Engine Choice - Team Camaro Tech
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post #1 of 9 (permalink) Old Dec 19th, 08, 10:41 PM Thread Starter
 
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Question Engine Choice

Here's the deal. I have a pretty strong engine (383, 12:1 compression pushing about 450 hp).
My goal is to have an engine with similar hp that is more reliable, less maintenance and runs on pump gas.
I was thinking about an LS engine but it seems like they are really expensive (10K+ for total swap) and require a lot of modifications to the vehicle (68 camaro). Is this an accurate statement?
I was looking at a crate engine built by Edelbrock that seems to fit the requirements but I think it is about $7500. With that kind of money the LS seems like a better option, right?
So perhaps I can work with what I have, even then the EFI conversion is about 3K. My current engine has solid lifters so I would also need to swap that out for a roller cam and different pistons to change the compression. So even using my existing engine I might be hitting $7500.

I guess this is a really complicated way of asking what would be the best way to get an engine with 425+ hp and gets decent MPG?

Thanks,

MTmace
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post #2 of 9 (permalink) Old Dec 20th, 08, 01:41 AM
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Harley
 
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Re: Engine Choice

Mass-Flo EFI on top
10.5cr with Dynamic around 8.1:1
AFR Elim 195 heads
XR282hr..EDIT: I was thinkin, that cam maybe a XE274HR. Cant remember.
and it gets 17mpg with a 5speed. mathematically, should get 21mpg with a 6speed if we can keep the same VE.

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November 26th, 2008 was my last day to serve my country as a member of the World's Greatest Navy.
Thanks Chief.
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post #3 of 9 (permalink) Old Dec 20th, 08, 03:37 AM
 
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Re: Engine Choice

Heck, a no-brainer by me!

A cheap 496 that's around 550 hp at 5500 rpm!

Like my old "tow-truck" motor!

And fwiw, I figure I am like just a couple a hop up's away from 650/700 hp if/when the dreaded, "More power, Scotty" bug bite's me!!

pdq67



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post #4 of 9 (permalink) Old Dec 20th, 08, 05:38 AM
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Re: Engine Choice

We just bought a fresh 463 BBC 675 hp pump gas motor for my sons Chevelle for $3500.I think there are deals to be found out there that you can find for less tha 10K I would keep shopping.May be a BBC is not what you want but they have a nice tone and look under the hood.

My sons motor:

My engine compartment:

Just a couple pics for a decision.I almost went with a small block but I am kinda glad I went with the BBC.

PRO.ST69orange

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post #5 of 9 (permalink) Old Dec 20th, 08, 06:30 AM
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Patrick
 
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Re: Engine Choice

I am also swapping my 383 for a big block.

Your engine is capable of making 500hp on pump gas easy. What heads do you have?

69RS/SS,383,10:1cr,4.10,60ft1.6sec,1/[email protected],1/[email protected],Vicjr,RPMheads,750dp, Proform main body, cam,246*-250*@.050,.510,522,1.6rr,700r4,3200stall
383 IS SOLD!
Building a 489BBC

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post #6 of 9 (permalink) Old Dec 20th, 08, 08:45 AM
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Shawn
 
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Re: Engine Choice

yeah stick with the old school SBC

i hate when people put lsx engines in old camaros, totally takes the fun out of the car IMO

plus a bone stock ls1 doesnt really make impressive hp numbers.
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post #7 of 9 (permalink) Old Dec 20th, 08, 10:46 AM
 
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Re: Engine Choice

AND DON'T CALL THE LS-, A SB!!

pdq67



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post #8 of 9 (permalink) Old Dec 20th, 08, 11:50 AM Thread Starter
 
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Re: Engine Choice

Thanks for all the replies, I think I will stick with what I have.
I was a little skeptical that you can get the high MPGs from an old school block.
But with the money savings it might be worth a shot.
The heads are 202.

MTmace
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post #9 of 9 (permalink) Old Dec 20th, 08, 11:56 AM
 
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Re: Engine Choice

The deal w/ gas mileage by me is DRIVING like you have a raw egg between the ff and your foot!

Putz around like an ol' man and run 58 to 62 mph on the hwy w/o the A/C on and I will bet a 6-pack of your fav. "barley-pop" that you will get at least 20 percent better gas mileage b/c I know I can and have done!

pdq67



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