arguement once and for all..

thanks

"To go off-road or not to go off-road?"
Now thats a stupid question!

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post #2 of (permalink) Old 01-04-2001, 06:44 AM
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Re: 304 Vs. 302

My $0.0187352 is: The longer the stroke, the more lowend torque. I think thats what works better off road. Also it might be easier to find a 302 and performance parts for it.

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post #3 of (permalink) Old 01-04-2001, 06:56 AM
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Re: 304 Vs. 302

I've built several 302's( both winsor and boss) and a couple 304's. If I had tranny and transfer parts for both
I would go with the 302. The 304 can be built into a good runner. The problem I"ve seen with every 304 I took
apart is the bridge for the rockers have been broken and they tend to wear there.


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post #4 of (permalink) Old 01-04-2001, 07:50 AM
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Re: 304 Vs. 302

I don't know anything about the 304. But I think I would lean toward the factory AMC set-up. I love the power and performance of my 302. But I had a lot of head scratching and doodling on napkins to get it to work. I would think that a re-built 304 with a mild cam upgrade would be a lot easier. And with the factory set-up, you'd be able to buy a lot of your parts "off the shelf".

But half the fun is building it the way you want it, right?

DREW
IN2DEEP <font color=red>78 CJ5</font color=red> <font color=blue>302 FORD </font color=blue> [img]/wwwthreads_images/icons/shocked.gif[/img] <font color=red> T176/D300 REAR ARB 35" BFGS </font color=red>
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post #5 of (permalink) Old 01-04-2001, 10:33 AM
 
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Re: 304 Vs. 302

I'm a chevy guy but I have to admit that the 302 is a nice motor that can be built to perform in various categories. It's cheaper to rebuild that a 304 also.

[img]/wwwthreads_images/icons/cool.gif[/img] Big Ed
<font color=red>'88 YJ, 4" susp,3" body,35's,283 Chevy V8,TH350,4.11's,D30,D35c</font color=red>
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post #6 of (permalink) Old 01-04-2001, 03:29 PM
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Re: 304 Vs. 302

302 all the way. Much better motor. Parts are easier to get and cheaper.
Also the oiling system for the 304 is a total P.O.S. I personally know 2
guys with 302's and thier Jeeps are awesome.

Gary
post #7 of (permalink) Old 01-04-2001, 03:45 PM
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Re: 304 Vs. 302

The 304 is easier to put in a Jeep, being stock and all, but you asked which motor is better. 302, no questions. Stonger, easier and cheaper to find parts for, fuel injection is easy to get, better lubrication system, thicker cylinder walls, better valve train, the list goes on and on.

'74 CJ-5, 258, NP435, D44 w/LockRite
(OK, well the np435 is in the garage next to the Jeep)
post #8 of (permalink) Old 01-04-2001, 04:37 PM
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Re: 304 Vs. 302

WOW!! You guys are making me feel much better about my 302. I grew up on Fords, and this was just a natural step. I was always tickled with the way my jeep performed. But I assumed that the 304 was pretty compatible.

Thanks!!

DREW
IN2DEEP <font color=red>78 CJ5</font color=red> <font color=blue>302 FORD </font color=blue> [img]/wwwthreads_images/icons/shocked.gif[/img] <font color=red> T176/D300 REAR ARB 35" BFGS </font color=red>
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post #9 of (permalink) Old 01-04-2001, 05:27 PM
 
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Re: 304 Vs. 302

the 304 is prettydog like in my opinion, BUT if you have a jeep with a 304, then its really easy to have a Jeep with a 360 or 401.

and those engines are WAAY cooler than a measly 302..haha
302s are GREAT engines, id say whatever you have already and whatever fits into your drivetrain plans.



OzarkJeep

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post #10 of (permalink) Old 01-04-2001, 05:39 PM
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Re: 304 Vs. 302

I would go with the 302 for sure. You can find mustang 5.0s for under a grand with everything. That is a great motor and has after market everything....

Anyone done anything with a Ford 4.6? This is the new GT motor and is used in Expeditions, Mustangs, F150s. Does the new 4.6 put out more HP/Torque than the mustang 5.0 HO engines? I know the new suburbans come with a 5.3 compared to the 5.7 (I know, you really can't call a Chevy 350 a 5.7 can you?). Plus, the newer ones have more power...

I've seen some fairly new complete 4.6 ford engines for sale for about $1500.



-raymo
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