another 518 question

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another 518 question

Postby 1STGENFARMBOY » Wed Jan 28, 2015 7:13 am

my old soggy 518 is doing something funny, 4 or 5 times now it has seemingly went into a full lock-up mode for a second or 2 when shifting into O/D then unlocks and back to normal O/D, is my converter fixing to crap out ?

Dar
93 W250 STD CAB, AUTO 3.55, GAUGES, 80HP DDP STICKS, DENNY T ,16CM HOUSING, 60MM GILLETT, VE MAXED,BHAF, BHFF, 366 SPRING,P/S INTERCOOLER, TIMS COOLER TUBS, TIMMING 1/8 BUMP,4in TURBO BACK TO DUEL 5IN STACKS,33 12.50 BFG, HOLLEY BLACK, CONVERTER COOMING.
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Re: another 518 question

Postby thrashingcows » Sat Jan 31, 2015 11:16 am

I do not have any experience with the 518's, but why not do the lock up converter conversion written by Angry Johnny over on the DTR. ;)

http://www.dieseltruckresource.com/foru ... ap-318014/
1984/93 Dodge Crewcab, W350, 1 Ton SRW, long box, 330K Km's, M&H spacer, 366 spring, fuel pin to deep side, 14cm housing, Piston LP, PS IC, Isspro Boost, Pyro and tach, NV4500, 29 spline NP205, 3.54's.


Check out the build....http://www.dieseltruckresource.com/dev/ ... 05923.html
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Re: another 518 question

Postby Diesel » Tue Feb 10, 2015 1:23 pm

What do you mean converter locking up? Did you swap the components needed to have lockup? Its not going 3 to 4 I take it?
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Re: another 518 question

Postby txs » Thu Feb 12, 2015 11:01 am

You don't even need to go there unless you want to, has been plenty of lockup conversion discussion threads here. By the way, angry johny is hardly the first on dtr to discuss lockup conversion, I got threads on there going back 10 years on 518 and 727 lockup conversion.
93 w250 6 speed 4" exhaust, caution, work truck, she's no beauty. building 1 ton dually 4x4, dana 80, 48rh, 205 Scratch the one ton, bought frt. dually 4x4 98 12 valve with the tiny rear doors. rides so much better than the 93.
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Re: another 518 question

Postby 1STGENFARMBOY » Tue Feb 17, 2015 10:21 am

no my 518 is stock other than turning up the pressure a bit and adjusting the bands.

it feels like the converter is locking up with no noticeable slip for a second or two after it hits O/D, and then suddenly
goes back to normal operations, it's like the converter stops slipping for a moment.

I am guessing my converter is on the verge of seizing up inside, I have seen them do it before and it will kill the engine.
93 W250 STD CAB, AUTO 3.55, GAUGES, 80HP DDP STICKS, DENNY T ,16CM HOUSING, 60MM GILLETT, VE MAXED,BHAF, BHFF, 366 SPRING,P/S INTERCOOLER, TIMS COOLER TUBS, TIMMING 1/8 BUMP,4in TURBO BACK TO DUEL 5IN STACKS,33 12.50 BFG, HOLLEY BLACK, CONVERTER COOMING.
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Re: another 518 question

Postby cmann250 » Tue Feb 17, 2015 2:28 pm

Seeing how you use the truck (much like me :lol:), I would not be surprised if the converter was ballooned. That generally makes them stall higher. However, when they balloon, there's more room than they need in there so I wouldn't be surprised if stuff moves around.

Good luck. A sick transmission is a head ache.
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Re: another 518 question

Postby classiccarjack » Sun Feb 22, 2015 2:35 am

My A518 started to randomly shift from OD to third and back into OD. It started this about a month ago... After I did a big haul...... After I FORGOT to shut off the OD while hauling....... ugg!

What is strange to me is that it would do this only after I drove it a few miles. When its cold, it wouldn't do it. Being that I got over 300,000 miles on it, I decided to convert over to a A618 to fix this issue. I can't wait to experience Lock Up! Having a properly working tranny would be so nice... LOL

I wish you luck 1stGenFarmBoy, I hope its just something minor, like a solenoid, or a grounding issue. Fixing transmission issues gets expensive real quick....
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