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Re: Moparts official power adder thread [Re: tboomer] #2433866
01/13/18 01:20 PM
01/13/18 01:20 PM
Joined: Aug 2003
Posts: 4,334
Madison Wi
NTOLERANCE Offline
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NTOLERANCE  Offline
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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
Re: Moparts official power adder thread [Re: NTOLERANCE] #2435437
01/16/18 03:13 AM
01/16/18 03:13 AM
Joined: Mar 2003
Posts: 8,198
Rogue River, OR
Jeremiah Offline
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Jeremiah  Offline
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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.

Re: Moparts official power adder thread [Re: tboomer] #2435848
01/16/18 07:21 PM
01/16/18 07:21 PM
Joined: Jan 2003
Posts: 5,244
Hot Rod Ridge
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Hot Rod Ridge
200 shot is going to be fun.

Like Jeremiah said. Call Compucar

Re: Moparts official power adder thread [Re: FastmOp] #2436031
01/17/18 12:15 AM
01/17/18 12:15 AM
Joined: Mar 2003
Posts: 8,198
Rogue River, OR
Jeremiah Offline
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Jeremiah  Offline
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Posts: 8,198
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!


IMG_20170821_152123_457.jpg
Re: Moparts official power adder thread [Re: Jeremiah] #2439781
01/23/18 11:06 PM
01/23/18 11:06 PM
Joined: Jan 2003
Posts: 2,457
Alexandria, LA
B
Blucuda413 Offline
top fuel
Blucuda413  Offline
top fuel
B

Joined: Jan 2003
Posts: 2,457
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

Re: Moparts official power adder thread [Re: Blucuda413] #2440577
01/25/18 03:29 PM
01/25/18 03:29 PM
Joined: Jan 2003
Posts: 2,457
Alexandria, LA
B
Blucuda413 Offline
top fuel
Blucuda413  Offline
top fuel
B

Joined: Jan 2003
Posts: 2,457
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

Last edited by Blucuda413; 01/25/18 08:43 PM.
Re: Moparts official power adder thread [Re: Jeremiah] #2442764
01/29/18 10:06 AM
01/29/18 10:06 AM
Joined: Aug 2003
Posts: 4,334
Madison Wi
NTOLERANCE Offline
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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
Re: Moparts official power adder thread [Re: Blucuda413] #2442816
01/29/18 12:30 PM
01/29/18 12:30 PM
Joined: Jan 2003
Posts: 2,457
Alexandria, LA
B
Blucuda413 Offline
top fuel
Blucuda413  Offline
top fuel
B

Joined: Jan 2003
Posts: 2,457
Alexandria, LA
Safe blower belt clearance??? Based on your experience what is the minimum clearance necessary between a roots blower belt and anything else?

Re: Moparts official power adder thread [Re: NTOLERANCE] #2443891
01/31/18 03:19 AM
01/31/18 03:19 AM
Joined: Mar 2003
Posts: 8,198
Rogue River, OR
Jeremiah Offline
master
Jeremiah  Offline
master

Joined: Mar 2003
Posts: 8,198
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.

Re: Moparts official power adder thread [Re: Blucuda413] #2443912
01/31/18 05:05 AM
01/31/18 05:05 AM
Joined: Jan 2003
Posts: 5,244
Hot Rod Ridge
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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

Re: Moparts official power adder thread [Re: FastmOp] #2444640
02/01/18 02:24 PM
02/01/18 02:24 PM
Joined: Jan 2003
Posts: 2,457
Alexandria, LA
B
Blucuda413 Offline
top fuel
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top fuel
B

Joined: Jan 2003
Posts: 2,457
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

Re: Moparts official power adder thread [Re: tboomer] #2451506
02/14/18 01:18 AM
02/14/18 01:18 AM
Joined: Jan 2003
Posts: 5,244
Hot Rod Ridge
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Posts: 5,244
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.

Re: Moparts official power adder thread [Re: FastmOp] #2452334
02/15/18 10:33 PM
02/15/18 10:33 PM
Joined: Dec 2003
Posts: 17,575
Trumussia
J
jcc Offline
No politics
jcc  Offline
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Posts: 17,575
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?'


On vacation until 2-15-19 Figuratively
Re: Moparts - Monte Smith Official Power Adder Thread [Re: tboomer] #2459235
03/01/18 02:49 AM
03/01/18 02:49 AM
Joined: Jan 2003
Posts: 5,244
Hot Rod Ridge
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Hot Rod Ridge
I ran mine in an easy to get to area and have had no issues.

20180227_010220.jpg
Re: Moparts - Monte Smith Official Power Adder Thread [Re: tboomer] #2480735
04/10/18 09:25 PM
04/10/18 09:25 PM
Joined: Mar 2008
Posts: 57
florida,usa
rdakota340 Offline
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rdakota340  Offline
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Joined: Mar 2008
Posts: 57
florida,usa
BOV can go anywhere some guys put them right by the inner cooler.


Turbos The Only Power Adder!
Re: Moparts - Monte Smith Official Power Adder Thread [Re: tboomer] #2500191
05/25/18 04:47 AM
05/25/18 04:47 AM
Joined: Jan 2003
Posts: 5,244
Hot Rod Ridge
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master
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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

Re: Moparts - Monte Smith Official Power Adder Thread [Re: tboomer] #2500565
05/26/18 06:39 AM
05/26/18 06:39 AM
Joined: Jan 2003
Posts: 5,244
Hot Rod Ridge
FastmOp Offline
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FastmOp  Offline
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Hot Rod Ridge
Ohh so close at a 1.161 sixty. Best ever is a 1.154. Working on vid.

Re: Moparts - Monte Smith Official Power Adder Thread [Re: tboomer] #2507927
06/13/18 02:21 PM
06/13/18 02:21 PM
Joined: Feb 2009
Posts: 287
Arkansas
JoWeTu_6 Offline
enthusiast
JoWeTu_6  Offline
enthusiast

Joined: Feb 2009
Posts: 287
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.

Re: Moparts - Monte Smith Official Power Adder Thread [Re: tboomer] #2515423
06/30/18 06:28 PM
06/30/18 06:28 PM
Joined: Jan 2003
Posts: 5,244
Hot Rod Ridge
FastmOp Offline
master
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Posts: 5,244
Hot Rod Ridge
I ran a new best of 151 and tied my best sixty foot ever at 1.15

I got a check for semi's last time out. It's a race car now.

Re: Moparts - Monte Smith Official Power Adder Thread [Re: FastmOp] #2515983
07/01/18 06:28 PM
07/01/18 06:28 PM
Joined: Oct 2009
Posts: 1,253
North, Alabama
D-50 Offline
pro stock
D-50  Offline
pro stock

Joined: Oct 2009
Posts: 1,253
North, Alabama
That's great. I would like to try a turbo setup one day. I think it would be fun figuring it out. Ok


1.33 60 ft,6.21 at 110.59 in the 1/8, pump gas small block,2950lbs,drag radials,mufflers and driven to track ...
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