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#1
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What kind of torque conv. for my 360?
Alright, so my motor will be like this...
360 block, bored 30+ 1.88/1.60 heads, competition valve job w/ bowl hog and runners cleaned up Stock reground rods and crank and Windage Tray Stock 4 bbl Intake Manifold topped with a Demon Sizzler TQ 800 and performance air cleaner Keith Black 107 hypereutectic pistons, 9.6:1 compression Comps Cam XE262H 218/224 .462/.470 110 degree Hedmen Shorty Style 1 5/8" headers. (Are these basically the same size as exhaust manifolds, cause they sure look like it, and since room might be a problem) (Could someone run these #'s throguh desktop dyno if they dont mind?) I've got the 904 behind, but since swapping the 318 for the 360, have discovered that the torque converters will not swap. I found this one on ebay http://cgi.ebay.com/ebaymotors/ws/eB...category=33727 in case the link doesn't show up, its a Transtar torque converter that stalls 1900-2200 rpms. What would you guys recommend for my 904. I'm not gonna go for a $400 TCI converter for a good year or so, so I need something affordable until I change the rearend and torque converter next spring. Factory high stall? Stock 360 torque converter? The transtar above? I know my cam will allow me to easily run a stock converter, so I'm kinda leaning towards a stock 360, but any ideas? And what's a peg leg? Just thought I'd throw that in. Thanks guys. |
#2
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Peg leg means non-posi rear end. Good to ask. Lots of people don't know.
Those shorty headers are better than stock manifolds as you do know. But will work much better. Just fine with that cam and compression ratio. You can go with a cam with more lift with that compression ratio if you are thinking of that. Depends on what you're doing with the car. Your choice. Torque converter question; I wouldn't buy one from e-bay. I'd get one from a friend I TRUST. Or a new one. I'd get one with a stall speed of about 2000 - 2400 with that mild of a cam. Once again depends what you are going to do with it. Just drive on the street, hot street use, or some drag racing. |
#3
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Heres a guy that know his stuff. He's also into MoPars. Click below and call him up if ya need to. I have heard VEY good things about Frank.
http://www.dynamicconverters.com/ Did anybody click the link and notice something different about the racer, "Al Corda" and what he's driving! |
#4
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It's a Pontiac. What is the problem? I don't see anything wrong with his choice. Did I miss something? I didn't look thru the site at all.
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#5
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Quote:
Personaly, he can drive what ever he wants and at the cost of racing, if he gets in a Poncho for less or free, that's fine to. At least he's still racing. But for at least a decade, hes been in MoPars. He has raced them and owned them at the same time. Held many records with MoPar and won many championchips with them. No to see a switch, I was (Again) surprised. |
#6
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Oh, ok. Well, you can tell I don't follow drag racing. I've never heard of the guy.
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#7
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FARGO318
Have a DP 360 Offy that will work well with your THQ and a whole lot better than the stock 360 manifold even if it isn't the latest design. send me an email if interested : ritwaylg@hotmail.com
Had a convertor for you until I read again you have a 904. too bad. A Mopar 175K should do the trick nicely for you or you might want to talk to SMR Moptor sports in Bradford, Ont. 1-888-846-6603. |
#8
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With a 360 like your building a Factory High stall converter should stall right about 2,000 RPM and you should be able to get a new (or are they rebuilt) from most transmission shops (like AAMCO) for about $100. With a 360, just make sure it has the correct ballance because the 360 is externally ballanced.
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#9
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Thanks everyone. Any hp guesses?
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#10
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Al Corda turncoat: I guess he must have said to himself If you cant beat Em I'll Join Em. The late model GM cars run real good in NHRA stock eliminator These guys tune them with a lap top computer. The Mopar guys (the factory,Not us enthuisasts) Dont have the tuneability with the late model Dakotas & Rams that run in stock eliminator. The Mopar computer controlled engines are a mystery to most would be racers. and the computers seem to change each model year. There are companies out there that engineer systems to tune the GM cars and keep up with all the changes. Just a fact of life for NHRA Mopar racers. At least they started making new Hemi & Max Wedge blocks & Heads. Welcome to Computer racing 101. Al Corda
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#11
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well my fellow mopar fan this is what i do . i use a /6 convertor out of trucks .been useing them for like 30 yrs . you can get them at the trans warhouse for about 40$they stall about 2200to 2500when behine a v8 . do they last . yes .i also use the trk 1st an reverse drum . it has a bigger band in it .i like the 904 better than the 727 lower 1st gear an 100 lbs lighter. the only thing is there not guite as strong as 727 build wize.i get about 2yrs heavystreet use out of one .
72 prostreetdart mild 340 av times 12.50 street trim |
#12
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6packdart, that sounds absolutely insane! Why is it the /6 stall so high? Does it have to do with conversion factors from 6 to 8 cylinders. Im intrigued! Does it have to be from a truck? Any model years?
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#13
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Torque converters have a given stall for the engine there behind. They react to the amount of torque given to them. When there installed behind a bigger/ more powerfull engine, they will stall higher.
Smae goes for a small block converter behind a big block. |
#14
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NHDriver.... I live up by Al Corda. I have raced at his track, although dont care to much though. Rumor has it around the pits at his track and alot of other places. He didnt go to GM on his own. Mopar asked him to leave....so I hear. Something about not winning as much and then selling parts out the back door. He is a helluva racer though I will give him that. Could work on his people skills some though.
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#15
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So rumblefish, have you heard of this before with successful results?
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