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#26 | |
Account Suspended
Join Date: Jan 2009
Location: galt ca,
Posts: 749
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Re: Big block 400 in 70 GMC Sierra Grande?
Quote:
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#27 |
Registered User
Join Date: Apr 2008
Location: Imperial Beach, CA
Posts: 1,040
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Re: Big block 400 in 70 GMC Sierra Grande?
2Tons, did you measure the bore? Is it possible that it was a replacement engine which someone else put in it?
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69 c-10 BBC ![]() 462ci, forged crank, H-beam rods, 10.5-1 KB forged pistons, Dart Iron Eagle 308cc, Straub Cam, Comp Cams chrome moly full rollers, Weiand Team G, Prosystems 950, TH400/3500 Dalenzie stall, Currie 9+ Detroit Locker w/31spline axles. ![]() Last edited by ripdog28; 12-25-2009 at 10:47 AM. |
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#28 |
Registered User
![]() Join Date: Nov 2009
Location: Rogers AR
Posts: 12
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Re: Big block 400 in 70 GMC Sierra Grande?
Thx Brianthelion02 for pointing out the missing buckets....but mama likes the bench so i think i will keep it.
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RZRBACK ![]() 1970 GMC Sierra Grande |
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#29 |
Registered User
Join Date: Dec 2009
Location: Kansas City, MO
Posts: 1
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Re: Big block 400 in 70 GMC Sierra Grande?
Dude, keep the bench seat!!! All I can say is, WOW!!!
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#30 | |
425hp409
![]() Join Date: Oct 2008
Location: Prosper Texas
Posts: 841
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Re: Big block 400 in 70 GMC Sierra Grande?
Quote:
The 396 had a bore of 4.094" and stroke of 3.76". The 402 had a bore of 4.126" and stroke of 3.76" I hope this helps to eliminate the confusion.
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Charles 68 SWB, Dad bought new, now 396 & factory ac 64 Impala SS, 409 425HP, 4 speed AC 64 Bel Air Wagon, 400 Small Block 57 Bel Air all original 283 w/Factory Air 77 GMC Sprint, 454/425HP 67 Olds 442, all original 90 ZR1 Corvette |
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#31 |
Registered User
Join Date: Aug 2006
Location: Redmond, WA
Posts: 6,332
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Re: Big block 400 in 70 GMC Sierra Grande?
Thank goodness you said so. It's different than my 70 and I was getting scared!
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1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible |
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#32 |
Registered User
Join Date: Aug 2006
Location: Redmond, WA
Posts: 6,332
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Re: Big block 400 in 70 GMC Sierra Grande?
Tada!
Not for sale :-)
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1970 GMC Sierra Grande Custom Camper - Built, not Bought 1969 Pontiac 2+2 427/390 4-speed Coupe 1969 Pontiac 2+2 427/390 4-speed Convertible |
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#33 |
The Older Generation
![]() ![]() ![]() Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,481
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Re: Big block 400 in 70 GMC Sierra Grande?
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2009???...ok.. ![]()
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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#34 |
Senior Member
![]() Join Date: Feb 2001
Location: New Madison, Ohio
Posts: 21,365
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Re: Big block 400 in 70 GMC Sierra Grande?
Hey rzrback ...
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A husband can be right...or...A husband can be happy. ![]() 67-72 Chevy and GMC Trucks...The Classic Truck for the Classic Folk. ![]() 1970 CST Two tone green, 402BB, 400 Automatic, Tach, Buckets, AC, AM-FM, Tilt, GM CB, GM 8 Tract, LWB, etc ![]() ![]() JOHN 17:3...The better side of "LIFE" Remember: Everyday is a good day...Some are just gooder! |
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#35 |
The Older Generation
![]() ![]() ![]() Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,481
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Re: Big block 400 in 70 GMC Sierra Grande?
Actually he hasn't been on the board since 07/28/2012... ![]() (See my earlier post) LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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