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Old 04-26-2015, 09:45 AM   #1
mj446699
 
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LSA conversion build

Well I have decided to do the LSA conversion earlier than planned. I wanted to be able to take it down to ADM to have it done but the 14 hour drive, flight back, and then there again, followed by another 14 hour drive just made it seem like too much! From reading through everything, Andy would have been my first choice but I just can't seem to make that work!

A couple questions....

Current setup:
2015 2SS L99
CAI, ADM scoop
Stainless Power 1-7/8" headers
Off Road pipes

I am having the performance shop install a cam and do the LSA conversion with the new blower.

My goal is 600+ RWHP. 620 would be my ultimate goal.

To get to that number, do I also need to do the heads? I've read and read and it seems the only gains likely, will be 20+ HP.

Besides the LSA conversion kit, I figured I will need the ZL1 fuel pump, 85# injectors, and Pulley.

Do I go with the 2.5" pulley, or 2.38"?

The kit doesn't come with the larger injectors, does it?

The shop said they have spec'd many cams for the L99 and will use one of their Comp Cams they have spec'd, giving me a good Lope, but making it daily drivable.

I figured the following:
$4600.00 for LSA Kit with blower
$139.00 for Pulley
$445.00 for 85# injectors
$259.00 for ZL1 Fuel Pump
$450.00 for HP tuner credit and Dyno Tune
Roughly 3k to 4k for Cam install on the L99, including cam.

Let me know if I'm leaving anything off or if you think I need more to get to 600+ RWHP goal.

thanks in advance! hoping to do it Mid May!
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Old 04-26-2015, 12:05 PM   #2
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Great choice. I grew up in sheldon. I have an adm built car. I make the drive back home often in around 13 hours. You can do it in 12 if you dont stop a million times. I bet if you talk to andy you could bring it down on a thursday and drive it home a couple days later. Hang out for a couple days and cruise home with a smile. You wont be disappointed.

It all depends on what you want in the end.

I would suggest the lsa conversion with the ls3 conversion with the stage 2 cam. Bigger injectors and the 2.5 pulley and hub.
Zl1 pump with adm fpcm. Tuned it should make 600rwhp.
As for heads thats up to you. Andy has some nice ported heads in stock. I think he has different ones to choose from. I would buy gmpp ls3 cnc ported heads for $1250 and sell your stock ones for $600. Thats what i have and they flow a lot of air. Probably 30hp upgrade.

In the end its all in the tune. Thats where it is hard to beat an adm dyno tuned car. Wont come off the rollers till its perfect.
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Old 04-26-2015, 12:15 PM   #3
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And if you decide

Quote:
Originally Posted by smokum View Post
Great choice. I grew up in sheldon. I have an adm built car. I make the drive back home often in around 13 hours. You can do it in 12 if you dont stop a million times. I bet if you talk to andy you could bring it down on a thursday and drive it home a couple days later. Hang out for a couple days and cruise home with a smile. You wont be disappointed.

It all depends on what you want in the end.

I would suggest the lsa conversion with the ls3 conversion with the stage 2 cam. Bigger injectors and the 2.5 pulley and hub.
Zl1 pump with adm fpcm. Tuned it should make 600rwhp.
As for heads thats up to you. Andy has some nice ported heads in stock. I think he has different ones to choose from. I would buy gmpp ls3 cnc ported heads for $1250 and sell your stock ones for $600. Thats what i have and they flow a lot of air. Probably 30hp upgrade.

In the end its all in the tune. Thats where it is hard to beat an adm dyno tuned car. Wont come off the rollers till its perfect.
I am sure Andy would help anyway he can.....in the build...
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Old 04-26-2015, 12:42 PM   #4
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Me myself I read other people thread how good ADM performance is and all that good comments and I decided to do a lsa conversion i called Andy and talked to him and what my goal was and explained where I wanted to be as far as HP and cost and Andy was REALLY REALLY helpful and very knowledgeable and answered all my questions and i placed an order with him couple weeks ago and can't wait to get it installed and lucky me i only live 3 1/2 hours away
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Old 04-26-2015, 12:59 PM   #5
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Just throwing this out there... I have the stage 3 btr cam in an auto and love it! (3200 stall) drives like stock
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Old 04-26-2015, 01:49 PM   #6
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Originally Posted by ttshovel View Post
Just throwing this out there... I have the stage 3 btr cam in an auto and love it! (3200 stall) drives like stock
I would go stage 3 if there is a stall being installed in a heartbeat. I had the stage 3 with a 3200 in my vert and loved it.
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Old 04-26-2015, 07:18 PM   #7
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Quote:
Originally Posted by smokum View Post
I would go stage 3 if there is a stall being installed in a heartbeat. I had the stage 3 with a 3200 in my vert and loved it.
If I go with a 3200 stall, and stage 3 cam, do I lose "dyno hp" but gain it back by going with a more agreesive cam? Does anyone have anything bad to say about Comp Cams? The shop I've been speaking with said they are about all they use, and I don't read that much on them here.
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Old 04-26-2015, 08:13 PM   #8
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Quote:
Originally Posted by mj446699 View Post
If I go with a 3200 stall, and stage 3 cam, do I lose "dyno hp" but gain it back by going with a more agreesive cam? Does anyone have anything bad to say about Comp Cams? The shop I've been speaking with said they are about all they use, and I don't read that much on them here.
You will not lose hp on the dyno...

Make sure you get a triple disc so you can wot lockup! I wish I would have went with a 3600! May pull it back out and have it restalled!
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Old 04-27-2015, 06:29 AM   #9
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Quote:
Originally Posted by mj446699 View Post
Well I have decided to do the LSA conversion earlier than planned. I wanted to be able to take it down to ADM to have it done but the 14 hour drive, flight back, and then there again, followed by another 14 hour drive just made it seem like too much! From reading through everything, Andy would have been my first choice but I just can't seem to make that work!

A couple questions....

Current setup:
2015 2SS L99
CAI, ADM scoop
Stainless Power 1-7/8" headers
Off Road pipes

I am having the performance shop install a cam and do the LSA conversion with the new blower.

My goal is 600+ RWHP. 620 would be my ultimate goal.

To get to that number, do I also need to do the heads? I've read and read and it seems the only gains likely, will be 20+ HP.

Besides the LSA conversion kit, I figured I will need the ZL1 fuel pump, 85# injectors, and Pulley.

Do I go with the 2.5" pulley, or 2.38"?

The kit doesn't come with the larger injectors, does it?

The shop said they have spec'd many cams for the L99 and will use one of their Comp Cams they have spec'd, giving me a good Lope, but making it daily drivable.

I figured the following:
$4600.00 for LSA Kit with blower
$139.00 for Pulley
$445.00 for 85# injectors
$259.00 for ZL1 Fuel Pump
$450.00 for HP tuner credit and Dyno Tune
Roughly 3k to 4k for Cam install on the L99, including cam.

Let me know if I'm leaving anything off or if you think I need more to get to 600+ RWHP goal.

thanks in advance! hoping to do it Mid May!
Yes you need heads,We just finished a local car that made 580 rwhp and 537 rwtq with a 2.75" pulley 8.5 psi boost.If you go better heads now you will make more power with less boost and less heat.My .02
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Old 04-27-2015, 07:55 AM   #10
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Subscribed, looking forward to seeing this car evolve with the LSA kit.
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Old 04-27-2015, 05:28 PM   #11
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When I told the shop I was hoping for 620 out of it, he suggested skipping the heads and torque converter and going with the e85 conversion. Less money and he was sure it would have a better chance of 640 or so. Now I just need to research that option and see if I like it. Anybody do the e85 conversion yet??
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Old 04-27-2015, 06:24 PM   #12
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Idk about less money because you need much larger injectors, twin pump setup, and a flex fuel kit. Probably just as much as heads and converter! But you will see some great gains either way!
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Old 04-27-2015, 09:13 PM   #13
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I would go heads and cam now with stall. You can always upgrade to e85 easier later on.
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Old 04-28-2015, 07:36 AM   #14
Sack Rat 2SS

 
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Quote:
Originally Posted by ttshovel View Post
Idk about less money because you need much larger injectors, twin pump setup, and a flex fuel kit. Probably just as much as heads and converter! But you will see some great gains either way!
This is all correct. You will be lucky to get 200 miles on a tank of E85 so frequent fill ups. I ran E85 for a year on a NA 500 hp motor. I agree that E85 makes more sense in a FI motor. Where you live I assume E85 is plentiful. I did not have a flex fuel kit installed but would consider it. Personally, I did not enjoy being tethered to E85 only as it limited where and how far I could drive without the flex fuel kit. FYI
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Old 04-28-2015, 07:55 AM   #15
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Good is not cheap,cheap is never good!

Do it right the first time,lay a solid foundation first
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Old 04-28-2015, 08:28 PM   #16
mj446699
 
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We do have a lot of e85 around here. I'm having him quote both options, heads/stall, and e85 conversion. He has a ZL1 on the dyno tonight doing the cam and finishing the e85 conversion, so I will have an idea what he can get out of it. He said depending on hp goals, some customers have used the ZL1 pump and done alright, but I think from the little research I have done, I would want the Squash dual pumps, with ID1000's to do it right from the start. Just wish I had a way to lay out the HP gain options and decide from there
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Old 04-29-2015, 07:47 PM   #17
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Quote:
Originally Posted by mj446699 View Post
We do have a lot of e85 around here. I'm having him quote both options, heads/stall, and e85 conversion. He has a ZL1 on the dyno tonight doing the cam and finishing the e85 conversion, so I will have an idea what he can get out of it. He said depending on hp goals, some customers have used the ZL1 pump and done alright, but I think from the little research I have done, I would want the Squash dual pumps, with ID1000's to do it right from the start. Just wish I had a way to lay out the HP gain options and decide from there
Stock bottom end is only good to 600ish RWHP...Don't ask for more!

Squash is the only way to go
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