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06-08-2011, 10:23 PM
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#1 |
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Registered User
Join Date: May 2011
Location: st louis
Posts: 14
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307 tbi
    this is how far I got sunday, today I just installed the intake. I am using a 94 k2500 pcm (16197427) ready for a 4l80e but am going to have that spooled and set aside.
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71 f250 cs 390ci t18 33s "under construction" 69 custom/10 307 a/c 8 track will be tbi had 2 E36 325i's |
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06-09-2011, 12:33 AM
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#2 |
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Registered User
Join Date: May 2011
Location: st louis
Posts: 14
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Re: 307 tbi
      here is the wiring diagram I went buy
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71 f250 cs 390ci t18 33s "under construction" 69 custom/10 307 a/c 8 track will be tbi had 2 E36 325i's Last edited by 1mouse3; 06-16-2011 at 11:14 AM. Reason: missing page |
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06-09-2011, 06:34 AM
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#3 |
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Registered User
Join Date: Nov 2008
Location: Glenville, Pa
Posts: 445
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Re: 307 tbi
Looks like fun. LOL. I'm curious what kind of gas mileage you will get. I just put a 4 barrel on my 307.
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http://67-72chevytrucks.com/vboard/s...d.php?t=355153 |
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06-09-2011, 07:08 AM
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#4 |
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Registered User
Join Date: Oct 2008
Location: Marianna Arkansas
Posts: 7,277
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Re: 307 tbi
I am wondering why you chose the 4l80e over the 4l60e? Was it just an availibility thing ? On the bright side it would take two of the normal 307's to break the 4l80e [jk]
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06-13-2011, 05:07 PM
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#5 |
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Registered User
Join Date: May 2011
Location: st louis
Posts: 14
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Re: 307 tbi
here are shot of the first test fit in the truck
    I didn't oppt for the 4l80e it just was, I got the setup for my $0.02
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71 f250 cs 390ci t18 33s "under construction" 69 custom/10 307 a/c 8 track will be tbi had 2 E36 325i's |
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06-14-2011, 02:51 PM
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#6 |
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Registered User
Join Date: May 2011
Location: st louis
Posts: 14
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Re: 307 tbi
I finely got my tank in today now to get it installed
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71 f250 cs 390ci t18 33s "under construction" 69 custom/10 307 a/c 8 track will be tbi had 2 E36 325i's |
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06-24-2011, 06:05 PM
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#7 |
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Registered User
Join Date: Aug 2009
Location: Simi Valley, CA
Posts: 193
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Re: 307 tbi
Cool project. Watching with interest.
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06-24-2011, 07:56 PM
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#8 | |
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Registered User
Join Date: Dec 2007
Location: Nanaimo B.C.
Posts: 604
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Re: 307 tbi
Quote:
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I was hooked on these trucks since 1982 when I drove my budys fathers 1968 Custum GMC 396 automatic dana 60 rear with a power lock diff what a ride more fun then we will we can ever tell!! |
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06-24-2011, 11:03 PM
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#9 |
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Registered User
Join Date: May 2011
Location: st louis
Posts: 14
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Re: 307 tbi
thanks, I will post more pics and a vid when I fix/replace my camera.
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71 f250 cs 390ci t18 33s "under construction" 69 custom/10 307 a/c 8 track will be tbi had 2 E36 325i's |
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06-24-2011, 11:42 PM
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#10 |
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I have a radical idea!
Join Date: Jan 2005
Location: Sweet Home Alabama!
Posts: 6,513
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Re: 307 tbi
Great work! I love seeing people mess with under-appreciated, underrated engines. A 307 with EFI is definitely something you don't see everyday.
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'67 C-30 Dually Pickup 6.2 Turbo Diesel, NP435 ‘72 C-10 SWB , 350 4bbl, TH350 '69 C-10 SWB , 250 L6, 3 OTT '69 GMC C3500, dump truck, 351 V6, NP435 '84 M1009 CUCV Military Blazer 67 C-30 Turbodiesel build thread http://67-72chevytrucks.com/vboard/s...d.php?t=254096 My trucks http://s226.photobucket.com/albums/d...ediafilter=all Member of the 1-Ton Club! |
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06-25-2011, 12:09 AM
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#11 |
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Registered User
Join Date: May 2011
Location: st louis
Posts: 14
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Re: 307 tbi
a 307 is same crank and cam as a 327 so yes a nice start. I am doing efi so can be daily driver and so I can make a trip to get a cab for my other truck. this one is going to be show and my other is service
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71 f250 cs 390ci t18 33s "under construction" 69 custom/10 307 a/c 8 track will be tbi had 2 E36 325i's |
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08-23-2011, 08:16 PM
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#12 | |
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Cruzin
Join Date: Dec 2009
Location: on the road
Posts: 2,835
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Re: 307 tbi
Quote:
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Lime Wife's 67https://www.google.com/url?sa=t&rct=...wZEMODaS2d94u8 Back to the Fifties 59 https://www.google.com/url?sa=t&rct=...NAeStpydfrcj_U Proverbs 3:5,6 "Thanks to the Interstate Highway System, it is now possible to travel across the country from coast to coast without seeing anything."Charles Kuralt In memory of our first baby daughter, daddy and mommy love you. Danica Grace 6/26/14
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08-23-2011, 04:46 PM
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#13 |
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Registered User
Join Date: Nov 2004
Location: Fort Meade Fl
Posts: 184
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Re: 307 tbi
what did you order for the fuel tank. im doing a tpi and im looking for a fuel tank with tbi pump setup
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08-23-2011, 05:00 PM
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#14 |
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Nothing to see here.....
 
Join Date: Jun 2007
Location: Shawnee, KS
Posts: 4,625
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Re: 307 tbi
283 slugs with a 327 crank. granted the 307 is one of the under appreciated smog motors, but they are good runners and with a bit of tweaking, can be a great little mill.
I'll be watching this one for future projects..... subscribed
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Doug  THANK YOU to our American Soldiers & Veterans - POW MIA "You will NEVER be forgotten". The democracy will cease to exist when you take away from those who are willing to work and give to those who would not. Thomas Jefferson |
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08-23-2011, 05:24 PM
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#15 | |
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Registered User
Join Date: Oct 2010
Location: Largo Florida
Posts: 632
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Re: 307 tbi
Quote:
Not a smog motor, in fact California would not certify the 307 for sale in CA after 1972. You might be mixing up the 305 (a real smog motor) for the 307 wich came to life in 1968 as the reverse of the 302 Z/28 engine.
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Lifes journey is not to arrive at the gate well preserved, it is to slide in sideways all used up and wore out yelling.....God what'a ride! Where patience fails, force prevails Stapp's Ironical Paradox "The universal aptitude for ineptitude makes any human accomplishment an incredible miracle." |
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08-23-2011, 05:40 PM
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#16 |
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Nothing to see here.....
Join Date: Jun 2007
Location: Shawnee, KS
Posts: 4,625
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Re: 307 tbi
hummm, not to get off track, but I do believe the 307's were smog motors. not necessarily just sold to the CA market.
I need to find my GM motor info sheets and check it out. if your correct 406, you have just taught me a valuable lesson!!
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Doug THANK YOU to our American Soldiers & Veterans - POW MIA "You will NEVER be forgotten". The democracy will cease to exist when you take away from those who are willing to work and give to those who would not. Thomas Jefferson |
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08-24-2011, 01:25 AM
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#17 | |
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Registered User
Join Date: Oct 2010
Location: Largo Florida
Posts: 632
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Re: 307 tbi
Quote:
__________________
Lifes journey is not to arrive at the gate well preserved, it is to slide in sideways all used up and wore out yelling.....God what'a ride! Where patience fails, force prevails Stapp's Ironical Paradox "The universal aptitude for ineptitude makes any human accomplishment an incredible miracle." |
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08-24-2011, 07:08 AM
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#18 |
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Registered User
Join Date: Aug 2009
Location: Alden NY
Posts: 2,705
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Re: 307 tbi
My 70 Burb was sold and in and came from California. It came with a factory 307.
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1961 C1 Corvette 1959 El Camino 350 TPI, 9" 4 w disc 69 Blazer K5 - sold July '20 2021 Durango RT 5.7 |
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08-24-2011, 07:16 PM
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#19 |
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Who's got steelies?
Join Date: Feb 2006
Location: Morrison, Oklahoma
Posts: 1,026
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Re: 307 tbi
The 305 is a smog motor, while the 307 was just a "base" V8. 305's un-smog pretty easy though, with higher compression pistons and a stock pre-smog cam.
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 1969 C10 LWB W/ 250 I6 & 3spd1970 C10 with '67 small window cab, 68 front end, blue; 305/TH350, 3.08 limited slip rear end, manual brakes, power steering; & 4-wheel drums-My daily driver.1975 Chevelle Malibu Classic Coupe 350/th350 mint green1970 C20 Suburban 350/700R4 4.10 gearing green & white 1978 Big 10 Silverado 350/th350, working ac, 2 tone blue-My summer daily driver 1983 GMC 1500 Sierra 305/SM465 2.73 rear end How to add a trip odometer to your 67-72 stock speedometer How to rebuild your Q-Jet My Truck Page My Youtube Channel |
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08-24-2011, 09:47 PM
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#20 | |
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Registered User
Join Date: May 2009
Location: Eliot, Maine
Posts: 1,314
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Re: 307 tbi
Quote:
would rather have a 305 (same crank as the 350) in my 72 burb c20 instead of the 307. but the motor is original, runs great now that the 2bbl is bye bye and a q-jet is in it's place. when the day comes that the motor needs a freshening, it is getting a 400sbc stroker kit and full roller RV grind valve train for REAL towing power. certainly an interesting, unique project, but it would have been much easier to swap a 350tbi engine in and gain performance as well as efficiency. plus, the old engine doesn't have all the sensor ports needed for fuel injection and then there is the tuning issue as there never was a 307tbi calibration from GM. good luck! |
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08-24-2011, 10:27 PM
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#21 |
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Registered User
Join Date: Aug 2010
Location: RTP, NC
Posts: 518
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Re: 307 tbi
Great info here. I have a 307 myself and want to freshen up some. Like the different stuff.
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71 C-10 - 307 - 3 on tree 01 Ford Explorer 5.0 v8 96 Mercury Cougar v8 79 Trans Am 403 Olds |
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