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73-87chevytrucks.com
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73-87 Chevy _ GMC Trucks
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bigblock shorty headers
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Topic: bigblock shorty headers (Read 15966 times)
choptop
Senior Member
Posts: 2476
Extended cab fanatic
bigblock shorty headers
«
on:
October 15, 2008, 09:37:26 pm »
Well, I am happier than a fat girl eating cake ( or a fat boy in my case) For my birthday, my wife bought me a 427 bigblock ( dynoed at 425 hp.425ft/lb torque) for my birthday. It is going in my 76 choptop. I need some advice as far as headers. This thing sits low, and will be lower once the airbag suspension is in, so I need some shorty headers. I have access to a set that came off a 2ton that are stainless steel stockers, and can get them caoted reasonably. I am curious as to any other options that anyone knows of. This will not be a race truck, just a radical cruiser so the 425 hp is more than enough, but I want to choke it down as little as possible. I know longtube would be better, but they would not clear. Any ideas??? Just in case, this is the truck its going in.
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76 C10 Choptop,76 C10 Swb
85 C10, 85 K10, 85 K20,86 C10,86 K10 (all extended cabs)
86 C30 extended crewcab
Captkaos
OWNER and Administrator
Administrator
Senior Member
Posts: 18461
Re: bigblock shorty headers
«
Reply #1 on:
October 16, 2008, 11:48:25 am »
I am using Sanderson Chevelle headers on the truck I am building with a BBC.
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Chris Lucas
73-87chevytrucks
captkaoscustoms
squarebody
choptop
Senior Member
Posts: 2476
Extended cab fanatic
Re: bigblock shorty headers
«
Reply #2 on:
October 16, 2008, 05:51:20 pm »
How low is your truck gonna sit Capt? I am planning on airbagging this thing, so it will sit flat on the ground (though that is not set in stone at this point) I also have an odd idea for running the exhaust. I am planning on running it through the frame right behind the front wheels, having the mufflers mounted where the tanks were under the cab and then exiting out under the steps. This should allow maximum clearnace. (The frame should be the lowerst point) I am usually not into totally slamming a truck, but with the chopped top, I think the lower it is the better it will look, but like I said, nothing is set in stone. I will definately look at the Sanderson headers. The only thing I need to clear that I know of is the stearing shaft. Thanks Capt.
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76 C10 Choptop,76 C10 Swb
85 C10, 85 K10, 85 K20,86 C10,86 K10 (all extended cabs)
86 C30 extended crewcab
75stepside454
Newbie
Posts: 48
Re: bigblock shorty headers
«
Reply #3 on:
October 16, 2008, 10:01:00 pm »
Ive got Sandersons on mine, I love em. an added bonus, no header gaskets, not a leak in the 5 years they have been on there. John
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Captkaos
OWNER and Administrator
Administrator
Senior Member
Posts: 18461
Re: bigblock shorty headers
«
Reply #4 on:
October 17, 2008, 10:37:54 am »
If you route them right, they won't go under the frame. Mine is going to be 4/6 dropped:
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Chris Lucas
73-87chevytrucks
captkaoscustoms
squarebody
choptop
Senior Member
Posts: 2476
Extended cab fanatic
Re: bigblock shorty headers
«
Reply #5 on:
October 18, 2008, 07:17:14 am »
Sweet, that is what Im looking for. Thanks Capt
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76 C10 Choptop,76 C10 Swb
85 C10, 85 K10, 85 K20,86 C10,86 K10 (all extended cabs)
86 C30 extended crewcab
choptop
Senior Member
Posts: 2476
Extended cab fanatic
Re: bigblock shorty headers
«
Reply #6 on:
October 18, 2008, 09:23:20 pm »
Well, here she is. My new toy:
Standard bore 427 block decked .060, polished steel crank, balanced and blueprinted rotating assembly, Keith Black hyp. pistons, dimple 7/16 rods, Crane 280H cam Rehr Morrison prepped closed chamber heads,w/ port matched Edelbrock torker intake,Erson roller rockers,and a tuned Holley 750. This was built by a professional race engine shop here locally, and the dyno sheet shows 425 hp and 427 ft/lbs torque that is pretty flat from 2000-5300 rpms. As soon as I get the dyno sheet, I will verify that for sure
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76 C10 Choptop,76 C10 Swb
85 C10, 85 K10, 85 K20,86 C10,86 K10 (all extended cabs)
86 C30 extended crewcab
Captkaos
OWNER and Administrator
Administrator
Senior Member
Posts: 18461
Re: bigblock shorty headers
«
Reply #7 on:
October 18, 2008, 10:13:46 pm »
sweet!
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Chris Lucas
73-87chevytrucks
captkaoscustoms
squarebody
ccz145a
Senior Member
Posts: 1393
Re: bigblock shorty headers
«
Reply #8 on:
October 18, 2008, 11:38:46 pm »
get that thing in and fire it up!
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1975 C10 Silverado LWB, 454CID, TH400, 10bolt 3.42
11MPG Downhill w/tailwind (but there ain't no hills here)
SUX2BU99
Senior Member
Posts: 1478
Re: bigblock shorty headers
«
Reply #9 on:
October 23, 2008, 11:57:50 am »
I'm GREEN with envy!
That's my favorite engine size right there: 427. Those numbers just scream horsepower. Enjoy it man. Should be tons o fun.
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85 Chevy Silverado C10 short, wide, yellow, 2wd. Lowered, 60-over 350 with Dart Iron Eagle heads and Comp Cams XE268 cam, TH350 w/ shift kit, 3.40 Gov-lok 12 bolt.
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73-87chevytrucks.com
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73-87 Chevy _ GMC Trucks
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Exhaust
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bigblock shorty headers