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#2433866 - 01/13/18 10:20 AM Re: Moparts official power adder thread [Re: tboomer]
NTOLERANCE Offline
master

Registered: 08/17/03
Posts: 4330
Loc: Madison Wi
Morning - just two quick questions on a twin plate system

I have two compucar 100 hp fixed plates atop my tunnel rammed 383
(Took years to find a match for the first one I bought )

My questions for those running two plates:

First - How many solenoids are you running ? Two fuel and two nitrous ? One of each per plate ?
Or have you plumbed one fuel and one solenoid to power both plates ?

Second - since I have two fixed 100hp plates - I'm going to assume I am not adding 200 hp to the engine. Maybe I am wrong.

I'm aware these fixed plates aren't the greatest and I could get a lot more out of an adjustable set. I plan to upgrade with the next engine
_________________________
I used to care but....... things have changed

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#2435437 - 01/16/18 12:13 AM Re: Moparts official power adder thread [Re: NTOLERANCE]
Jeremiah Offline
master

Registered: 03/03/03
Posts: 8099
Loc: Rogue River, OR
my 2c...

I would call Compucar.

Otherwise it will be tuned by fuel pressure so if it was me I'd put both plates on one solenoid for each side (n20/fuel) of the system and start at 5.0psi and do a short test hit. Due to the lack of jets you can't really change the nitrous to fuel ratio much other than by adjusting the pressure. Once you get a handle on that you can start bumping the timing back in. I'd be running some 110 or C12 and start around 22* total advance.

As far as the "HP" rating of the kit, it's hard to say. Either way you are adding x amount of fuel/nitrous x 2 so yes it is additive in a linear fashion. A true "200hp" nitrous shot will definitely get your attention. Don't be surprised if ends up making more like 250-300 hp if your combo like nitrous.

For the solenoids I'd uses whatever they offer for the NOS Big Shot or Race Fogger. Definitely go with -6 lines for future expansion.

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#2435848 - 01/16/18 04:21 PM Re: Moparts official power adder thread [Re: tboomer]
FastmOp Offline
master

Registered: 01/20/03
Posts: 5113
Loc: Hot Rod Ridge
200 shot is going to be fun.

Like Jeremiah said. Call Compucar

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#2436031 - 01/16/18 09:15 PM Re: Moparts official power adder thread [Re: FastmOp]
Jeremiah Offline
master

Registered: 03/03/03
Posts: 8099
Loc: Rogue River, OR
This was a "175" jetted NOS Big Shot and I shut it off because it was going lean. Still had 1000 RPM to go. Made 750 at 7000ish na. w/ a single 4150.

Don't mind the right O2 is was going South during the dyno session.

If you examine the sheet you will note a 330 hp increase between 4700-4900. Outstanding!



Attachments
IMG_20170821_152123_457.jpg



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#2439781 - 01/23/18 08:06 PM Re: Moparts official power adder thread [Re: Jeremiah]
Blucuda413 Offline
top fuel

Registered: 01/24/03
Posts: 2408
Loc: Alexandria, LA
I'm new to the blower world and in the final stretch of getting mine ready to run. I will be asking some questions here to try to prepare myself for the launch. Blower is 6-71 on a smallblock.

The first question has to do with the idler pulley. Most pictures I see of setups has the idler pulley running on the teeth side of the blower belt. Is this necessary? It would appear to do just as good a job running on the smooth side of the belt. In fact I need mine to run there to obtain needed clearance. Is there any problem with this configuration?

Thanks, Max

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#2440577 - 01/25/18 12:29 PM Re: Moparts official power adder thread [Re: Blucuda413]
Blucuda413 Offline
top fuel

Registered: 01/24/03
Posts: 2408
Loc: Alexandria, LA
Boost Gauge hookup? What size line is adequate to hook up a boost gauge. I have some braided brake lines which would look good but the hole in the fittings is tiny. Would they be OK for a boost gauge connection?? Thanks, Max

Never mind I noticed that the input to the gauge was extremely small so anything should work Max


Edited by Blucuda413 (01/25/18 05:43 PM)

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#2442764 - 01/29/18 07:06 AM Re: Moparts official power adder thread [Re: Jeremiah]
NTOLERANCE Offline
master

Registered: 08/17/03
Posts: 4330
Loc: Madison Wi
Originally Posted By Jeremiah
my 2c...

I would call Compucar.

Otherwise it will be tuned by fuel pressure so if it was me I'd put both plates on one solenoid for each side (n20/fuel) of the system and start at 5.0psi and do a short test hit. Due to the lack of jets you can't really change the nitrous to fuel ratio much other than by adjusting the pressure. Once you get a handle on that you can start bumping the timing back in. I'd be running some 110 or C12 and start around 22* total advance.

As far as the "HP" rating of the kit, it's hard to say. Either way you are adding x amount of fuel/nitrous x 2 so yes it is additive in a linear fashion. A true "200hp" nitrous shot will definitely get your attention. Don't be surprised if ends up making more like 250-300 hp if your combo like nitrous.

For the solenoids I'd uses whatever they offer for the NOS Big Shot or Race Fogger. Definitely go with -6 lines for future expansion.


I did call compu Car. They weren’t very helpful considering it’s an “obsolete” system
I get it- a tunable plate would be preferred....

I think i get what what you’re saying -the plate is fixed- give them the biggest flow at the solenoids you can (such as the big shot)
_________________________
I used to care but....... things have changed

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#2442816 - 01/29/18 09:30 AM Re: Moparts official power adder thread [Re: Blucuda413]
Blucuda413 Offline
top fuel

Registered: 01/24/03
Posts: 2408
Loc: Alexandria, LA
Safe blower belt clearance??? Based on your experience what is the minimum clearance necessary between a roots blower belt and anything else?

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#2443891 - 01/31/18 12:19 AM Re: Moparts official power adder thread [Re: NTOLERANCE]
Jeremiah Offline
master

Registered: 03/03/03
Posts: 8099
Loc: Rogue River, OR
Originally Posted By NTOLERANCE
Originally Posted By Jeremiah
my 2c...

I would call Compucar.

Otherwise it will be tuned by fuel pressure so if it was me I'd put both plates on one solenoid for each side (n20/fuel) of the system and start at 5.0psi and do a short test hit. Due to the lack of jets you can't really change the nitrous to fuel ratio much other than by adjusting the pressure. Once you get a handle on that you can start bumping the timing back in. I'd be running some 110 or C12 and start around 22* total advance.

As far as the "HP" rating of the kit, it's hard to say. Either way you are adding x amount of fuel/nitrous x 2 so yes it is additive in a linear fashion. A true "200hp" nitrous shot will definitely get your attention. Don't be surprised if ends up making more like 250-300 hp if your combo like nitrous.

For the solenoids I'd uses whatever they offer for the NOS Big Shot or Race Fogger. Definitely go with -6 lines for future expansion.


I did call compu Car. They weren’t very helpful considering it’s an “obsolete” system
I get it- a tunable plate would be preferred....

I think i get what what you’re saying -the plate is fixed- give them the biggest flow at the solenoids you can (such as the big shot)



I'm thinking you can tune with fuel pressure, timing and plug heat range just fine if you are way conservative with timing epsecially. If you hear the engine breaking up get out of it immediately something is not happy. Definitely run it on a minimum of 110 race gas.

On the solenoids the good thing about the NOS stuff is you can always use them with e 100-300hp plate later on.

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#2443912 - 01/31/18 02:05 AM Re: Moparts official power adder thread [Re: Blucuda413]
FastmOp Offline
master

Registered: 01/20/03
Posts: 5113
Loc: Hot Rod Ridge
Originally Posted By Blucuda413
Safe blower belt clearance??? Based on your experience what is the minimum clearance necessary between a roots blower belt and anything else?


1/2 inch. But more is better

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#2444640 - 02/01/18 11:24 AM Re: Moparts official power adder thread [Re: FastmOp]
Blucuda413 Offline
top fuel

Registered: 01/24/03
Posts: 2408
Loc: Alexandria, LA
Thanks FastmOp, I'm going to be close in some areas but I think I can make the 1/2". Would you happen to know the answer to the idler pulley question above? Thanks, Max

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#2451506 - 02/13/18 10:18 PM Re: Moparts official power adder thread [Re: tboomer]
FastmOp Offline
master

Registered: 01/20/03
Posts: 5113
Loc: Hot Rod Ridge
All I have ever seen was with it on the cog side of the belt but i can't see it hurting anything.

It has to be on the slack side of the belt. Drivers right.

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#2452334 - 02/15/18 07:33 PM Re: Moparts official power adder thread [Re: FastmOp]
jcc Offline
No politics

Registered: 12/21/03
Posts: 16972
Loc: Trumussia
BOV, best location? As close as convenient to throttle body? Does it's position need to maintain a flow momentum path like a wastegate?'
_________________________
Seeking more civil pastures

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#2459235 - 02/28/18 11:49 PM Re: Moparts - Monte Smith Official Power Adder Thread [Re: tboomer]
FastmOp Offline
master

Registered: 01/20/03
Posts: 5113
Loc: Hot Rod Ridge
I ran mine in an easy to get to area and have had no issues.


Attachments
20180227_010220.jpg



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#2480735 - 04/10/18 07:25 PM Re: Moparts - Monte Smith Official Power Adder Thread [Re: tboomer]
rdakota340 Offline
member

Registered: 03/19/08
Posts: 56
Loc: florida,usa
BOV can go anywhere some guys put them right by the inner cooler.
_________________________
Turbos The Only Power Adder!

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#2500191 - 05/25/18 02:47 AM Re: Moparts - Monte Smith Official Power Adder Thread [Re: tboomer]
FastmOp Offline
master

Registered: 01/20/03
Posts: 5113
Loc: Hot Rod Ridge
Ever drink a few beers, go set in the racecar😎. And Turn the thing up!

Hoping for a new best 60 foot and 330. The tracks short so I'm on the chute before the MPH cone at the 1/8.

Hope we get a good vid. Out of the outing

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#2500565 - 05/26/18 04:39 AM Re: Moparts - Monte Smith Official Power Adder Thread [Re: tboomer]
FastmOp Offline
master

Registered: 01/20/03
Posts: 5113
Loc: Hot Rod Ridge
Ohh so close at a 1.161 sixty. Best ever is a 1.154. Working on vid.

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#2507927 - 06/13/18 12:21 PM Re: Moparts - Monte Smith Official Power Adder Thread [Re: tboomer]
JoWeTu_6 Offline
enthusiast

Registered: 02/23/09
Posts: 287
Loc: Arkansas
Ok, I'll start by saying I have a 588ci Indy Maxx motor as it
sits now it's approximately 1100hp on alcohol and all motor.
I've absolutely decided to go with a wet nitrous oxide system.
My thinking is to spray with C12.
My question is in leading up to this decision their was and has
been a debate as to what should be used to spray the nitrous with gas
or alcohol?
What thoughts do you all have on this subject?
Thanks in advance.
John T.

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