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Old 07-08-2003, 08:32 PM   #1 (permalink)
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350 swap into my xj

I am considering a small block swap into my 93 cherokee. I know i will need the adapter bellhousing and slave cylinder from AA. I need info on headers, exhaust clearance, and cooling. I have a 3 core radiator in it already and i am going to use dual electric puller fans, maybe 3. I am also going to use the ax-15 5 spd manual, ive seen this tranny used behind a small block before and held up well to much abuse.
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Old 07-08-2003, 08:51 PM   #2 (permalink)
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I put a 4.3 chevy in my 85 electric fan would not keep it cool with just the electric so I had to go back to the stock fan & cluth never had the problem agin AA I think make headers for the v-8 they worked great on my v-6 conversion
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Old 07-08-2003, 09:56 PM   #3 (permalink)
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Re: 350 swap into my xj

Quote:
Originally posted by tony 3/4 ton xj
I need info on headers, exhaust clearance, and cooling. I have a 3 core radiator in it already and i am going to use dual electric puller fans, maybe 3.
AA headers are shit...I repeat shit. The tubing is mild steel and too thin, they burn through quickly. The flanges are 5/16, good luck getting those to seal...the set I examined didn't even have flat flanges and they were unused. The collector didn't even have a flange so you'll have to buy some if you pick these up. Last, they posses absolutely no flow dynamics, they are exactly the same as a manifold.

Good luck with the whole 3 fan deal...there isn't much room for 2 healthy fans yet alone 3. I got a clutchless mech fan and 2 elec and I still see high temps...if you can swing it get an Al rad.

Do a damn search there have been many posts regarding this swap and I'm getting tired of repeating myself.
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Old 07-09-2003, 08:43 AM   #4 (permalink)
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Dude,I split an AX-15 in half with a 2.5L!!Ain't gonna hold up to a small block.
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Old 07-09-2003, 09:47 AM   #5 (permalink)
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of course anybody can tear up anything, no matter how strong you build it. but i have seen a wrangler with a mild 350 in it mated to an ax-15 with a centerforce clutch and it held up fine to some crazy dumps off the clutch, the rest of the wrangler didn't hold up so good though (t/c,rearend,driveshafts)
but my xj has been upgraded in the driveline department so i figure it'll hold up to a 350, and the trans will to as long as i dont get to ignorant with it..
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Old 07-09-2003, 09:47 AM   #6 (permalink)
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I used an AX-15 behind a Chevy 350 330HP motor for several years with no problems. I didn't race it but I didn't baby it either.

jeepmauler
Unless the trans was changed in the rig you have it would be a AX-5 which would never hold up.
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Old 07-09-2003, 09:50 AM   #7 (permalink)
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i only do some trail rides not very often and mud bogs, so i am not going to crawl with it and that will help out my drivetrain. not as much stress on it while easin on the street and the occasional puttin the foot to it
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Old 07-09-2003, 10:00 AM   #8 (permalink)
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Old 07-09-2003, 02:52 PM   #9 (permalink)
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what aluminum radiator??? be cool has one same dimensions as stock
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Old 07-09-2003, 04:49 PM   #10 (permalink)
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Quote:
Originally posted by tony 3/4 ton xj
what aluminum radiator??? be cool has one same dimensions as stock
No shit, meatstick...not everybody can afford to blow $500 bucks on an radiator
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Old 07-09-2003, 04:55 PM   #11 (permalink)
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okay where can i get a radiator for cheap at
fuckin meat stick!!!!!!!!!!
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Old 07-09-2003, 07:53 PM   #12 (permalink)
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I found some places that would make you a custom for 300. I opted to just build my own. I got some core stock with a couple of blemishes in it from a local rad shop. Made the header tanks and the inlet/outlet and bought the filler neck. All I gotta do finish welding it up.
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Old 07-10-2003, 06:06 PM   #13 (permalink)
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what kind of headers do you run???
i have heard that the advance adapters headers are crappy??
at least thats what some other people said??
Hedman Tight tubes???
Stock chevy manifolds??
also what about the AA motor mounts are they good??
Solid mounts or what???
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Old 07-10-2003, 08:41 PM   #14 (permalink)
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I got first hand experience with AA headers and they are garbage. They didn't even fit....

The way my motor is placed I don't have much room for headers on the driverside, I searched and searched but couldn't find anything that would fit so I'll be building a custom set when funding allows. So for the time being, manifolds off a 70 camaro.

I don't know what kinda mounts AA is selling now...but when I did my swap I built my own brackets and used stock GM. I don't like solid mounts, too much vibe and problems with the trans and x-case.

If you want more throttle response use stock mounts and build a brace for the top of the motor...kinda like import tuners do it.
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Old 07-10-2003, 09:32 PM   #15 (permalink)
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what kind of throttle cable did you use ??
i am going to run a carb set up and need info on the throttle cable. the stock jeep cable is very long and is mated to the throttle body by a ball deal. Maybe cut off the jeep throttle body bracket and weld it to the carb linkage???
What works??
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Old 07-10-2003, 10:13 PM   #16 (permalink)
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350 in this?

Blocks



Control arm mounts


Last edited by PhatXJ; 07-10-2003 at 10:24 PM.
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Old 07-10-2003, 10:56 PM   #17 (permalink)
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Quote:
Originally posted by tony 3/4 ton xj

what kind of throttle cable did you use ?? how is the exhaust run?
Used one from a 88 k5...however my motor is injected. The throttle cable is least of your worries.

Pass side is just a straight shot back off the manifold. Drv side comes off the manifold, under the oil pan over to the pass side.

Get one of them oil filter relocation doohickies makes more space in there.

Here's the only pic I got of the engine bay...kinda old...but no got a digi camera anymore so you'll have to deal.

@PhatXJ

d00d, a SBC will eat that truck up...so many things would break that I don't want to even begin to count....
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Old 07-10-2003, 11:08 PM   #18 (permalink)
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that thing is
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Old 07-10-2003, 11:24 PM   #19 (permalink)
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FYI, that is Tony's rig.
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Old 07-10-2003, 11:35 PM   #20 (permalink)
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We just saved some pics of it cause we loved it so much

I'm sure Cheap will chime in soon.

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Old 07-11-2003, 01:55 AM   #21 (permalink)
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I don't even know what to say...


except that tony's a fuckstick
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Old 07-11-2003, 05:39 AM   #22 (permalink)
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Quote:
Originally posted by tony 3/4 ton xj
i only do some trail rides not very often and mud bogs, so i am not going to crawl with it and that will help out my drivetrain. not as much stress on it while easin on the street and the occasional pickin up young boys at the mall
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Old 07-11-2003, 06:35 AM   #23 (permalink)
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Tony..can this be done?

I want to drop a 400M into my XJ and fab it up to a C6. I gotta Ford 9" in the rear and the Ford engine/tranny combo would be sweet for turnin' my meats.
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Old 07-11-2003, 01:29 PM   #24 (permalink)
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I have done a 350 swap in my XJ ,too and have had always cooling problems as long the stock radiator was in.

Then I changed to the original Chevy radiator with a electrical cooler with 16.5", now the probs are gone.

First I wanted to cut my frame in the front, but the leaf spring mounts in front are fixed there, so I lenghten the body for 4" .

Look at pics







About the tranny you want to use I have no experience !
I have the TH700R4 .

Show some pics when ready.
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Old 07-11-2003, 03:00 PM   #25 (permalink)
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Quote:
Originally posted by PhatXJ
FYI, that is Tony's rig.
Man, then I hope to hell he does the swap...as it will take that thing of the road and trails real quick.
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