LS Conversion Complete - Team Camaro Tech
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post #1 of 16 (permalink) Old Jun 21st, 13, 07:41 PM Thread Starter
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Gene
 
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LS Conversion Complete

It took me three years to get the conversion done and here it is. Tried to keep it as stock looking as possible. No additional bling.

The engine is an L92 from a 2007 Cadillac Escalade (used w/28k miles) with an LS3 intake, injectors, throttle body and 2010 Camaro accessory drive. I used Doug's Headers and engine adapters. The Mast Motorsports M120 ECM controls the stock VVT cam.

OK pics didn't upload... give me a little while.

1969 Camaro - Intense Blue Pearlcoat/white (Baldwin-Motion paint scheme), stock 6.2 liter L92 with VVT, LS3 intake, Doug's Headers; Tremec TKO, 3.73 12-bolt posi.
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post #2 of 16 (permalink) Old Jun 21st, 13, 08:11 PM
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Re: LS Conversion Complete

Can't wait to see the pics!

How's she run?

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post #3 of 16 (permalink) Old Jun 21st, 13, 08:40 PM Thread Starter
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Re: LS Conversion Complete

pic #1
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1969 Camaro - Intense Blue Pearlcoat/white (Baldwin-Motion paint scheme), stock 6.2 liter L92 with VVT, LS3 intake, Doug's Headers; Tremec TKO, 3.73 12-bolt posi.
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post #4 of 16 (permalink) Old Jun 21st, 13, 08:41 PM Thread Starter
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Gene
 
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Re: LS Conversion Complete

Well, doesnt look like I can add any more pics, very limited space.

Runs awesome. Just like I was hoping. Significantly more useable torque than the old 350. I can get down to 45 MPH in 5th gear and the engine pulls right out of the hole.

I took a friend on the Power Tour and we averaged almost 21 MPG on the 2600 mile trip.

1969 Camaro - Intense Blue Pearlcoat/white (Baldwin-Motion paint scheme), stock 6.2 liter L92 with VVT, LS3 intake, Doug's Headers; Tremec TKO, 3.73 12-bolt posi.
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post #5 of 16 (permalink) Old Jun 21st, 13, 09:06 PM Thread Starter
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Re: LS Conversion Complete

Added pics in in the Photo Gallery. See 1969 LS Conversion album.

1969 Camaro - Intense Blue Pearlcoat/white (Baldwin-Motion paint scheme), stock 6.2 liter L92 with VVT, LS3 intake, Doug's Headers; Tremec TKO, 3.73 12-bolt posi.
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post #6 of 16 (permalink) Old Jun 22nd, 13, 05:59 AM
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Re: LS Conversion Complete

Looks great

21 MPG ??,nice......... I'd be happy with 12

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post #7 of 16 (permalink) Old Jun 22nd, 13, 06:47 AM
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Re: LS Conversion Complete

The conversion looks very sharp & clean.
If you donít mind my asking, what is the total approximate cost of everything, if you did all the labor? Where did you buy your engine, in the D/FW area?
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post #8 of 16 (permalink) Old Jun 22nd, 13, 09:12 AM Thread Starter
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Re: LS Conversion Complete

Honestly, it was way more expensive than I expected. I estimate it was around $10-$11k for the install and that was with me doing all of the labor (that's why it took 3 years). I did not want a junk yard special and I wanted everything done right with the right parts the first time.

The two biggest costs were the engine ($3,200) and the Mast ECM ($2,500). The remaining amount was spent on lots of other parts - Aeromotive Stealth gas tank, Doug's Headers, Mast oil pan, LS3 intake.

You could definitely do it cheaper by buying a complete car engine and starting from there or by getting a truck engine with an iron block. When I bought the engine 3 years ago, car engines were very rare at the recycling yards. Also, I went high end on the ECM as well. A GM ECM and modified harness would save some bucks.

1969 Camaro - Intense Blue Pearlcoat/white (Baldwin-Motion paint scheme), stock 6.2 liter L92 with VVT, LS3 intake, Doug's Headers; Tremec TKO, 3.73 12-bolt posi.
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post #9 of 16 (permalink) Old Jun 22nd, 13, 09:59 AM
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Re: LS Conversion Complete

VERY nicely done! I love it....

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post #10 of 16 (permalink) Old Jun 25th, 13, 09:03 AM
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Re: LS Conversion Complete

That looks great! Well done!
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post #11 of 16 (permalink) Old Jun 25th, 13, 11:42 AM
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Re: LS Conversion Complete

What's the advantage of the higher end MAST ECM?

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post #12 of 16 (permalink) Old Jun 25th, 13, 12:51 PM
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Re: LS Conversion Complete

Nice Gene! Very clean install... I like the "no additional bling" setup.
More usable power AND double the gas mileage. How can you beat that?

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post #13 of 16 (permalink) Old Jun 25th, 13, 02:43 PM
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Re: LS Conversion Complete

did you have a big block in it before ? or did you have to switch the heater housing to the big block housing to make the ls fit ?
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post #14 of 16 (permalink) Old Jun 25th, 13, 03:18 PM
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Re: LS Conversion Complete

Claes, an LS isn't much different than any other small block. Sometimes the heater hose connections for a small block heater box can be pretty close in an LS swap, but you don't HAVE to use a big block heater box if you don't want to.
Mine are close, but I'll still be able to get hoses and clamps on them.

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post #15 of 16 (permalink) Old Jun 27th, 13, 05:28 PM Thread Starter
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Re: LS Conversion Complete

il_randyb

The Mast ECM handles drive-by-wire and operates the VVT. It uses two wideband O2 sensors, one for each cylinder bank and is self programming. We started with the equivalent of a 2010 Camaro L99 tune, modified for headers, and the ECM takes it from there. No trips to a tuning shop were needed. Fired it up Memorial Day weekend and was on the Power Tour a week later.

It also does not require a VSS signal and does not use a MAF sensor (MAP only), which simplified intake tract plumbing. Finally, it is capable of handling a cruise control function, although it is not supported in the current software version (I hope this is eventually supported).

I had other reasons for buying the Mast ECM as well. They sell VVT cams and they have developed tunes for their cams from their own dyno testing. I buy the cam, install it and they give me the tune - one stop shop. Also located about two hours from me, so if I ever have a problem, they are relatively close.

Support was good. There was an initial hiccup on the tune that was in the ECM when shipped, but it was quickly ironed out with a new one.

1969 Camaro - Intense Blue Pearlcoat/white (Baldwin-Motion paint scheme), stock 6.2 liter L92 with VVT, LS3 intake, Doug's Headers; Tremec TKO, 3.73 12-bolt posi.
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