Decisions, Decisions, What Engine To Build? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Blue85 · 09-18-2006, 09:27 PM

Since the 72 is done now, and about to parked for the winter, ive decided to start thinkin about more motor, was thinkin of an lt1 or ls1 swap, for power and mileage, then on the other hand a mild 402 build, then my other choice a 383 or 377 stroker, i could just to a wild 350 build, but that would be to easy. Any input? I really like the ls1, but i also like the old school carb and chrome look.

PanelDeland · 09-18-2006, 09:41 PM

Go for a stroked 400 turned into a 427 in a small block package.Big cubes from approx the same weight.

shane72_383 · 09-18-2006, 10:16 PM

How do you do that? Build a 427 out of a 400, you've got my attention.

Blue85 · 09-18-2006, 10:16 PM

What crank/bore combo do you use?

dirtball · 09-18-2006, 11:52 PM

Quote:

Originally Posted by Blue85

What crank/bore combo do you use?

It's a 4" stroke in a standard bore (4.125") 400. If you go .030" over bore, it becomes a 434. It really gets expensive quick building these stroked 400's, and the production blocks aren't all that strong to begin with. The block needs to be clearanced, have to use a small base circle cam, the wrist pin gets pushed into the oil ring pack, and you should plan on some good flowing heads to take advantage of what you just put together. Those are a few drawbacks. The good news is they have great torque,can be made to look like any old 350, and they weigh less than a big block. Someone said it takes M-O-N-E-Y to put one together, he's not joking.

BarryB · 09-18-2006, 10:24 PM

I wanna know more too! What exactlly to you have to do to get a 427 out of a 400. I just acquired a good 400.

jhow66 · 09-18-2006, 11:22 PM

Quote:

Originally Posted by BarryB

I wanna know more too! What exactlly to you have to do to get a 427 out of a 400. I just acquired a good 400.

M-O-N-E-Y.

qksilver · 09-18-2006, 11:00 PM

go with the LS-1 with a carb.............

rancid · 09-18-2006, 11:17 PM

turbo 454

dougs69c10 · 09-19-2006, 07:14 AM

De stroke the 400 to a 377, and run the piss out of some rpms, put a little giggle gas on there and you will LOVE IT

Myself · 09-19-2006, 11:51 AM

My next build will be a 327 block with a 283 crank, balanced and blueprinted of course. Roller conversion, aluminum heads, Two small turbos, you get the idea.

dirtball · 09-19-2006, 04:07 PM

Quote:

Originally Posted by Myself

My next build will be a 327 block with a 283 crank, balanced and blueprinted of course. Roller conversion, aluminum heads, Two small turbos, you get the idea.

Ooooooh, TT302, that would be sweet! Put a TKO 600 behind it and have a blast. Me likey.

**clay68c10** · 09-19-2006, 04:37 PM

6.0 LSx with a t56 or 4L60. Stock pullout motor with a cam swap and you have 400hp, EFI, and good mileage when you want to go easy on it.

09-18-2006, 09:27 PM	#1
Blue85 Oilfield Trash Join Date: Sep 2003 Location: Raymore, Sk, Canada, Earth Posts: 3,171	Decisions, Decisions, What Engine To Build? Since the 72 is done now, and about to parked for the winter, ive decided to start thinkin about more motor, was thinkin of an lt1 or ls1 swap, for power and mileage, then on the other hand a mild 402 build, then my other choice a 383 or 377 stroker, i could just to a wild 350 build, but that would be to easy. Any input? I really like the ls1, but i also like the old school carb and chrome look. __________________ 14 Dodge 3500 Mega Cab 08 Dodge 3500 Mega Cab 87 Chev 3+3 4x4 80 GMC K10 High Sierra bone stock 70 Chevelle 350SS long term project 68 GMC 3ton Grain Truck/Garbage wagon 50 Pontiac 2 Door Coupe Project "I've got a shotgun rifle and a 4 wheel drive and a country boy can survive" Hank Jr.

09-18-2006, 09:41 PM	#2
PanelDeland I am a Referee of life. Join Date: Jun 2000 Location: Greensboro N.C. Posts: 13,993	Re: Decisions, Decisions, What Engine To Build? Go for a stroked 400 turned into a 427 in a small block package.Big cubes from approx the same weight. __________________ The 47-present Chevrolet and GMC Truck Message Board Network,it's owners,moderators,members,and associates of any type should not be held responsible for my opinion. You can't fix stupid,not even with duct tape. "My appearance is due to the fact that "GOD" does punish you for having too much fun!" Barrett-Jackson has perfected alchemy,they make rust into gold! "You can lead a horse to water but you can't saddle a duck" "Cleverly disguised as a 'Responsible Adult' "Sometimes your Knight in shining armor is just a retard in tinfoil"

09-18-2006, 10:16 PM	#3
shane72_383 Registered User Join Date: Apr 2006 Location: Osawatomie,KS Posts: 119	Re: Decisions, Decisions, What Engine To Build? How do you do that? Build a 427 out of a 400, you've got my attention.

09-18-2006, 10:16 PM	#4
Blue85 Oilfield Trash Join Date: Sep 2003 Location: Raymore, Sk, Canada, Earth Posts: 3,171	Re: Decisions, Decisions, What Engine To Build? What crank/bore combo do you use? __________________ 14 Dodge 3500 Mega Cab 08 Dodge 3500 Mega Cab 87 Chev 3+3 4x4 80 GMC K10 High Sierra bone stock 70 Chevelle 350SS long term project 68 GMC 3ton Grain Truck/Garbage wagon 50 Pontiac 2 Door Coupe Project "I've got a shotgun rifle and a 4 wheel drive and a country boy can survive" Hank Jr.

09-18-2006, 10:24 PM	#6
BarryB Senior Member Join Date: Jul 2006 Location: Blountville, Tn. Posts: 3,904	Re: Decisions, Decisions, What Engine To Build? I wanna know more too! What exactlly to you have to do to get a 427 out of a 400. I just acquired a good 400.

09-18-2006, 11:00 PM	#8
qksilver Senior Member Join Date: Dec 2004 Location: Southern Pines NC Posts: 3,853	Re: Decisions, Decisions, What Engine To Build? go with the LS-1 with a carb.............

09-18-2006, 11:17 PM	#9
rancid Registered User Join Date: Jul 2006 Location: utah Posts: 182	Re: Decisions, Decisions, What Engine To Build? turbo 454

09-19-2006, 07:14 AM	#10
dougs69c10 Registered User Join Date: Feb 2006 Location: Birmingham,Alabama Posts: 260	Re: Decisions, Decisions, What Engine To Build? De stroke the 400 to a 377, and run the piss out of some rpms, put a little giggle gas on there and you will LOVE IT __________________ 1969 c10 stepside 250 inline six, 4speed granny tranny, 4.11 posi rear end

09-19-2006, 11:51 AM	#11
Myself Registered User Join Date: Oct 2005 Location: Northern Arkansas Posts: 1,136	Re: Decisions, Decisions, What Engine To Build? My next build will be a 327 block with a 283 crank, balanced and blueprinted of course. Roller conversion, aluminum heads, Two small turbos, you get the idea.

09-19-2006, 04:37 PM	#13
clay68c10 Senior Member Join Date: Aug 2004 Location: Centennial, CO Posts: 2,957	Re: Decisions, Decisions, What Engine To Build? 6.0 LSx with a t56 or 4L60. Stock pullout motor with a cam swap and you have 400hp, EFI, and good mileage when you want to go easy on it. __________________ ClusterTruck: 68 C10 Bought in 89, wrecked in 03. Slow low $ rebuild started '17. 6.0 & TKO http://67-72chevytrucks.com/vboard/s...d.php?t=788602 93 K1500 Short Step, 350, NV4500, EBL flash ECU. Vortec heads & roller cam someday... 05 Jeep Wrangler Unlimited. 3” lift & 6-speed 02 E320 the insurance total “free car” 13 Tahoe LTZ



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