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Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Transmission - Rearend> Optimizing V6 performance, Infront of a T-400 TRANS.
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Topic Review (Newest First)
06-09-2012 02:11 AM
0trbo4myCHEVUICK no no its not.. i wish it was. We were speaking about "warmed over" 305's spanking the 3.8.. but a warmed over 3.8 means turbo charged!
06-08-2012 04:39 PM
cobalt327
Quote:
Originally Posted by 0trbo4myCHEVUICK
No way, turbo 3.8 over 305 any day!
I don't recall you saying your engine was turbocharged. That changes everything.
06-08-2012 03:50 PM
0trbo4myCHEVUICK No way, turbo 3.8 over 305 any day!
06-08-2012 03:31 PM
cobalt327
Quote:
Originally Posted by 0trbo4myCHEVUICK
whats "warmed over to you?" I was actually pretty suprised how well the little v6 gets my truck around.. better than a 305 anyways.
Better than some stock SBC 305s, but a good or "warmed over" 305 will spank the little V6, I can assure you. After all, we're talking about a 74 ci difference in displacement...
06-08-2012 12:45 PM
0trbo4myCHEVUICK
Quote:
Originally Posted by boatbob2
Hi,i have a warmed over Buick 231 in my 83 Toyota pickup,its dependable,but not a fast motor,AND my truck is a LOT lighter than yours.i think a 350 SB is the way to go. (i have that engine in my 83 C-10,with a 700R4.)

whats "warmed over to you?" I was actually pretty suprised how well the little v6 gets my truck around.. better than a 305 anyways.
06-08-2012 12:42 PM
0trbo4myCHEVUICK Oh yeah thats a relief, no custom driveshaft.. Still gotta find one at pick n pull that will work, the current is too long.
06-08-2012 12:40 PM
0trbo4myCHEVUICK yes U-joints are next.. 12 quarts of lucas and new freeze plugs came in today... Now theres no excuse for my *** to be on this couch..... shucks.

<--wife
06-07-2012 11:21 PM
cobalt327
Quote:
Originally Posted by 0trbo4myCHEVUICK
thx cobalt.. went with your advice and got the stock tc.. sure it'l work out! Am i gonna have to get a custom driveshaft? Is there any way to make up for the 1/8" adapter plate? grind the yoke down?
There is enough engagement between the output shaft and yoke to compensate for the thickness of the adapter plate so you don't need to do anything to the driveshaft. I would be sure the U-joints are good since you have it out anyway.

Be sure to use the washer/spacers between the flexplate and torque converter to space it properly to compensate for the adapter thickness. That should be covered in the instructions.
06-07-2012 11:10 PM
0trbo4myCHEVUICK thx cobalt.. went with your advice and got the stock tc.. sure it'l work out! Am i gonna have to get a custom driveshaft? Is there any way to make up for the 1/8" adapter plate? grind the yoke down?
06-06-2012 01:08 AM
cobalt327 Fluid totally mixes/circulates throughout the trans and TC.
06-05-2012 10:56 PM
0trbo4myCHEVUICK going to the junk yard tomorrow to hunt a yoke and maybe a driveshaft??
06-05-2012 10:55 PM
0trbo4myCHEVUICK yes i bought a chevy to BOP bolt pattern adapter. its 1/8" thick.. i still havent figured out what im going to do about a driveshaft... got new trans cooler with fan from jegs yesterday with the adapter plate, dipstick and new champion 2 core radi. Couldn't stand to let my new trans drink fluid from the stock cooler. I should be getting the summit 17 - 2000 converter tomorrow as well! Does the fluid that you put in the converter stay in the converter? what about 50/50 lucas n fluid in the converter? Or does it all just mix? I already mix two bottles with my fluid changes..
05-25-2012 08:28 PM
1ownerT Do you have an adapter plate to mate the GM truck trans up to the BOP bolt pattern?
Would that 30 series trans possibly use a bolt on yoke?
05-24-2012 09:36 PM
spinn My 85 C10 has 3.73 rear , 305/ th350 c , performer cam/intake ,vortec 906 heads shaved, 100 headers, stock qjet, and a dynamic 3000 stall. Vortec heads and the stall add so much to the performance. The launch is very strong and governor recalibrated for 5200 shifts. This makes for a dependable fun utility vehicle.

A higher stall can really get you going for the hole and not sacrifice a thing.
05-24-2012 11:42 AM
0trbo4myCHEVUICK thanks! Does anyone know if there is a truck with the driveshaft I need? Shouldnt I beable to find a truck with a th400, yank the shaft and yoke, shift linkage and roll? As long as the truck is single cab and regular sized bed like mine?
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