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View Full Version : engine swap options for my chevy powered j10


J.E.E.P
03-22-2005, 11:15 AM
my J truck curently has a dead small block chevy in it. A co-worker has two options for sale. A) chevy 307, 120,000 miles, aluminum intake -200 bucks. Option B) 1988 camaro IROC w/ tuned port injection 305 140,000 miles, runs well, -1000 bucks. I can split the car with a buddy, I take motor, he takes the rest.
I think the 307 is the easier and cheaper route, but fuel injection sounds so nice! Is swaping the ECM and everything over worth it? Also, will a gm diesel bolt up? I would love to see that ohio diesel meeting, but that is a little to far for me.
Thanks for any input -Brian

ironroad29
03-22-2005, 04:12 PM
caddy 500

River Beast
03-22-2005, 10:33 PM
Originally posted by ironroad29:
caddy 500What he said... :D no substitute for cubic inches... pound for pound.. you are a little heavier, but worth every ounce.

Stuka
03-22-2005, 11:18 PM
both those engines are gutless. If you really need a cheap engine, then go for one, and just switch to a better engine when you get the money. But even in camaro's the 305's are gutless, much less a full size jeep that weighs 5000 pounds.

20ozJolt
03-23-2005, 01:27 AM
amc 560 aluminum block :D
i think the guy still makes them....

River Beast
03-23-2005, 02:16 AM
Originally posted by 20ozJolt:
amc 560 aluminum block :D
i think the guy still makes them....Can I use your bank account for financing? :D ;)

fulsizjeep
03-23-2005, 02:35 AM
That 307 will work until you get deeper pockets for a rebuilt pig iron powerplant. ;)

Now that 560... Wadda heck wudda guy do with that in a FSJ? Oh yeah, wadever he wanna dew. :cool:

rampagefsj
03-23-2005, 03:47 AM
quote:
--------------------------------------------------------------------------------
Originally posted by ironroad29:
caddy 500
--------------------------------------------------------------------------------

What he said... no substitute for cubic inches... pound for pound.. you are a little heavier, but worth every ounce.

I like the idea :D . Hey riverbeast, you run a caddy 500 don`t you? I`m interested in one of those for engine rebuilding class. What tranny do you use or do you use an adapter with the origional Jeep tranny?

Crazy_Jeepman
03-23-2005, 11:32 AM
Todd and I use the BOP patern TH400, Todd swapped the guts from his AMC TH400 into a BOP Case. I swapped the TH400 tailshaft for a NP203 into a BOP/Caddy TH400.

blt2krl
03-23-2005, 11:43 AM
Chevy 454 or 350, Options are endless and pricing is fantastic.

J10/J20 Project
03-23-2005, 12:08 PM
Is the caddy 500 just a 472 bored out?
Crazy, I thought you liked the 455's?

Crazy_Jeepman
03-23-2005, 12:18 PM
472 and 500 have the same bore of 4.30, 472 has a 4.060 stroke and the 500 has a 4.304 Stroke. Yup I do Like the 455's, but decided to go with the 500

J10/J20 Project
03-23-2005, 12:31 PM
alittle more low end than the 455? those must pull like nothing else.

[ March 23, 2005, 07:33 PM: Message edited by: J10/J20 Project ]

J.E.E.P
03-23-2005, 01:15 PM
Man! You guys sure do like your BIG big blocks. My point of view on the matter is (J.ust E.nough E.ngine P.ower). That keeps you from breaking stuff, I like my dana 44's, and dont want to go to 60's. 200 hp and 230 ft lbs. are my ideal numbers. The caddy option is very cool, just not for me. My last j truck had a 258 with 230,000 miles on it with 39.5 tsl's, and it worked. Thanks for the input! -Brian

Desert Beast
03-23-2005, 03:22 PM
454 man, like RB said theyres no replecement for displacement.

i love my FI454. throw a TBI FI on it and youll have fun all day long. i was amazed at the torque of the 454 when i took it to the hammers.

Big Block Baby.

----edit----
ya i didnt want to go w/ 60's either, they are too weak. :D :D

[ March 23, 2005, 10:23 PM: Message edited by: Desert Beast ]

River Beast
03-23-2005, 11:05 PM
I guess Pete answered all your Q's on the caddy... he's the 'CADDY DADDY' in my book.. I gota 99.9% of my info for my swap from Pete....

Desert Beast
03-24-2005, 04:28 AM
Originally posted by River Beast:
he's the 'CADDY DADDY' in my book.. at least we now know who your daddy is. :D :D

ironroad29
03-24-2005, 12:03 PM
i need some mounts !!! and a pass side drop axle so i can use a GM 205

[ March 24, 2005, 07:03 PM: Message edited by: ironroad29 ]

Getmuddy2001
03-24-2005, 02:48 PM
Dang..looks like iv been out cubed..what kinda horses are those monster blocks pulling? Iv been kicking the idea around about stroking the 440..499 ci...and id have an inch to grow on..