What do you think? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

69Chevyman · 11-04-2002, 07:06 PM

I am prolly going to get a 383 kit from Summitt, roller rockers, 274 Comp Cam, Weiend (sp?) Intake Manifold, Hedman headers, don't know which posi to get, and 342 gears. Oh yeah a megashifter too. What do you think about this and what do you think i cam run in the 1/4 with a 69 LWB Chevy with this in it and a 350 turbo with a shift kit? And what kind of posi is the best out right now??

**COBALT** · 11-04-2002, 07:11 PM

Wow that's a lot of stuff. The only thing I can say is I like Summit. I'd also go with a TransGo shift kit. Summit carries them. I wouldn't go with B&M.

bigjimzlll · 11-04-2002, 07:32 PM

dont forget a stall converter..2500 rpm atleast

crazy longhorn · 11-04-2002, 07:38 PM

it would be more fun with 4.10 gears too!

*Piston* · 11-04-2002, 08:55 PM

yea, what they said

Expect to see high 13's depending on what cylinder head you use and the 4:11's.

PushinPebbles · 11-04-2002, 10:27 PM

4.10 gears longhorn? he dosent have to haul a limo j/p crazy longhorn has a unbeliveable truck

69Chevyman · 11-04-2002, 11:08 PM

I still want to be able to drive on the highway quite a bit so i thought that 373 and 411 gears are too much. Also i talked to a mechanic aboiut the stall converter and he said if i am still gonna drive it most of the time on the street then to not get a stall it tears up your transmission quicker. Wouldn't 342's be better for my overall driving.

bigjimzlll · 11-04-2002, 11:24 PM

your mechanic....Is he real old? like with a hearing aid and cane? with a tranny cooler and 3:73 or 4:11 gears and a 2500 stall converter it makes for a friendly street package...cruise rpms will be at or over 2500 rpm...you want unfriendly...go with 3:42s and the 274 cam....that wont be very much fun..dont believe me..or him..get other opinions...I have 3:73s with a2500 stall...Im thinking about ging with a 3000 stall...if you go to comps web site and look up that cam, they suggest a stall converter. I have a mechanic here locally that wont build an iron head motor with more than 9-1 C/R...no matter what you ask him..or offer to pay him...some guys just have there own ideas....not always right though.....and if your just going to be hiway cruising..I take back my rant..lol...from talking to you in the past I thought you were building street/track truck..my bad

crazy longhorn · 11-04-2002, 11:57 PM

You will need 2500 stall minimum with that XE 274,& the lower gears will help also. My longhorn has a flat top 383, with edelbrock rpm heads. intake, & carb. the cam is a comp XE 268. I run a TCI breakaway verter(advertsed 2400-2800 stall), 400T, & 4.10 gears. i havent been to the strip to give any idea on times, but its a pretty nice combo of parts. the 4.10 gears arent bad for in town or a short hop on the hyway, it turns 3000 rpms @ 60 mph on a 28" tire. the biggest problem I have is getting the tires to "bite".i will be going 15x 10 on the back ralleys & more rubber, & moving the tank to the rear......crazy AL

dion · 11-05-2002, 12:02 AM

I have 3.73 with a 3000 stall and a 500 lift Cam on mine, it's fast believe me.

69Chevyman · 11-05-2002, 12:58 AM

What would the difference in 1/4 times in the 342 and the 373's gears cause you said high 13's with the 410's. How much time would i be sacrificing with each of those??? Is a stall bad for your transmission???????

bigjimzlll · 11-05-2002, 01:37 AM

heat kills tranny's...a high stall speed torque converter will cause more heat than a stock one..thats why you need an aux. tranny cooler..now a high stall with hiway gears(3:42) is not a good idea..because the cruise rpms will be lower than the stall..not good..3:73s were very comon in our trucks, with non high reving stock engines.

69Chevyman · 11-05-2002, 01:10 PM

So how will; the 373's fare on the highway?? Will they make my engine high reved?? I would like to get 373's but i do drive on the highway a lot ( basically to college which is 15 miles away). WHat should i run at the track with all the stuff i said with posi and 373's??

crazy longhorn · 11-05-2002, 01:29 PM

3.73s with your 275/60 tire will get you 3000 rpms @ 64 mph.....the 4.10s will go 3000 rpms @ 60 mph. The 3.73 is a good all around gear street/track, &you wont loose too much at the track. you just want to be sure that the converter doesnt stall higher than the hyway cruise speed ,as bigjim has posted. here is a link to auto math if you want to play a bit... http://www.smokemup.com/auto_math/index.php

11-04-2002, 07:06 PM	#1
69Chevyman Registered User Join Date: Mar 2002 Location: Tyler, Texas, USA Posts: 28	What do you think? I am prolly going to get a 383 kit from Summitt, roller rockers, 274 Comp Cam, Weiend (sp?) Intake Manifold, Hedman headers, don't know which posi to get, and 342 gears. Oh yeah a megashifter too. What do you think about this and what do you think i cam run in the 1/4 with a 69 LWB Chevy with this in it and a 350 turbo with a shift kit? And what kind of posi is the best out right now?? __________________ 1969 CST Black w/Black interior, dual Flowmaster turndowns, 4-6x9s in the doors, Sony Explod cd player, American Racing wheels w/275's, Edelbrock Intake, Edelbrock 750 carb

11-04-2002, 07:11 PM	#2
COBALT Senior Member Join Date: Sep 2001 Location: Seattle, WA, USA Posts: 5,817	Wow that's a lot of stuff. The only thing I can say is I like Summit. I'd also go with a TransGo shift kit. Summit carries them. I wouldn't go with B&M. __________________ '69 3/4 ton C20 2wd-350ci/TH400 '69 3/4 ton Custom 20 2wd-350ci/4sp Manual '99 2wd 5.7 Chevy Tahoe Seattle, WA.

11-04-2002, 07:32 PM	#3
bigjimzlll Senior Member Join Date: Dec 2001 Location: Redding,CA...USA Posts: 4,736	dont forget a stall converter..2500 rpm atleast __________________ It's called "drag racing" if they called it "tic..tic..WHAM!..BANG! F*&K!!!", they'd have to keep the magazines under the counter with the other men's publications click the clicky to join the site.... http://67-72chevytrucks.com/vboard/payments.php 67 lwb..first hotrod in 25 years..540 best ET is 9.45 @ 141.44 Anderson,CA

11-04-2002, 10:27 PM	#6
PushinPebbles My dad's 68 Join Date: May 2002 Location: VA Posts: 444	4.10 gears longhorn? he dosent have to haul a limo j/p crazy longhorn has a unbeliveable truck __________________ Jack M. 67 C-10 SWB 355 built T-350 tranny hurst shifter 17x8in KMC's on michelins, clear tails and back up lights slammedUPDATE i have decided on my bag setup and will post further info when i recieve all the parts **************************** 88 1/2 ton suburban 4x4 350/700R-4having a 9 in lift w/ 38 in tires 4 12 inch Lightning Audios *************************** 87 silverado 3/4ton jacked up 10-12 inches black and rubberized bed coating 35 in michelans ************************** Dad's truck 68 C-10 stepside, 468 BB, tubbed, weld wheels, Nason black,lots more **************************** grand dads truck 68 C-10 stepside fuel inj. 350/700R-4soon in audi silver **************************** 84 toyota pickup 22R 5 speed 2WD slammed, shaved and all the body lines filled w/ buickGN scoop,bout to be sprayed in 2003 mustang green metallic w/ silver flames **************************** S/N=BIGGYTYME@aol.com (hydros) "No fat chics, truck will scrape"

11-04-2002, 11:08 PM	#7
69Chevyman Registered User Join Date: Mar 2002 Location: Tyler, Texas, USA Posts: 28	I still want to be able to drive on the highway quite a bit so i thought that 373 and 411 gears are too much. Also i talked to a mechanic aboiut the stall converter and he said if i am still gonna drive it most of the time on the street then to not get a stall it tears up your transmission quicker. Wouldn't 342's be better for my overall driving. __________________ 1969 CST Black w/Black interior, dual Flowmaster turndowns, 4-6x9s in the doors, Sony Explod cd player, American Racing wheels w/275's, Edelbrock Intake, Edelbrock 750 carb

11-04-2002, 07:38 PM	#4
crazy longhorn Fabricate till you "puke" Join Date: Jun 2002 Location: Ill Posts: 9,403	it would be more fun with 4.10 gears too!

11-04-2002, 08:55 PM	#5
Piston Account Suspended Join Date: Oct 2002 Location: Olathe, KS Posts: 2,301	yea, what they said Expect to see high 13's depending on what cylinder head you use and the 4:11's.

11-04-2002, 11:24 PM	#8
bigjimzlll Senior Member Join Date: Dec 2001 Location: Redding,CA...USA Posts: 4,736	your mechanic....Is he real old? like with a hearing aid and cane? with a tranny cooler and 3:73 or 4:11 gears and a 2500 stall converter it makes for a friendly street package...cruise rpms will be at or over 2500 rpm...you want unfriendly...go with 3:42s and the 274 cam....that wont be very much fun..dont believe me..or him..get other opinions...I have 3:73s with a2500 stall...Im thinking about ging with a 3000 stall...if you go to comps web site and look up that cam, they suggest a stall converter. I have a mechanic here locally that wont build an iron head motor with more than 9-1 C/R...no matter what you ask him..or offer to pay him...some guys just have there own ideas....not always right though.....and if your just going to be hiway cruising..I take back my rant..lol...from talking to you in the past I thought you were building street/track truck..my bad __________________ It's called "drag racing" if they called it "tic..tic..WHAM!..BANG! F&K!!!", they'd have to keep the magazines under the counter with the other men's publications click the clicky to join the site.... http://67-72chevytrucks.com/vboard/payments.php 67 lwb..first hotrod in 25 years..540 best ET is 9.45 @ 141.44 Anderson,CA Last edited by bigjimzlll; 11-04-2002 at 11:27 PM.*

11-04-2002, 11:57 PM	#9
crazy longhorn Fabricate till you "puke" Join Date: Jun 2002 Location: Ill Posts: 9,403	You will need 2500 stall minimum with that XE 274,& the lower gears will help also. My longhorn has a flat top 383, with edelbrock rpm heads. intake, & carb. the cam is a comp XE 268. I run a TCI breakaway verter(advertsed 2400-2800 stall), 400T, & 4.10 gears. i havent been to the strip to give any idea on times, but its a pretty nice combo of parts. the 4.10 gears arent bad for in town or a short hop on the hyway, it turns 3000 rpms @ 60 mph on a 28" tire. the biggest problem I have is getting the tires to "bite".i will be going 15x 10 on the back ralleys & more rubber, & moving the tank to the rear......crazy AL

11-05-2002, 12:02 AM	#10
dion 72 Cheyenne Join Date: Oct 2001 Location: San Diego Posts: 2,086	I have 3.73 with a 3000 stall and a 500 lift Cam on mine, it's fast believe me. __________________ Burnout Idle 1972Cheyenne 1966/67Stouts

11-05-2002, 12:58 AM	#11
69Chevyman Registered User Join Date: Mar 2002 Location: Tyler, Texas, USA Posts: 28	What would the difference in 1/4 times in the 342 and the 373's gears cause you said high 13's with the 410's. How much time would i be sacrificing with each of those??? Is a stall bad for your transmission??????? __________________ 1969 CST Black w/Black interior, dual Flowmaster turndowns, 4-6x9s in the doors, Sony Explod cd player, American Racing wheels w/275's, Edelbrock Intake, Edelbrock 750 carb

11-05-2002, 01:37 AM	#12
bigjimzlll Senior Member Join Date: Dec 2001 Location: Redding,CA...USA Posts: 4,736	heat kills tranny's...a high stall speed torque converter will cause more heat than a stock one..thats why you need an aux. tranny cooler..now a high stall with hiway gears(3:42) is not a good idea..because the cruise rpms will be lower than the stall..not good..3:73s were very comon in our trucks, with non high reving stock engines. __________________ It's called "drag racing" if they called it "tic..tic..WHAM!..BANG! F*&K!!!", they'd have to keep the magazines under the counter with the other men's publications click the clicky to join the site.... http://67-72chevytrucks.com/vboard/payments.php 67 lwb..first hotrod in 25 years..540 best ET is 9.45 @ 141.44 Anderson,CA

11-05-2002, 01:10 PM	#13
69Chevyman Registered User Join Date: Mar 2002 Location: Tyler, Texas, USA Posts: 28	So how will; the 373's fare on the highway?? Will they make my engine high reved?? I would like to get 373's but i do drive on the highway a lot ( basically to college which is 15 miles away). WHat should i run at the track with all the stuff i said with posi and 373's?? __________________ 1969 CST Black w/Black interior, dual Flowmaster turndowns, 4-6x9s in the doors, Sony Explod cd player, American Racing wheels w/275's, Edelbrock Intake, Edelbrock 750 carb

11-05-2002, 01:29 PM	#14
crazy longhorn Fabricate till you "puke" Join Date: Jun 2002 Location: Ill Posts: 9,403	3.73s with your 275/60 tire will get you 3000 rpms @ 64 mph.....the 4.10s will go 3000 rpms @ 60 mph. The 3.73 is a good all around gear street/track, &you wont loose too much at the track. you just want to be sure that the converter doesnt stall higher than the hyway cruise speed ,as bigjim has posted. here is a link to auto math if you want to play a bit... http://www.smokemup.com/auto_math/index.php



Register or Log In To remove these advertisements.

Register or Log In To remove these advertisements.