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CrewDawg · 08-29-2007, 12:25 PM

I have been visiting the site for a while and have noticed a lot of nice blazers on here. I have a 72 Blazer (Yes, I will post pictures later). I have some plans for it and need some advice. I plan on swapping my Turbo 350 for a 700R4 and possibly a 454 BB. No, I will not use this truck for mud. I am building only as recreational purposes only. What do you all think.

Joe67 · 08-29-2007, 12:29 PM

Welcome to the site

shaneschevys · 08-29-2007, 12:41 PM

Welcome from FT Worth TX.

BACKYARD88 · 08-29-2007, 01:46 PM

from South Texas.

Green Monster · 08-29-2007, 02:38 PM

Quote:

Originally Posted by CrewDawg

What do you all think.

I think you need to post pictures. Welcome to the site.

Stepside65 · 08-29-2007, 02:50 PM

Welcome from blazin New Mexico.

bouncytruck · 08-29-2007, 04:04 PM

Welcome from Seattle.

Stuffing the 454 can get tricky. The BBs tend to have firewall clearance issues, but with some effort and massaging of the firewall you can get it to fit.

Are you going to run a lift? What size tires. Post pics when you get a chance.

krue · 08-29-2007, 05:55 PM

Welcome to the board from South Mississippi!

jsbgump · 08-29-2007, 06:06 PM

Welcome to the board from Texas

**Classic Bowties** · 08-29-2007, 07:40 PM

and welcome to the board from Portland, OR. You get my vote for the BBC conversion & dont massage that firewall, just move your sb engine cradle and trans crossmember fwd. 2-1/8 inches. See the dirty under hood shot of my 468 installed below, BBC forever

and happily ever after. Cb

L0WRIDE · 08-29-2007, 09:46 PM

Welcome to the boards

CrewDawg · 08-30-2007, 10:55 AM

Thanks for you comments. I will try and post pics when I get home.

westonsouthwest · 08-30-2007, 12:10 PM

Hey All,

also brandnew to this sight. Have a 71 CST Blazer that I just swapped from a TH350 to a 700. Here are the problems I ran into:

700 is about 2" longer than the 350. This means you will have to either make a custom linkage for your T-Case shifter or hog-out some sheet metal (the former takes some time but is well worth it). This will also effect your driveline lengths, the rear driveshaft may be too short, the front will not be long enough AND you won't be able to use a the stock double cardon as the pan on the 700 creates some clearance issues. Plan on spending a few bucks for the unexpected. Finally, be sure to overbuild the tranny like crazy!!! I've been through two so far that were supposed to be able to handle a measley 350 ponies and my third is on it's way out (all from different builders, is it possible to have that much bad luck?!). I love the low first but my next swap will definately be a 4L80.

Longhorn Man · 08-30-2007, 01:51 PM

if you are about to blow #3 on a 350 horse engine, you got something not right. How are you adjusting the TV cable? If you are just doing the old pull and click, I'm willin to bet the farm it isn't set right.
Do a search on here for bow tie overdrives, and you'll get LOTSA info. Or just go to there site.

72BlckButy · 08-30-2007, 01:59 PM

to the board from Mid-MO.

westonsouthwest · 08-30-2007, 02:04 PM

Here's where I have to eat some humble pie. First tranny was a bad build and lasted 50 miles; had a cross leak between 1st gear and low reverse valving. Second tranny was rebuilt for the power but I installed, I tried the pull click method on the TV cable but I'm guessing that somewhere between my heavy foot, 35" tires and no auxiliary tranny cooler I simply cooked it. It lasted about a year 7-8k most of that was pretty hard-core wheelin in the desert washes of AZ. This last one was tested, installed and retested by a pretty reputable builder. He had me bring it back a couple of times to readjust the TV cable... It's been a couple of years now and it's not gone yet but getting those tell-tale signs.

I'll have one more opportunity to do it right as I currently have the motor yanked out for a stroked TPI 383. Will keep ya'll posted on how that goes.

**Classic Bowties** · 08-30-2007, 02:17 PM

westonsouthwest:

and

to the board, good luck on getting your tranny issues resolved as it sounds like you have spent your fair share of time on it, I also have the heavy right foot desease

. Cb

CrewDawg · 08-30-2007, 10:38 PM

Ok, I got the pictures posted

c-mack · 09-01-2007, 09:29 PM

hi, welcome to the boards from east texas.

FRENCHBLUE72 · 09-01-2007, 11:21 PM

Welcome to the board from southern oregon..

GREASEMONKEY72 · 09-05-2007, 01:12 AM

WELCOME to the board

**Ron 586** · 09-05-2007, 02:31 PM

Welcome to the board from West Tennessee.

**1971K54X4** · 09-05-2007, 02:33 PM

from Iowa

LUV2XCLR8 · 09-06-2007, 06:35 PM

From West TN

CAL 58 GMC · 09-08-2007, 03:27 AM

Welcome from Central Califronia

08-29-2007, 12:25 PM	#1
CrewDawg Registered User Join Date: Jun 2007 Location: Cabot,AR Posts: 12	New/Old member I have been visiting the site for a while and have noticed a lot of nice blazers on here. I have a 72 Blazer (Yes, I will post pictures later). I have some plans for it and need some advice. I plan on swapping my Turbo 350 for a 700R4 and possibly a 454 BB. No, I will not use this truck for mud. I am building only as recreational purposes only. What do you all think. Attached Images Last edited by CrewDawg; 08-31-2007 at 11:46 AM.

08-29-2007, 12:29 PM	#2
Joe67 67 is sold Join Date: Apr 2001 Location: Troy, Michigan Posts: 6,733	Re: New/Old member Welcome to the site __________________ Joe - Formerly 67c10step ------------------------------- 1967 Chevy Stepside - ECE 4/6, fuelcell, 5lug - SOLD gr8lakes - My ebay auctions Click here to order forum apparel :: Click here to become a subscribing member

08-29-2007, 01:46 PM	#4
BACKYARD88 On the fast track to nowhere.. Join Date: May 2006 Location: Splendora, Texas Posts: 5,316	Re: New/Old member from South Texas. __________________ -Mike Owen- Support the board here! 71 Chevy short fleet build thread Double D Norwood, Houston, Cecilia, Jackson, Monroe and counting

08-29-2007, 02:50 PM	#6
Stepside65 Still Truckless! Join Date: Jul 2007 Location: Valrico, Florida Posts: 3,166	Re: New/Old member Welcome from blazin New Mexico. __________________ ~James Truckless 2009 Hyundai Sonata<~~Wife's sedanomatic 1997 Nissan Pickup Father-in-law's tonka toy I am forced to drive Founder of The 60-66 Club Tutor Et Ultor

08-29-2007, 04:04 PM	#7
bouncytruck SKINNY TIRES RULE! Join Date: Sep 2001 Location: Bothell, WA Posts: 11,038	Re: New/Old member Welcome from Seattle. Stuffing the 454 can get tricky. The BBs tend to have firewall clearance issues, but with some effort and massaging of the firewall you can get it to fit. Are you going to run a lift? What size tires. Post pics when you get a chance. __________________ bouncytruck 1972 K5 The Hauler 1994 K1500 Suburban The Daily2010 Kia Soul Wife's Ride2014 Fiat 500L

08-29-2007, 12:41 PM	#3
shaneschevys Its always something! Join Date: Aug 2005 Location: FT Worth,TX Posts: 4,992	Re: New/Old member Welcome from FT Worth TX. __________________ 79 p10 stepvan 72 Short Fleetside 72 Suburban 67 GMC One Ton Flatbed 64 Short Fleetside 57 Chevy 2DR Hard Top 57 Chevy 2dr wagon 65 f* short fleet 63 C 60 Flatbed Member of the patina club**

08-29-2007, 05:55 PM	#8
krue Designated A-hole! Join Date: Mar 2003 Location: South Mississippi Posts: 36,448	Re: New/Old member Welcome to the board from South Mississippi! __________________ "If it ain't broke, fix it 'til it is!" Being stupid ain't illegal. We're Still Debt Free Except for the House!!! www.daveramsey.com 70 GMC SWB Stepside project "Green Booger" soon to be 6.0l/4l80e 93 S-10 "Poppaw's Truck"

08-29-2007, 06:06 PM	#9
jsbgump Gone Fishing Join Date: Aug 2005 Location: Fort Worth, Texas 76135 Posts: 12,361	Re: New/Old member Welcome to the board from Texas __________________ 68 Chevy Short Fleetside LSX Swap Under Way 3.73 posi 2.5/4 drop Frame of resto has been started 2022 Hyundai Tucson Limited 2019 Chevy Traverse Redline Edition Wifes Ride Build Thread http://67-72chevytrucks.com/vboard/s...=1#post3483616

08-29-2007, 07:40 PM	#10
Classic Bowties Always on the hunt... Join Date: Sep 2006 Location: Portland, OR. Posts: 5,732	Re: New/Old member and welcome to the board from Portland, OR. You get my vote for the BBC conversion & dont massage that firewall, just move your sb engine cradle and trans crossmember fwd. 2-1/8 inches. See the dirty under hood shot of my 468 installed below, BBC forever and happily ever after. Cb Attached Images Last edited by Classic Bowties; 08-30-2007 at 02:07 PM. Reason: added pic

08-29-2007, 09:46 PM	#11
L0WRIDE Registered User Join Date: Jan 2005 Location: AUCKLAND, NEW ZEALAND Posts: 2,166	Re: New/Old member Welcome to the boards __________________ 49 CHEVROLET 1/2 TON, 52 CHEVROLET SEDAN 62 HARDTOP NOVA 65 CHEVROLET BB LWB FLEETSIDE 90 CHEVROLET EXTRA CAB CHEVY ONLY - NZ Chapter http://67-72chevytrucks.com/vboard/s...d.php?t=137984

08-30-2007, 10:55 AM	#12
CrewDawg Registered User Join Date: Jun 2007 Location: Cabot,AR Posts: 12	Re: New/Old member Thanks for you comments. I will try and post pics when I get home.

08-30-2007, 12:10 PM	#13
westonsouthwest Registered User Join Date: Aug 2007 Location: Gilbert, AZ Posts: 2	Re: New/Old member Hey All, also brandnew to this sight. Have a 71 CST Blazer that I just swapped from a TH350 to a 700. Here are the problems I ran into: 700 is about 2" longer than the 350. This means you will have to either make a custom linkage for your T-Case shifter or hog-out some sheet metal (the former takes some time but is well worth it). This will also effect your driveline lengths, the rear driveshaft may be too short, the front will not be long enough AND you won't be able to use a the stock double cardon as the pan on the 700 creates some clearance issues. Plan on spending a few bucks for the unexpected. Finally, be sure to overbuild the tranny like crazy!!! I've been through two so far that were supposed to be able to handle a measley 350 ponies and my third is on it's way out (all from different builders, is it possible to have that much bad luck?!). I love the low first but my next swap will definately be a 4L80.

08-30-2007, 01:51 PM	#14
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	Re: New/Old member if you are about to blow #3 on a 350 horse engine, you got something not right. How are you adjusting the TV cable? If you are just doing the old pull and click, I'm willin to bet the farm it isn't set right. Do a search on here for bow tie overdrives, and you'll get LOTSA info. Or just go to there site.

08-30-2007, 01:59 PM	#15
72BlckButy Tot Roddin' Join Date: Apr 2005 Location: Mid-MO Posts: 24,461	Re: New/Old member to the board from Mid-MO. __________________ -Nate 1969 CST SWB - Project Blank Slate (4.5/6" ECE Static Drop, 6-lug disc brake upgrade (manual), Billet Specialties Vintec 20x8.5 255/40 (F) 20x10 295/40 (R), 250 I-6) 1960 AMF Skylark - Tot Roddin' (Lowered with custom frame; soon to include custom push bar and interior) 2008 Silverado CrewCab 1LT (5.3L, 3:73, 4x4, LT1, Z-71, Towing Package)

08-30-2007, 02:04 PM	#16
westonsouthwest Registered User Join Date: Aug 2007 Location: Gilbert, AZ Posts: 2	Re: New/Old member Here's where I have to eat some humble pie. First tranny was a bad build and lasted 50 miles; had a cross leak between 1st gear and low reverse valving. Second tranny was rebuilt for the power but I installed, I tried the pull click method on the TV cable but I'm guessing that somewhere between my heavy foot, 35" tires and no auxiliary tranny cooler I simply cooked it. It lasted about a year 7-8k most of that was pretty hard-core wheelin in the desert washes of AZ. This last one was tested, installed and retested by a pretty reputable builder. He had me bring it back a couple of times to readjust the TV cable... It's been a couple of years now and it's not gone yet but getting those tell-tale signs. I'll have one more opportunity to do it right as I currently have the motor yanked out for a stroked TPI 383. Will keep ya'll posted on how that goes.



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08-30-2007, 02:17 PM	#17
Classic Bowties Always on the hunt... Join Date: Sep 2006 Location: Portland, OR. Posts: 5,732	Re: New/Old member westonsouthwest: and to the board, good luck on getting your tranny issues resolved as it sounds like you have spent your fair share of time on it, I also have the heavy right foot desease . Cb

08-30-2007, 10:38 PM	#18
CrewDawg Registered User Join Date: Jun 2007 Location: Cabot,AR Posts: 12	Re: New/Old member Ok, I got the pictures posted Last edited by CrewDawg; 08-31-2007 at 11:47 AM.

09-01-2007, 09:29 PM	#19
c-mack Registered User Join Date: May 2007 Location: Crockett, Texas Posts: 581	Re: New/Old member hi, welcome to the boards from east texas. __________________ 1967 chevy truck 350 V8 1973 VW Transporter/Hippy Bus 1964 VW Baja Bug "When the power of love overcomes the love of power the world will know peace"- Jimi Hendrix

09-01-2007, 11:21 PM	#20
FRENCHBLUE72 PROJECT 7DEUCE Join Date: Dec 2002 Location: GRANTS PASS OR Posts: 21,606	Re: New/Old member Welcome to the board from southern oregon.. __________________ GO BIG GREEN GO DUCKS MEMBER #6377 72 k-5 daily driver 6'' lift 35'' 350-350-205 slowly getting rust free. Project "7DEUCE" check out my build http://67-72chevytrucks.com/vboard/s...d.php?t=267665 Tim Powell..R.I.P EastSideLowlife..... R.I.P..

09-05-2007, 01:12 AM	#21
GREASEMONKEY72 Registered User Join Date: Aug 2006 Location: Bakersfield,CA Posts: 7,893	Re: New/Old member WELCOME to the board __________________ -steven Alte Seele S.S. "Allison" '72 C/10 LWB 350SB/TH350 - DD PITBULL IS NOT A CRIME

09-05-2007, 02:31 PM	#22
Ron 586 RIP Mr Ron Join Date: Dec 2005 Location: Big Sandy, Tn. 38221 Posts: 8,150	Re: New/Old member Welcome to the board from West Tennessee. __________________ Ron (Mr Round Tuit) Be kinder than necessary, for everyone you meet is fighting some kind of battle TN Message Forum TN Facebook Group SETN Truck Show My Photobucket

09-05-2007, 02:33 PM	#23
1971K54X4 Member Join Date: Jan 2007 Location: Manchester, Iowa Posts: 1,493	Re: New/Old member from Iowa __________________ Korey 1955 Bel Air 2 door hardtop 1971 Blazer 4x4 1973 Z-28 Prostreet

09-06-2007, 06:35 PM	#24
LUV2XCLR8 The LuvShack Garage Join Date: Jan 2004 Location: Maple Grove, TN (West Side) Posts: 30,468	Re: New/Old member From West TN __________________ Owner/Op: "TN Classic Transport Carriers" The Toy: "Square Vette" 72 Hybrid Blazer Toy Barn: "LuvShack" 40 x 60 x 20 Shop Tow Piggy:"Maddy" 88 Silverado 3500 Hauler: "Feathers" 14 Aluma 8218T

09-08-2007, 03:27 AM	#25
CAL 58 GMC Senior Member Join Date: Jun 2005 Location: Clovis Ca. Posts: 3,311	Re: New/Old member Welcome from Central Califronia __________________ Classic Trucks Link http://www.classictrucks.com/feature...uck/index.html 1958 GMC.Project Build http://67-72chevytrucks.com/vboard/s...d.php?t=162816 1966 Chevelle Build http://67-72chevytrucks.com/vboard/s...d.php?t=443576 Video http://www.youtube.com/watch?v=prrNKo8F7Zw#GU5U2spHI_4

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