[pimpallya59]

Did you think about putting a spacer to help?

im not sure what spacer youre talking about. if you mean the adapter plate, i needed the 1" adapter plate/spacer to adapt the 122 supercharger on to my 112 manifold. they are 2 different bolt patterns and the snout of the 122 is a couple inches shorter than the 112 was. the added bonus was the adapter also centered the 122 outlet better between the intake ports. the 112 outlet was more towards the rear 4 cylinders. was always worried about intake temp differences between the front 4 cylinders and the rear 4 cylinders. never had a problem but never pushed it fully to the limits as far as tuning, ambient temps and say a long road trip like vegas. thats 300 one way. i did drive it to palm springs for a cruise one time. but that was only 250ish round trip and the outside temps werent too bad. i didnt even need to run the ac that day. oh yeah. ac is still intact and working great. i dont want to pull the ac system off.
i do wish there was an intercooler that i could run and pipe it through the adapter plate/ spacer but i havent figured that out YET. maybe some day though.

 

[rodney]

im not sure what spacer youre talking about. if you mean the adapter plate, i needed the 1" adapter plate/spacer to adapt the 122 supercharger on to my 112 manifold. they are 2 different bolt patterns and the snout of the 122 is a couple inches shorter than the 112 was. the added bonus was the adapter also centered the 122 outlet better between the intake ports. the 112 outlet was more towards the rear 4 cylinders. was always worried about intake temp differences between the front 4 cylinders and the rear 4 cylinders. never had a problem but never pushed it fully to the limits as far as tuning, ambient temps and say a long road trip like vegas. thats 300 one way. i did drive it to palm springs for a cruise one time. but that was only 250ish round trip and the outside temps werent too bad. i didnt even need to run the ac that day. oh yeah. ac is still intact and working great. i dont want to pull the ac system off.
i do wish there was an intercooler that i could run and pipe it through the adapter plate/ spacer but i havent figured that out YET. maybe some day though.

Same guy you Got the adapter plate from makes an intercooler if it is the same guy. Guy up in the UP here in Michigan makes those adapter plates. I am working with him on shortening the snout on an M122 blower I am using for a different application. Wow, you have done a lot to that engine. Not sure that I would go through all that with this build. Thinking of trying to find a better cam, better heads and calling it a day. If I go further than that I would probably do an LS swap. Not sure. The LT1, based on some reviews I have seen, put out more power than the LS engines. But hard to come by parts for them as much any more. Or so I have been told. May just stick this blower on my car and see how it runs as is with bigger injectors and 411 PCM upgrade.

 

[pimpallya59]

Same guy you Got the adapter plate from makes an intercooler if it is the same guy. Guy up in the UP here in Michigan makes those adapter plates. I am working with him on shortening the snout on an M122 blower I am using for a different application. Wow, you have done a lot to that engine. Not sure that I would go through all that with this build. Thinking of trying to find a better cam, better heads and calling it a day. If I go further than that I would probably do an LS swap. Not sure. The LT1, based on some reviews I have seen, put out more power than the LS engines. But hard to come by parts for them as much any more. Or so I have been told. May just stick this blower on my car and see how it runs as is with bigger injectors and 411 PCM upgrade.

i got mine from a guy in arizona. do you have a link to a web site or an email i can contact this person at? from all ive heard and seen, a stock lt1 will handle 6-8 lbs boost for a while (depending on mileage). i was spinning the 112 at its max. made 11-12 lbs boost. but with maxed out S/C comes higher temps.
im hoping to get a little more boost out of the 122, but at a much lower charge temp by not having to max its rpms out
with all that said, if running a stock bottom end, a 112 would suit you just fine at 6-8lbs. if you want 10+ lbs i would step up to a122 or larger. just know your bottom end is eventually gonna give up the ghost. not a maybe, but more of a when....
what are you shortening a m122 snout for? theyre short as it is. very stubby to begin with. lol

 

[rodney]

I have an STS-V blower I am modifying to install into my 2012 CTS with 3.6 LFX. The snout is pretty long on this and how I am mounting it, the shorter the snout the easier the installation. This is basically a M122 with a custom OEM housing to support an air/water intercooler. I am remote mounting this SC in my Caddie so it is not really obvious otherwise it would probably stick 6-8 inches out of the hood. If I am successful with this I could consider getting another and putting it on my 9C1 but it would likely stick out of the hood because of how it would have to be installed. Unless I stripped it down like I am for the CTS.

Check out this guy: Facebook He makes pretty much anything.

 

[95wagon]

From the outside looking in ( as in I dont have a blower car) the thought of hanging a blower pulley WAY off the front of a B body configuration is horrifying to me.
Are you big boost guys converting to BB Chev snout dimensions?
The little 1.25 dia crank with only 1.3ish hub engagement, just seems problematic.

 

[rodney]

Shouldn't be a big deal. The OEM setup is like that so it should be fine.

 

[95wagon]

What OEM setup?

While not a B body blower owner, I should clarify I am not unfamiliar with drives being ripped off the front of engines.

 

[rodney]

The LSX engines aren't much different. They have a keyed crank shaft so it makes a difference but not like you are slamming a crap load of power on the front of the engine.

 

[95wagon]

The ls crank is way larger than the SB chev.
BTW the LT1 crank has a keyway,just not used in stock form.
The only keyed LS's are the A and the 9.

The B body configuration has the damper an ungodly distance out the from the front BEFORE someone hangs a blower pulley on it.

 

[95wagon]

Ls is 1.48 iir

 

[pimpallya59]

it has a lot to do with belt tightness i would think, if i was using a 4 rib belt id need the belt tension to be way tighter than a 8 rib belt to avoid slippage. i have a forged crank and an ati damper and the 6 rib on the 112 never slipped and rhe 122 uses an 8 rib belt. so i doubt ill have a problem there either. i think it boils down to the belt tension. the more ribs, the less tension needed to avoid slippage

 

[pimpallya59]

Check out this guy: Facebook He makes pretty much anything.

any other way to find him? im one of those non facespace/ mybook having individuals...

 

[rodney]

any other way to find him? im one of those non facespace/ mybook having individuals...

I do have his number but not publicly posting that. I can also try seeing what he says. I am pretty sure he sells the intercoolers for them but not 100%

 

[rodney]

I wanted to bump this thread again. I will be working with the guy again this winter trying to figure out a way to put a roots style blower on these cars reasonably cheaply.

Is there an aftermarket intake for these cars such as a high ram intake or anything like that which is available for the LS engines? Hope to take my car out of storage in the spring and have the transmission gone over again to figure out why it isn't working. Will any Small Block intake work on these engines?

I will be upgrading to a Torque Head LS coil system so I will be removing the Optispark.

I have a M122 blower I will be trying to get onto my car.
At worst he has told me he can CNC shave off the top of a stock intake and go from there but hoping we can find a better route to take.

 

[Marky Dissod]

Is there an aftermarket intake for these cars such as a high ram intake, or anything like that which is available for the LS engines?

So far as I know, only ONE ISSF member - @Old Coot - ever installed this on his L99 (something went wrong with his LT1), with pretty much the results you'd expect:
even more part-throttle torque under 3000RpM than stock.

https://firstfuelinjection.com/shop-now-%26-buy/ols/products/natural-finish-first-tpi

 

[Caddylack]

Well, there has always been the Edelbrock LT1 intake.

My impression is that the Edelbrock intake is nice, but it's expensive and provides only minor gains.

You would be better off starting with a stock intake or CNCing your own from scratch.

 

[stonebreaker]

Machining the base off a stock intake is probably the best way to go, because you don't have to block off the distributor hole or the water intake port. However, any late model small block intake can be made to work. You just have to make sure you get one that has the right angle bolt holes. Not sure what year that was they changed - 1987 maybe? Just keep in mind that you need to check the intake bolt hole angle on whatever intake you decide on.

 

[nsaness]

I wanted to bump this thread again. I will be working with the guy again this winter trying to figure out a way to put a roots style blower on these cars reasonably cheaply.

Is there an aftermarket intake for these cars such as a high ram intake or anything like that which is available for the LS engines? Hope to take my car out of storage in the spring and have the transmission gone over again to figure out why it isn't working. Will any Small Block intake work on these engines?

I will be upgrading to a Torque Head LS coil system so I will be removing the Optispark.

I have a M122 blower I will be trying to get onto my car.
At worst he has told me he can CNC shave off the top of a stock intake and go from there but hoping we can find a better route to take.

Can you, (or are you), working with "C4 Central" for the manifold adaptor? He seems to have the cad files, and is machining an adaptor to fit a Whipple on the LT1. He could probably machine the blower side for any unit? Keep in mind, you will be best served by using an intercooler (for any supercharger) on the LT1. This is the major flaw that I find with C4 Central's prototype approach (no intercooler provision on the prototype).

I wish you both luck, as I would certainly trade my centrifugal for the low end punch of a roots blower.

That said, I feel like to "do it right" (right - as defined ONLY by my personal taste); you will be budgeting well into LS swap territory, and you can do a blown LS motor with better drivability and more potential for big power. I am sitting here sincerely hoping to be proven wrong. Good luck!

 

[stonebreaker]

Can you, (or are you), working with "C4 Central" for the manifold adaptor? He seems to have the cad files, and is machining an adaptor to fit a Whipple on the LT1. He could probably machine the blower side for any unit? Keep in mind, you will be best served by using an intercooler (for any supercharger) on the LT1. This is the major flaw that I find with C4 Central's prototype approach (no intercooler provision on the prototype).

I wish you both luck, as I would certainly trade my centrifugal for the low end punch of a roots blower.

That said, I feel like to "do it right" (right - as defined ONLY by my personal taste); you will be budgeting well into LS swap territory, and you can do a blown LS motor with better drivability and more potential for big power. I am sitting here sincerely hoping to be proven wrong. Good luck!

There's a guy around here with a 97 F-body with a centrifugal and he's making over 1000 rwhp on e85. With e85 (or meth injection) you wouldn't need the intercooler so much.

 

[nsaness]

There's a guy around here with a 97 F-body with a centrifugal and he's making over 1000 rwhp on e85. With e85 (or meth injection) you wouldn't need the intercooler so much.

Possible vs practical:
Yeah, if you go E85 AND meth, I could see it "working" fine; even at 1,000hp. That set up is probably not something most would want to daily though. I ran my old 15lb centrifugal set up with a small shot of nitrous as my intercooler. It worked, but again, it was a lot to manage for a daily driver.

I was thinking most people who want a roots blower on the Impala want more of a daily driver vs a race car. I think the intercooler makes the blower more daily driver friendly, and more reliable. More like an OEM application.
Besides, in the year 2022, if 1,000 hp is your goal, don't you legally have to go with twin turbos? lol