Need help with LSA swap ALMOST THERE!!! - Pontiac G8 Forum: G8 Forums - G8Board.com
 
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post #1 of 6 (permalink) Old 03-18-2018, 02:45 PM Thread Starter
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Need help with LSA swap ALMOST THERE!!!

Finishing up the LSA install and could really use some help. What intake are you guys using? What belt should I get from napa with cts-v balancer and 2.55 upper? How did you get the fuel from the passenger side to the drivers side?
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post #2 of 6 (permalink) Old 03-18-2018, 10:48 PM
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The intake is something that I'm having issues with too.
From what I've seen 65.2".
I think if you're using the CTS-V fuel rail, you should be able to flip it.
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post #3 of 6 (permalink) Old 03-19-2018, 02:58 PM
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Here are the belt sizes.
https://www.havocspeed.com/documenta...er-belt-guide/

I modified my roto fab intake to fit the LSA.

You will most likely have to make your own fuel line. I used the ZR1 fuel rail which has the inlet on the driver side but still needed to make my own line.

1978 Trans AM
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post #4 of 6 (permalink) Old 03-19-2018, 07:53 PM
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Quote:
Originally Posted by Darkstar View Post
Here are the belt sizes.
https://www.havocspeed.com/documenta...er-belt-guide/

I modified my roto fab intake to fit the LSA.

You will most likely have to make your own fuel line. I used the ZR1 fuel rail which has the inlet on the driver side but still needed to make my own line.
I tried modifying my rotofab and it came out messed up. I need a new tube
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post #5 of 6 (permalink) Old 03-20-2018, 12:06 AM
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For the CAI intake here are some options:
- Spectra then mod to fit (in attached image)
- Rotofab mod to fit - use UBI 4in or 5in. I have a roto/5in. It's overkill as for a daily driver you will invest much time on MAF calibration /predicted trans values to get smooth driving due to low air flow in the 5in tube.

The UBI can be had in 4 or 5in. You would still need to figure out the MAF.

https://www.airaid.com/maf_adapters....d=5305718&rw=1
or
https://www.airaid.com/search/produc...?prod=AIR-9701

Here is a nice transition tube.
https://www.racepartsolutions.com/it...cing-90-degree

On the fuel side, I went with ZLI fuel rail and fab'd my own hose/connectors (see image).
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post #6 of 6 (permalink) Old 05-22-2019, 11:48 AM
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Im using a hacked up Roto Fab with the stock LS3 MAF. It works, but certainly restrictive.

Supercharger Belt is Gates 080661

Im not sure if the fuel line is in the same spot on the G8 as it is on the SS, but I used a ZR1 fuel rail to put the inlet on the drivers side. A small fuel line, maybe 6" long, was made to connect it. Shop that did the work used :

Russell Push-On EFI Fitting and -6an Male to 3/8" Female Quick-Connect 644123
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2015 SLIHR Chevrolet SS M6
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