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Topic Review (Newest First)
04-03-2013 06:28 PM
vinniekq2 trucks are heavy and 350s are not that big,,,experience helps when tuning.
I bought a 1980 Camaro off a younger fella,right parts,LS-5 454,headers,car weighed 3915,his best times were high 13s.
Cost me 3k to run 11s,just fixing his mistakes and upgrades
04-03-2013 02:00 PM
Slammedsi
Quote:
Originally Posted by vinniekq2 View Post
If you want to run low 10s/high 9s in the 1/8,then use the 350 and 4.1 gears
Oh man don't tell me that. I was hoping to be in the mid 8 sec mark.
04-03-2013 01:31 PM
vinniekq2 If you want to run low 10s/high 9s in the 1/8,then use the 350 and 4.1 gears
04-03-2013 01:14 PM
Slammedsi
Quote:
Originally Posted by vinniekq2 View Post
4500 pound truck is not going to launch hard without a lot of gearing/traction and hook.
If you get all of that,its also going to be a parts breaker.
I would consider building a 380 hp,,500 # torque 454 that peaks at or just over 5,000 rpm.This will be easier all around.
Basically an LS-5 with mild cam,headers,good 4 barrel and intake
Ive got a B&M street/strip TH400 already, Was thinking about a set of 4.10's for the rear in a 12 bolt instead of the 10 i have now. Ive looked for a 454 in the past with out much luck. The ones i found needed a lot of machine work or was way over priced. I felt it would be best to build this motor, as it only cost me 150.00 and he helped load it!
04-03-2013 11:29 AM
vinniekq2 4500 pound truck is not going to launch hard without a lot of gearing/traction and hook.
If you get all of that,its also going to be a parts breaker.
I would consider building a 380 hp,,500 # torque 454 that peaks at or just over 5,000 rpm.This will be easier all around.
Basically an LS-5 with mild cam,headers,good 4 barrel and intake
04-03-2013 11:19 AM
Slammedsi Motor will be in a 4500lb ish Chevy truck. 1/8 mile track several times a month and the "When I'm bored" trip into town in the evenings. Also there is a large car show and drag on the main road through town i would like to attend with this setup.
04-03-2013 10:41 AM
Slammedsi
Quote:
Originally Posted by 1971BB427 View Post
It really depends on how high you plan on winding the engine. I'd feel comfortable going to 6,000 rpm with factory rods if everything is built correctly. After that it gets a little shaky with stock rods.
Quote:
Originally Posted by vinniekq2 View Post
to make 1.5 hp per cubic inch,I see decent solid roller cam,over 10:1 CR,single plane intake,850 CFM carb,heads that flow 300 ish cfm,1 3/4 primary long tube tuned headers,maybe even stepped headers,drive line parts to take the power,suspension to plant the power

Thanks for the help guys. I was planing on going single plane and keeping it under the 6500 rpm mark. If there is doubt that the rods would handle something like that then while I'm there i might as well do it right.

Maybe go with something like the Scat engine kit that has the full rotating assembly. Like this one, But this one has Hypereutectic pistons.

Scat Engine Rotating Assemblies 1-92300 - SummitRacing.com
04-03-2013 10:26 AM
vinniekq2 to make 1.5 hp per cubic inch,I see decent solid roller cam,over 10:1 CR,single plane intake,850 CFM carb,heads that flow 300 ish cfm,1 3/4 primary long tube tuned headers,maybe even stepped headers,drive line parts to take the power,suspension to plant the power
04-03-2013 10:20 AM
1971BB427
Quote:
Originally Posted by Slammedsi View Post

Does anyone know what the factory rods and crank will handle horsepower wise?
It really depends on how high you plan on winding the engine. I'd feel comfortable going to 6,000 rpm with factory rods if everything is built correctly. After that it gets a little shaky with stock rods.
04-03-2013 10:11 AM
Slammedsi Sorry, That casting number is correct. I was planing on using the Block, Crank, and factory rods. Along with a set of quality forged pistons and aluminum heads to get to the 10.75:1 - 11.0:1 compression mark, running a mix of 91 and 110 octane fuel.

Does anyone know what the factory rods and crank will handle horsepower wise?
04-03-2013 04:29 AM
techron Sorry, but that is a low compession smog engine. It will take big bucks to get anywhere near the HP you are seeking. I build 327s for C2 vettes and 383 strokers for the high horsepower seeking vette guys. In Cal that is 73 and earlier, non smog controlled engines. Anything goes and is legal here on 73 or earlier cars. I just built an aluminum headed 383 stroker engine for a friends 65 vette. It dynoed at 437 RWHP, that is over 500HP at the flywheel if you take the 20% drivetrain loss that is the norm. The car has a 4 speed and 4.11 gears in the rear. To back that up we took the car to infinion raceway, as a noob he ran 12.5 in the quarter on the first pass. No tire burning or speed shifting. Just a lazy take off when the light turns green at an intersection.
I have a pantera, a go kart on steroids. at 100 mph the end would lift, the hall air dam solved that. At the same time the rear would lift. the wing on the rear deck solved that.
Sorry, But why a pickup, It,s light in the
04-02-2013 10:51 PM
vinniekq2 If you want 450 RWHP then all you will likely use is the block and crank
04-02-2013 07:25 PM
Slammedsi
Quote:
Originally Posted by RWENUTS View Post

Ive got the casting number wrong i guess. When i looked up the code it came up as a 77-79 Nova and other cars.
04-02-2013 07:17 PM
RWENUTS 78-85 350.
Small Block Chevy Engine Block casting and code identification
04-02-2013 07:11 PM
Slammedsi
Quote:
Originally Posted by Bowtie man View Post
We need some casting numbers to start with that is a tall order HP wise.

Understood. I believe the block casting number is 14016379
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