Can my T-150 handle a strong 360? - JeepForum.com
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Unread 08-31-2012, 05:52 PM   #1
johnnyray401
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Can my T-150 handle a strong 360?

I'm just curious as to how much a t-150 transmission can handle. I assume it is in stock form in the Jeep, and was behind a stock 304. We just happened to have a strong, maybe not even completely broke in yet, 360 in a dying J-10. Its got a good RV cam in it, performer intake, and the jeep has full length headers.

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Unread 08-31-2012, 07:54 PM   #2
row684
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The go to source for what works and what doesn't for jeep drivetrains is Novak-adapt.com, there knowledge section is awesome.

"The Borg-Warner T150 transmission was the three-speed transmission found in 1976 to 1979 Jeeps. It is a good transmission when well maintained and has often been adapted to V8 and V6 power.
Rated at medium-duty, the T150 is stronger than its compact size may suggest. Though it only holds a candle to the truck style four-speeds' strengths and capabilities, the T150 is frequently retained in CJ Jeeps when married to mild GM V6 and V8 power. It is regarded as the second strongest of all the Jeep three-speeds, second to the Jeep T15."

I'm not 100% on this but I don't think the full size Jeep headers work in a CJ, something about the drivers side engine mount. Anyone know for sure about that? Worse case you'd have to use the 304 manifolds or headers made for a CJ. I have a 360 with the same setup your talking about, intake and headers, it's pretty sick!
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Unread 08-31-2012, 08:58 PM   #3
johnnyray401
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Yeah, i had read that, its a little vague, but gives me at least a little idea. I'm still wondering how hard i can run it with that 360. sounds like i might be putting a bit more power through it than what its talking about there. The headers are cj outside the frame headers that were already in it, no worries there.
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Unread 08-31-2012, 10:09 PM   #4
hutch1200
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IMHO, without reserve, use it until you can bolt up a T-18 w/a Novak T-case adapter. Shop around for the Ford that has the shorter mainshaft. I'm not sure the T-18 from a CJ has the short mainshaft. Anybody? Bueller?
Again, it depends if you're doing technical rocks, Malling or spinning through mud.
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Unread 09-01-2012, 01:06 AM   #5
RobsCrawlin7
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another option is an NP435, I love mine.
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I used Marvel once before I took my Jeep out on the trails. I didn't get stuck all weekend so I guess it works.
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Unread 09-01-2012, 01:54 AM   #6
Al_77cj5
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t150's are a dime a dozen. If it doesn't hold up to the power of the 360 it shouldn't be a big deal. By then you will either have the trans you want to adapt, or have found a back up t150. Look at the bright side if it brakes you will get to spend more time working on your jeep.
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Unread 09-01-2012, 02:24 AM   #7
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It will hold up. it depends a lot on how you drive. If you drive reasonably, it shouldn't be a problem.
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Unread 09-01-2012, 02:54 AM   #8
hutch1200
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If I had it to do over I'd go NP435. The T-18 is the same slow shifting, bus trans as the 150 only w/a granny low! HUGE gap between 1 & 2nd.
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Unread 09-01-2012, 07:00 AM   #9
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Quote:
Originally Posted by RobsCrawlin7 View Post
THE ONLY option is an NP435, I love mine.
There I fixed it!

Let's not kid ourselfs, I have a well warmed over 360 as well and unless you have done some serious head work you aint making that much power. Sure it feels like it is cause either you have it in something light with a gear or frankly you are not familiar with real power (no offense). The T-150 should be fine, of course depending on your driving style and conditions. I would run it til it popped and have a plan for an upgrade in the future or if you are the money be damned do it once type then go with the 435 you wont be disappointed.
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Unread 09-01-2012, 10:11 AM   #10
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Mopar, I have well over 50 hours of pro porting in my heads. Worth the time/money. But now that I've got killer power, I can read the paper between gears w/my T-18! Tough, but I really want something w/o that huge gap between 1-2nd. Crawling down a rocky trail, not climbing cliffs mind you, is an effortless joy w/granny though!
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Unread 09-01-2012, 12:41 PM   #11
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Quote:
Originally Posted by hutch1200 View Post
If I had it to do over I'd go NP435. The T-18 is the same slow shifting, bus trans as the 150 only w/a granny low! HUGE gap between 1 & 2nd.
Umm, the NP435 is almost identical to the slow shifting, bus trans that the T18 is, only with a larger gap between 1st and 2nd (NP435 is 6.68 to 3.34 vs 6.32 to 3.09 on the T18). Not that it really matters because you don't really use first gear with either transmission in non-off road driving.

I'd run a T150 with a 360 all day long.
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Unread 09-01-2012, 02:55 PM   #12
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Thank you CSP. I never really researched it, since I figured my T-18 would outlast me! And everybody who has an NP435, raves about 'em. Oh well. Any ideas as to an HD , quick shifting, stick tranny us Mall clowns can use? W/o going SBC?
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Unread 09-01-2012, 06:31 PM   #13
mopar346
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Originally Posted by hutch1200 View Post
Mopar, I have well over 50 hours of pro porting in my heads. Worth the time/money. But now that I've got killer power, I can read the paper between gears w/my T-18! Tough, but I really want something w/o that huge gap between 1-2nd. Crawling down a rocky trail, not climbing cliffs mind you, is an effortless joy w/granny though!
And you sir may have a STRONG 360, the engine is solid just the heads in their stock forms don't flow that well as I understand it, I have never really checked the flow number on them. Did you by chance get any flow numbers on yours? I would be interestedd in seeing them and it the ports were blue printed or documents I would LOVE to have that info, might not ever use them but if some one know what to do with them it is always a great starting point for any porter.
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Unread 09-01-2012, 09:56 PM   #14
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I bought them from a guy on an AMC board from Wash state almost 2 years ago. I lost a set he had on Ebay ($1500-ish, IIRC), and he said he could do up a better set, complete for a few bucks more. Heads were all he did. Somewhere in my pile of papers I do have the info on them. And, unfortunately I have the time to look for it. I used to be able to spout the #s right off, because I was so proud of them! The engine was the 1st thing I blew bucks on. Paint can wait! They kinda wow'd the machine shop guys!
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Unread 09-02-2012, 07:11 AM   #15
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Cool.
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