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stall 350 turbo tranny
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grandprix25
I watched NASCAR once
| Posts: 5
| Joined: 12/10
Posted: 12/10/10 12:43 PM
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hi -guys -im getting into circle track racing --its a 3/8 semi banked oval paved track --and i was told to run a 1600-2200 stall converter with a 350 turbo tranny to help with the rpm and to slow me down in the corners --and it would also give me more hump coming out of the corners --what do u guys think
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3836bbl
I’ve been to a few races
| Posts: 33
| Joined: 11/10
Posted: 12/13/10 02:19 PM
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Who suggested that? What is the normal opperating range on track thru intering the corner? Do you have the rest of the car set up for that TQ convertor? If you want engine breaking you need to run as low stall speed that you can with out sacrificing power while getting back into the throttle off the corners. If you have a higher stall speed you will need better brakes to compinsate for less engine breaking. If you can find someone to rework one for you with a high stall speed but good engine breaking that would be the best way to go. Try Mikes Transmission in SoCal. 3836bbl
Buy the book "How to build a _____" or "How to tune a _____" You fill in the blanks. & Allways I would "Fill your library before you fill your garage"
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grandprix25
I watched NASCAR once
| Posts: 5
| Joined: 12/10
Posted: 12/20/10 03:59 PM
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hi srry my computer took a dump --but here is what i want to run --rear end gear is a 4.10 with the 350 turbo in 2nd gear the highest we will get in the rpms are 6,000-6,500 max --there was a guy that finished 3rd in points and i know 4 a fact that he was runing this set up --but he says he is going with a biger stall converter
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3836bbl
I’ve been to a few races
| Posts: 33
| Joined: 11/10
Posted: 12/21/10 12:25 PM
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grandprix25 that's probibly a good suggestion. The type of valve-body you use could make a big differance also. Talk to a good tranny guy they can tell you some tricks that will help engine breaking & still have the forward bite of the higher stall speed you will need to be a winner, the disadvantage is heat you need to keep it cool to make it last. Anything over 210-225deg. max will be quick death to the trans if ran at those temps for a any period of time the drum, clutchs & bands will glaze or seperate & fail. 3836bbl
Buy the book "How to build a _____" or "How to tune a _____" You fill in the blanks. & Allways I would "Fill your library before you fill your garage"
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grandprix25
I watched NASCAR once
| Posts: 5
| Joined: 12/10
Posted: 12/22/10 04:03 AM
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yes i know that --i went to my engine builder --and he knows a lot of people --the tranny was rebuilt with everything new cost me about 500--hes the 1 that said i need to get a higher stall -converter and to get a bigger brake caliaper-2-3/4 piston driver side --and to use a stock 1 on the passanger side 2-1/4-piston-to help on brakeing in the corners -with the tranny- what do u guys think i need to do and he said i dont need a tranny cooler -just run racing tranny fluid--like purple royal-- not stock tranny fluid
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3836bbl
I’ve been to a few races
| Posts: 33
| Joined: 11/10
Posted: 12/22/10 10:28 PM
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granprix25 I figuered you were talking to someone who knows there stuff, The trans still needs to be cooled, especialy with a higher stall speed, you need to loop the circut at a minimum, just because your running Royal Purple (which is great stuff) dosen't meen you don't need a cooler. IT'S CHEAP INSURANCE, every degree over 210 is killing a little at a time. Heat is the enemy it will transfer to the engine also. 3836bbl
Buy the book "How to build a _____" or "How to tune a _____" You fill in the blanks. & Allways I would "Fill your library before you fill your garage"
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grandprix25
I watched NASCAR once
| Posts: 5
| Joined: 12/10
Posted: 12/25/10 07:49 AM
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hi - did talk to the trany builder --well he said 4 the kind of racing and laps -it is a good ideal to get a tranny cooler--so i got 1 on ebay lolol--ok now another queston -i would like to also run a bigger brake caliper on the drivers side a 2-3/4 and a stock 1 on the passnger side 2-1/2 to help the car turn to the left in the corners better --thanks
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grandprix25
I watched NASCAR once
| Posts: 5
| Joined: 12/10
Posted: 12/25/10 07:51 AM
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hi - did talk to the trany builder --well he said 4 the kind of racing and laps -it is a good ideal to get a tranny cooler--so i got 1 on ebay lolol--ok now another queston -i would like to also run a bigger brake caliper on the drivers side a 2-3/4 and a stock 1 on the passnger side 2-1/2 to help the car turn to the left in the corners better -- what do u guys think thanks
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3836bbl
I’ve been to a few races
| Posts: 33
| Joined: 11/10
Posted: 12/26/10 07:35 PM
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That will defenently pull it left I think you would be better served if you use an adjustable proportioning valve between the front & rear brakes intsed the car will want to pull badley if your braking on the straight aways the back brakes are important part of set up you can steer the rear of the car with the brakes that's where the prop. valve will help. 3836bbl
Buy the book "How to build a _____" or "How to tune a _____" You fill in the blanks. & Allways I would "Fill your library before you fill your garage"
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3836bbl
I’ve been to a few races
| Posts: 33
| Joined: 11/10
Posted: 12/26/10 07:39 PM
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Tire stagger & air pressures will also help tremendously if the rules allow. Make the outside tires larger that will make it turn easier. 3836bbl
Buy the book "How to build a _____" or "How to tune a _____" You fill in the blanks. & Allways I would "Fill your library before you fill your garage"
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tuffnuff
I’ve been to a few races
| Posts: 31
| Joined: 06/10
Posted: 01/10/11 01:53 AM
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3836bbl: grandprix25 that's probibly a good suggestion. The type of valve-body you use could make a big differance also. Talk to a good tranny guy they can tell you some tricks that will help engine breaking & still have the forward bite of the higher stall speed you will need to be a winner, the disadvantage is heat you need to keep it cool to make it last. Anything over 210-225deg. max will be quick death to the trans if ran at those temps for a any period of time the drum, clutchs & bands will glaze or seperate & fail. 3836bbl
+1 Bud, that is fluid temp,,, the temp right at the clutches is closer to 300 and with a high stall converter and "NO" cooler,,, is plain stupid.
When The Flag Drops,,, The Bull Chit Stops,,, 

Master Engine Builder
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tuffnuff
I’ve been to a few races
| Posts: 31
| Joined: 06/10
Posted: 01/10/11 01:57 AM
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grandprix25: hi srry my computer took a dump --but here is what i want to run --rear end gear is a 4.10 with the 350 turbo in 2nd gear the highest we will get in the rpms are 6,000-6,500 max --there was a guy that finished 3rd in points and i know 4 a fact that he was runing this set up --but he says he is going with a biger stall converter
Yes, bigger in diameter means a lower stall which amounts to better engine braking with steep rear end gears.
When The Flag Drops,,, The Bull Chit Stops,,, 

Master Engine Builder
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