HOW MUCH STALL DO I NEED??? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

RED67 · 05-08-2002, 04:42 PM

HOW MUCH STALL DO I NEED RUNNING A HOT CAM @ .650 LIFT????????????????????????????????????????????

68 with 350 TPI · 05-08-2002, 04:51 PM

Need more info than that to help you pick the proper stall.

1) Is it a sb or bb chevy?
2) whats the weight of the truck?
3) whats the rest of the engines combo like carb,heads,headers,compression,etc?
4) what kind of trans/ rear end gears are you running?

*Randy70C-10* · 05-08-2002, 06:04 PM

Cam duration and lobe separation? Each cam has a recommended stall.

RED67 · 05-08-2002, 06:20 PM

468 BB,12.8 TO 1 COMP,4150 HOLLEY FLOWS 980,TEAM G INTAKE,781 OVAL PORT HEADS CUT OUT FOR 2.19 VALVES,HOOKER SUPER COMP 2" TO 3 1/2" EXHAUST,4.11 POSI TRAC,TRUCK WEIGHS I GUESS AROUND 3800LBS...THE ONLY THING I KNOW ABOUT THE CAM IS THAT ITS A FLAT TAPPET CAM W/650 LIFT...IF I CAN REMEMBER THE WAY HE WORDED IT- FLAT TAPPET 650 W/650 LIFT I THINK........OH YEA THE TRANNY IS A T400

[This message has been edited by RED67 (edited May 08, 2002).]

Sierra · 05-08-2002, 09:43 PM

With those specs, I would guess fuel mileage is not a priority. A quality 3500 rpm stall converter would be a good starting point for this combination.

Stroker · 05-08-2002, 09:49 PM

What are you planning to use the truck for? Race,Street/Strip,Daily driver... Do you have anyway of finding out the cam specs?You really need the duration and the LSA to make a reasonable choice for a converter. I'm just guessing, but based on the intake, compression, and the fact that it's a solid you've got a real hot street machine or bracket racer in the works.

Low69CST · 05-08-2002, 10:19 PM

I'd call up a company, that way if its wrong, you have an argument to get your money back.

------------------
'69 CST Short fleetside
Lowered, 400 small block, 700R4, 3" dual exhaust, 40 series Flowmasters, 4 wheel disc brakes, all stainless hard and flex lines, front & rear sway bars, Dana 9 1/4" rear end 4.11's w/Detroit Locker, soon to have 18" rims
Not my daily driver. More like my weekend A$$ KICKER.
See my truck at: http://www.geocities.com/low69cst/
Future Automotive Engineer attending the University of Kentucky.
Feel free to message me on AOL, SN- SS95ZQ8
My Dad's projects:
72 Short Fleet 4x4 Chyenne Super
72 Long Fleet 4x4 Chyenne Super
Both 350 autos restored original

Nickbo · 05-08-2002, 11:51 PM

I have a .500 lift I believe, on a high compression 350. I talked to a guy that said 3500 to 3800 rpm stall. I'll probably look or one around 4000 stall, just to be on the safe side. If your driving it on the street though with that high of a stall, make sure you have a good tranny cooler.

SCOTI · 05-09-2002, 06:34 AM

With that much stall you'll need some low gears to go w/it.

brennecke · 05-09-2002, 09:58 AM

3500 RPM stall is pretty rough in a street machine. I hope you don't plan to drive around town much. You should check to see if it will interfere with highway cruising too.

68 with 350 TPI · 05-09-2002, 10:24 AM

Well with a big block you should have a good bit of torque to get off the line and it will help the converter stall a little more than normal.

I would use around a 3,000-3,500 stall if it was on the street with the 4.11 gears.

If its a race/bracket style I would go up to about a 3,500-4,000 stall.

BTW dont get a cheap converter!!!!
also get a good trans cooler with a fan on it to be safe.

05-08-2002, 04:42 PM	#1
RED67 Forever Grateful Join Date: Mar 2001 Location: Forney,Texas Posts: 777	HOW MUCH STALL DO I NEED??? HOW MUCH STALL DO I NEED RUNNING A HOT CAM @ .650 LIFT???????????????????????????????????????????? __________________ R.I.P Dad 04-07-42 - 05-27-09

05-08-2002, 04:51 PM	#2
68 with 350 TPI Registered User Join Date: May 2002 Location: Wingate NC Posts: 456	Need more info than that to help you pick the proper stall. 1) Is it a sb or bb chevy? 2) whats the weight of the truck? 3) whats the rest of the engines combo like carb,heads,headers,compression,etc? 4) what kind of trans/ rear end gears are you running? __________________ Life is good with a 6-71 supercharged 355 in a 72 camaro

05-08-2002, 06:20 PM	#4
RED67 Forever Grateful Join Date: Mar 2001 Location: Forney,Texas Posts: 777	468 BB,12.8 TO 1 COMP,4150 HOLLEY FLOWS 980,TEAM G INTAKE,781 OVAL PORT HEADS CUT OUT FOR 2.19 VALVES,HOOKER SUPER COMP 2" TO 3 1/2" EXHAUST,4.11 POSI TRAC,TRUCK WEIGHS I GUESS AROUND 3800LBS...THE ONLY THING I KNOW ABOUT THE CAM IS THAT ITS A FLAT TAPPET CAM W/650 LIFT...IF I CAN REMEMBER THE WAY HE WORDED IT- FLAT TAPPET 650 W/650 LIFT I THINK........OH YEA THE TRANNY IS A T400 [This message has been edited by RED67 (edited May 08, 2002).] __________________ R.I.P Dad 04-07-42 - 05-27-09

05-08-2002, 09:49 PM	#6
Stroker Registered User Join Date: Mar 2001 Location: Moore, Ok Posts: 1,149	What are you planning to use the truck for? Race,Street/Strip,Daily driver... Do you have anyway of finding out the cam specs?You really need the duration and the LSA to make a reasonable choice for a converter. I'm just guessing, but based on the intake, compression, and the fact that it's a solid you've got a real hot street machine or bracket racer in the works. __________________ 72 SWB parts and pieces Oklahoma

05-08-2002, 10:19 PM	#7
Low69CST Registered User Join Date: May 2000 Location: Frankfort, Kentucky, USA Posts: 2,163	I'd call up a company, that way if its wrong, you have an argument to get your money back. ------------------ '69 CST Short fleetside Lowered, 400 small block, 700R4, 3" dual exhaust, 40 series Flowmasters, 4 wheel disc brakes, all stainless hard and flex lines, front & rear sway bars, Dana 9 1/4" rear end 4.11's w/Detroit Locker, soon to have 18" rims Not my daily driver. More like my weekend A$$ KICKER. See my truck at: http://www.geocities.com/low69cst/ Future Automotive Engineer attending the University of Kentucky. Feel free to message me on AOL, SN- SS95ZQ8 My Dad's projects: 72 Short Fleet 4x4 Chyenne Super 72 Long Fleet 4x4 Chyenne Super Both 350 autos restored original __________________ '69 CST Short fleetside Lowered, 400 small block, 700R4, 4 wheel disc brakes, front sway bar & rear camaro sway bar (in progress) '87 V10 4x4 Short Fleetside Quad Suspension and Dual Tanks

05-08-2002, 06:04 PM	#3
Randy70C-10 Account Suspended Join Date: Mar 2001 Location: Virginia Beach, Va. U.S.A. Posts: 15,320	Cam duration and lobe separation? Each cam has a recommended stall.

05-08-2002, 09:43 PM	#5
Sierra Registered User Join Date: Nov 2000 Location: Victoria, Texas Posts: 71	With those specs, I would guess fuel mileage is not a priority. A quality 3500 rpm stall converter would be a good starting point for this combination.

05-08-2002, 11:51 PM	#8
Nickbo Registered User Join Date: Feb 2000 Location: colorado springs, colorado, usa Posts: 289	I have a .500 lift I believe, on a high compression 350. I talked to a guy that said 3500 to 3800 rpm stall. I'll probably look or one around 4000 stall, just to be on the safe side. If your driving it on the street though with that high of a stall, make sure you have a good tranny cooler. __________________ 1967 was a good year

05-09-2002, 06:34 AM	#9
SCOTI Registered User Join Date: Apr 2001 Location: DALLAS,TX Posts: 21,934	With that much stall you'll need some low gears to go w/it. __________________ 67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... *Cubic inches is like Indiana Jones with a cheap pistol.*

05-09-2002, 09:58 AM	#10
brennecke Registered User Join Date: Apr 2000 Location: Missouri Posts: 469	3500 RPM stall is pretty rough in a street machine. I hope you don't plan to drive around town much. You should check to see if it will interfere with highway cruising too. __________________ Never tire of doing what is right II Thess. 3:13 Northeast Missouri 71 LWB original 350 3/speed Soon to be 500

05-09-2002, 10:24 AM	#11
68 with 350 TPI Registered User Join Date: May 2002 Location: Wingate NC Posts: 456	Well with a big block you should have a good bit of torque to get off the line and it will help the converter stall a little more than normal. I would use around a 3,000-3,500 stall if it was on the street with the 4.11 gears. If its a race/bracket style I would go up to about a 3,500-4,000 stall. BTW dont get a cheap converter!!!! also get a good trans cooler with a fan on it to be safe. __________________ Life is good with a 6-71 supercharged 355 in a 72 camaro



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