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 building a 350 for my truck

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76silverado
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PostSubject: Re: building a 350 for my truck   November 29th 2009, 9:02 pm

Well, u gotta remember the coolant flow sucks on the SBC 400, a BB is the winner.
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79_bronco
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PostSubject: Re: building a 350 for my truck   November 29th 2009, 9:05 pm

my engine compartment in the sonoma is tight enough now with a 4.3.. i'm not stuffing a big block in there and have to use fender well exit headers.. lol
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76silverado
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PostSubject: Re: building a 350 for my truck   November 29th 2009, 9:10 pm

But they would sound AWESOME!!!
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f150dailydragger
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PostSubject: Re: building a 350 for my truck   November 29th 2009, 9:58 pm

my buddie has just over 500 hp on a two bolt main lt1 350 with no problems.
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79_bronco
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PostSubject: Re: building a 350 for my truck   November 29th 2009, 10:04 pm

isn't an lt1 block different though?
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76silverado
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PostSubject: Re: building a 350 for my truck   November 29th 2009, 10:34 pm

Slightly i think, but same cubes.
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79_bronco
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PostSubject: Re: building a 350 for my truck   November 29th 2009, 10:47 pm

oh.. i wouldn't know.. i just know an LT1 is a camaro motor lol
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76silverado
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PostSubject: Re: building a 350 for my truck   November 29th 2009, 10:51 pm

Or vette.
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007jimmy
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PostSubject: Re: building a 350 for my truck   November 29th 2009, 10:51 pm

wrong... ls1 is the camaro motor
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79_bronco
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PostSubject: Re: building a 350 for my truck   November 29th 2009, 11:41 pm

what is the vette motor? LT2? lol
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TruckAddict
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PostSubject: Re: building a 350 for my truck   November 30th 2009, 12:06 am

I guess its differant but I have seen a 450+ hp SBC 350 3970010 cast # block with 2 bolt and cast crank hold togehter well at 7400 rpms. The trick is a good balance job and get as much weight off the rods and pistons as possible. You want the weight off anyway, so its not robbing your hp being a part of the rotating assembly.
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79_bronco
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PostSubject: Re: building a 350 for my truck   November 30th 2009, 12:12 am

there are a lot of OEM blocks pushing that much and more.. it's all just in how you build it.. but that goes the same for any motor you build
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merlin5577
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PostSubject: Re: building a 350 for my truck   November 30th 2009, 11:22 am

76silverado wrote:
Will a 350 block hold 450 hp without spliting it in half?

Yes, as long as the rotating assembly is forged and the heads are torqued correctly, it will hold 450.

================================================
-Robert.
My Fleet;

2011 Volkswagen Jetta TDI 2.0L 6A
2010 Chevrolet Malibu LT 2.4L 6A
2003 Chevrolet Silverado LS 6.6L 5A
1997 GMC Suburban SLT 5.7L 4A


"If you dont stand behind our troops, feel free to stand in front of them."

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merlin5577
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PostSubject: Re: building a 350 for my truck   November 30th 2009, 11:32 am

Ok, let me set the record straight. The LT1 ((Gen II) built from 1992-1997) is the same basic design as the SBC 350 EXCEPT it has a reverse flow cooling system and the distributor is in front. It was available in 4-bolt main for the Camaro, Firebird, and Corvette, and as a 2-bolt main in the Caprice, Impala, Fleetwood, and Roadmaster.

The LT-1 (Gen I) was built from 1970-1974 and was the first high performance 350 small block. It was only available in the Corvette.

The LS1 was built from 1997-2004 and was a 4 or 6 bolt main (LS6) and was used in the Camaro, Firebird, GTO, Corvette, and CTS-V. It is a Gen III small block and shares no common parts with the previous small block engines.

The new Camaro uses a Gen IV LS3 (or L99) and only a few parts are reverse compatible with the Gen III.

================================================
-Robert.
My Fleet;

2011 Volkswagen Jetta TDI 2.0L 6A
2010 Chevrolet Malibu LT 2.4L 6A
2003 Chevrolet Silverado LS 6.6L 5A
1997 GMC Suburban SLT 5.7L 4A


"If you dont stand behind our troops, feel free to stand in front of them."

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79_bronco
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PostSubject: Re: building a 350 for my truck   November 30th 2009, 1:39 pm

isn't the L99 some weird kind of setup chevy came up with?
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merlin5577
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PostSubject: Re: building a 350 for my truck   November 30th 2009, 2:35 pm

The L99 is the same as the LS3 but with AFM. Its standard on the new Camaro with the automatic transmission. The manual transmissions get the LS3.

================================================
-Robert.
My Fleet;

2011 Volkswagen Jetta TDI 2.0L 6A
2010 Chevrolet Malibu LT 2.4L 6A
2003 Chevrolet Silverado LS 6.6L 5A
1997 GMC Suburban SLT 5.7L 4A


"If you dont stand behind our troops, feel free to stand in front of them."

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merlin5577
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PostSubject: Re: building a 350 for my truck   November 30th 2009, 3:02 pm

Lone_Wolf, I forgot to ask, what gearing do your axles have?

================================================
-Robert.
My Fleet;

2011 Volkswagen Jetta TDI 2.0L 6A
2010 Chevrolet Malibu LT 2.4L 6A
2003 Chevrolet Silverado LS 6.6L 5A
1997 GMC Suburban SLT 5.7L 4A


"If you dont stand behind our troops, feel free to stand in front of them."

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