LSA under a stock SS hood - Team Camaro Tech
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post #1 of 8 (permalink) Old Nov 4th, 18, 04:44 PM Thread Starter
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Jim
 
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LSA under a stock SS hood

I'm considering entering the LS world and was contemplating a crate LS376 / 490, or LSA.

I really like the LSA but don't know if the clearance between the LSA and a stock SS hood would pose a problem on a '68. Has anybody here done this?
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post #2 of 8 (permalink) Old Nov 4th, 18, 05:18 PM
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Don
 
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Re: LSA under a stock SS hood

The CTS-V lid is lower so it is your best chance.

The LSA is a significantly higher investment. It can really add up...

Don

1969 Camaro LSA 6L90E AME subframe and IRS
1969 Camaro vert LS3 4L65E Ridetech level 2 - sold
1959 El Camino project
1969 Mustang Sportsroof project
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1956 Cameo project - C5 drivetrain
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post #3 of 8 (permalink) Old Nov 4th, 18, 07:24 PM Thread Starter
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Re: LSA under a stock SS hood

Looks nice, but I don't see that version available in a new crate motor.
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post #4 of 8 (permalink) Old Nov 4th, 18, 07:59 PM
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Don
 
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Re: LSA under a stock SS hood

Quote:
Originally Posted by jimsl78 View Post
Looks nice, but I don't see that version available in a new crate motor.
You just need to find a CTS-V lid and install it on the ZL1 lid equipped crate. They are out there because lots of guys swapped them out for the ZL1 lid to gain 20 hp. Usually one on eBay. Iíve got one squirreled away.

Don

1969 Camaro LSA 6L90E AME subframe and IRS
1969 Camaro vert LS3 4L65E Ridetech level 2 - sold
1959 El Camino project
1969 Mustang Sportsroof project
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1956 Cameo project - C5 drivetrain
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post #5 of 8 (permalink) Old Nov 7th, 18, 04:04 PM Thread Starter
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Jim
 
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Re: LSA under a stock SS hood

Quote:
Originally Posted by dhutton View Post
The LSA is a significantly higher investment. It can really add up...

Don

From what I gather, the higher investment would amount to the initial cost of the LSA crate, plus reinforcing the brick, an electric water pump, and heat a exchanger, some additional plumbing and electrical. Did I miss anything?
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post #6 of 8 (permalink) Old Nov 7th, 18, 04:19 PM
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Don
 
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Re: LSA under a stock SS hood

Quote:
Originally Posted by jimsl78 View Post
From what I gather, the higher investment would amount to the initial cost of the LSA crate, plus reinforcing the brick, an electric water pump, and heat a exchanger, some additional plumbing and electrical. Did I miss anything?
Depending on your chosen controller and tune the fuel pressure requirement may need a specialized controller etc.

https://www.vaporworx.com/shop/lsa-c...pecifications/

Don

1969 Camaro LSA 6L90E AME subframe and IRS
1969 Camaro vert LS3 4L65E Ridetech level 2 - sold
1959 El Camino project
1969 Mustang Sportsroof project
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1956 Cameo project - C5 drivetrain
1957 Buick Caballero project
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post #7 of 8 (permalink) Old Nov 8th, 18, 06:46 AM
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Re: LSA under a stock SS hood

58 psi is high fuel pressure. Not just any fuel pump can deliver. The GM Camaro ZL1 or Caddy CTSV fuel pump can be used with the PWM controller mentioned above.

The oil pan on a LSA is very close to the ground. Holley aftermarket replacement is one possibility. I use Holley 302-1. The 302-2 might work. External oil cooler would be a nice accessory because some of the oil capacity is lost with the shallow pan.

Front end accessories such as power steering pump, alternator are limited. Either stock setup or Concept One makes a pully system. Maybe there are more.

Mounting the AC compressor can be a challenge.

Supercharger intercooler is a challenge. C and R racing makes a bolt on cooler for a first generation Camaro.

Money can't buy you happiness but it can buy you car parts which is bout the same thang.
Patrick

Last edited by tp_smith; Nov 8th, 18 at 07:03 AM.
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post #8 of 8 (permalink) Old Nov 8th, 18, 08:06 AM
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Don
 
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Re: LSA under a stock SS hood

Quote:
Originally Posted by tp_smith View Post
58 psi is high fuel pressure. Not just any fuel pump can deliver. The GM Camaro ZL1 or Caddy CTSV fuel pump can be used with the PWM controller mentioned above.

The oil pan on a LSA is very close to the ground. Holley aftermarket replacement is one possibility. I use Holley 302-1. The 302-2 might work. External oil cooler would be a nice accessory because some of the oil capacity is lost with the shallow pan.

Front end accessories such as power steering pump, alternator are limited. Either stock setup or Concept One makes a pully system. Maybe there are more.

Mounting the AC compressor can be a challenge.

Supercharger intercooler is a challenge. C and R racing makes a bolt on cooler for a first generation Camaro.
I am not quite sure that is correct regarding 58 psi fuel pressure. Please review the Vaporworx link and the GMPP instructions....

I used the LSA pan and clearance is fine. Depends on the chosen subframe and engine mounts. The 6L90E pan hangs considerably lower in my case.

C&R makes a nice radiator with integrated oil and power steering coolers. They also have one that also has a trans cooler but I can tell you from experience radiator hose routing is a challenge due to the driver side upper hose location. Some cursing will likely be involved.

C&R intercooler will need some hood latch mods or the use of a cable hood latch similar to the Screaming Performance latch.

The Holley lower compressor mount will work with the stock accessory drive but subframe mods may be needed. I did not need any with my Art Morrison subframe.

Concept One accessory drive has suffered from belt slipping. Stock or Wegner seem to be preferred now

https://www.gmperformancemotor.com/parts/WAK053.html

Don

1969 Camaro LSA 6L90E AME subframe and IRS
1969 Camaro vert LS3 4L65E Ridetech level 2 - sold
1959 El Camino project
1969 Mustang Sportsroof project
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1956 Cameo project - C5 drivetrain
1957 Buick Caballero project

Last edited by dhutton; Nov 8th, 18 at 09:00 AM.
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