making me a Ghetto Blaster

Have a question about how to make horsepower going the all motor route, here's where to ask it.
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fearingdark
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making me a Ghetto Blaster

Post by fearingdark » Mon Mar 17, 2008 11:18 pm

i have an 03 sxt mtx. i've also got a 1GN intake manifold so i'm going to make me a GB. i was wondering where i could find a write-up on building it. i looked on the other .org and couldn't find Vitor's version of the write up and couldn't find one on here either.

so...does anyone know/have a write up on this?

thanks....
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occasional demons
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Post by occasional demons » Tue Mar 18, 2008 12:47 am

http://forum.2gn.org/viewtopic.php?t=12 ... tto+intake

This is where I got the inspiration for mine. :lol:
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Post by fearingdark » Tue Mar 18, 2008 12:54 am

the big part of his thread was discussing the length of the runners. I was wondering about the physical aspects, like if leaving the runners inside the tube is better than leaving the inside completely smooth? or if the runners poke out in the inside or if they should run along the pipe?

i guess my hang up is that if i f**k it up my gf is going to get to do the "i told you so" dance....and i try to avoid that at all costs....
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Post by occasional demons » Tue Mar 18, 2008 10:21 am

I made my runners as long as possible. I still had to reclock the starter solenoid connnector for clearance. The biggest advantage is making it so a 60/65mm TB is up to the full potential. I didn't see but a subtle difference with the stock TB if any at all.

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Edit: I'll prolly mod it with a 20* bend so it fits better in the engine bay...

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Bill
dblsg wrote:ya'll a bunch of post whores
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1999 neon coupe 2.4 swap
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Post by fearingdark » Tue Mar 18, 2008 4:21 pm

i think i am going to start on this tomorrow. do i just use a silicone coupler to attach my TB to the intake, or do i need to work a TB mounting plate into the GB?
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Post by Jerome Adams » Tue Mar 18, 2008 7:30 pm

document the process and put it in the how to for the rest of us schlubs!
Jerome

'03 SXT...DODGE NEON CONES

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fearingdark
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Post by fearingdark » Tue Mar 18, 2008 7:37 pm

i'll try. i'll post up whatever i do, but i can't guarantee gold. i'm just not that good at documentation
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Post by Nono » Tue Mar 18, 2008 8:31 pm

If your are planning to rev @ 7800-8300 runners should be ~8" w/o counting the flange. Flange is 1/2" so air should travels 8.5" thru the runners to get into the head. If you are going to make a plastic GB you should insert runners ~1/2" due to epoxy/jb weld/marinetech or any kind of glue used for this can't handle backfire. That's the only reason to do like this. But no need on this on metal GB.

If going to rev @ 8500-8700 or so, then runners must be 7" w/o flange. Rev'ing lower then runners ~8.5" to 9" would be ok to handle ~7500rpms. Notice stock sohc int mani are around 11" long due to stock ecu 6750rpms, earlier mopar's 7200rpms, latest 7400rpms. Its depending your goal the long of the runners you should use.
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Post by fearingdark » Tue Mar 18, 2008 9:06 pm

thanks. i just hacked off the bottom of the 1gn manifold. we are officially on the way to a "faster" neon
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Post by silverneontuner » Tue Mar 18, 2008 10:01 pm

do you use the plastic or the metal intake manifold from the frist gen?.

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Post by fearingdark » Wed Mar 19, 2008 5:56 am

i'm doing the 1g.

i got to figure out where i'm going to attach the injectors and fuel rail...looking at it and don't exactly see where they should mount...
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Post by occasional demons » Wed Mar 19, 2008 12:27 pm

fearingdark wrote:i'm doing the 1g.

i got to figure out where i'm going to attach the injectors and fuel rail...looking at it and don't exactly see where they should mount...

The injectors/rail mount the same as the 2gn. See pic above.
fearingdark wrote:i think i am going to start on this tomorrow. do i just use a silicone coupler to attach my TB to the intake, or do i need to work a TB mounting plate into the GB?
You can do it either way. I used a silicone coupler just so I have more options. The only thing is the reducer couplers don't like vacuum so much: they tend to pull out from under the clamp. I would suggest a steel reducer and two straight couplers, but that takes up room...
Bill
dblsg wrote:ya'll a bunch of post whores
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2000 Neon MTX swap with '02 R/T PCM
1999 neon coupe 2.4 swap
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Post by fearingdark » Wed Mar 19, 2008 1:53 pm

the engine side of the Tb is about 2 1/2" right? i think thats what the piping on my AEM hot air intake is...so i just gotta find a 3 to 2 1/2....plumbing store here i come.

these parts are nickel and dime-ing me to death...but its still cheaper than buying one...
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Post by Jerome Adams » Thu Apr 03, 2008 9:48 pm

any updates?
Jerome

'03 SXT...DODGE NEON CONES

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Post by fearingdark » Sat Apr 05, 2008 2:53 pm

i started a progress log...but the thing is, when i went to hack off the runners from the 1gn, i cut off a sensor mount that was in the way...and lo and behold, i need it, so now i have to go back to pick a part and find another intake manifold...

so i'm at a standstill
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Post by BlackRoseRacing » Sat Apr 05, 2008 2:56 pm

got a 1gn intake in my garage....:)
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Post by fearingdark » Sat Apr 05, 2008 6:27 pm

how much do you want? i really don't know that i need a whole unbroken manifold...does anyone have a broken one? that'd be better for me...
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Post by occasional demons » Sat Apr 05, 2008 8:07 pm

I'll assume you wacked the MAP sensor bung. If you could get some plastic tubing that had the correct I.D. then you could prolly glue the tube into the plenum tube and flush mount it. But I don't know off hand what size it is. You could always take you Map sensor to the Home Depot and see if you can find some ABS tube it fits in. If the flange is salvagable then glue it to the tubing and then glue that to the plenum. Or get some rubber hose and tee off the brake booster line and stick the end of the map sensor into that. As long as it see's manifold vacuum it won't care where it gets it. the eighties cars had the map sensors mounted anywhere from the engine to the firewall.
Bill
dblsg wrote:ya'll a bunch of post whores
Seriously people, this is 2019 not 1920.
2000 Neon MTX swap with '02 R/T PCM
1999 neon coupe 2.4 swap
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Post by fearingdark » Sat Apr 05, 2008 8:11 pm

cool that sounds like a much easier option. (cheaper too) i think i'll some abs tubing and just glue it on there.

but then again, it is just an electrical sensor...does anyone know if it puts out a constant voltage or does it register a range of voltages? i'm thinking that i could just wire it up so that it receives the correct voltage all the time. assuming its a stable voltage....
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Post by Wenuden » Sat Apr 05, 2008 8:17 pm

Damn, you guys aren't kidding about the ghettoness of these things, are you? Plastic tubing and glue LOL.
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Post by fearingdark » Sat Apr 05, 2008 8:19 pm

man....did you doubt it? i have drain piping, plastic epoxy, 1gn intake parts, fittings, gaskets, fuel rail, and injectors sitting on my back porch.

i have to time when i go out to cut on it because my neighbors hate my dremel. can't wait till i'm done
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Post by occasional demons » Sat Apr 05, 2008 11:02 pm

fearingdark wrote:cool that sounds like a much easier option. (cheaper too) i think i'll some abs tubing and just glue it on there.

but then again, it is just an electrical sensor...does anyone know if it puts out a constant voltage or does it register a range of voltages? i'm thinking that i could just wire it up so that it receives the correct voltage all the time. assuming its a stable voltage....
The voltage output is dependent on the pressure, or vacuum (low pressure) in the plenum. It needs to change proportionately with the engine load/throttle position to get the proper amount of fuel. You will get a CEL for sure if it stayed at one voltage level. plastic weld is the best "glue" to use there are a couple diferent brands available. just be careful on the set times. I got some that took a couple hours to set. It works good for the final coat if you want a smoother look, but not good for initial assy. I got my runners even all the way across by using a big disk sander at work. It has a flat rest on it so you can lay the part on that and work the piece back and forth. I angled the openings to get the biggest area possible for runner inlets. I didn't insert the runners past the inside of the tube by much at all. it seems to have held up agaist the radiator smashing into it, when that 3/4 ton van backed out in front of me. I don't think ppl give the ABS/epoxy enough credit. The above pic where it is lying on the floor is after the crash.
Bill
dblsg wrote:ya'll a bunch of post whores
Seriously people, this is 2019 not 1920.
2000 Neon MTX swap with '02 R/T PCM
1999 neon coupe 2.4 swap
Help support 2GN!

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fearingdark
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Post by fearingdark » Sat Apr 05, 2008 11:41 pm

i left the far side (non tb) side a hair longer, about a 1/8" longer and they get shorter to the 1st (tbside). and all angled in to the runner.
the abs epoxy is good for 4000 psi and 250 degrees F. i hope thats enough.
so its back to workin on it tomorrow...like nose to the grindstone.

boo for work....yea for working on the car.
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Post by occasional demons » Sat Apr 05, 2008 11:49 pm

4000-5000 psi is about the average. The way I see it, the pipe or runners are gonna fail before the epoxy. I don't think an eighth inch will affect much. Not like your trying to run 325 mph in the quarter!
Bill
dblsg wrote:ya'll a bunch of post whores
Seriously people, this is 2019 not 1920.
2000 Neon MTX swap with '02 R/T PCM
1999 neon coupe 2.4 swap
Help support 2GN!

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fearingdark
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Post by fearingdark » Sun Apr 06, 2008 1:04 pm

but i am going to run 325 in the 1/4...its how i live my life....a 1/4 mile at a time.
once i get the intake manifold done i'm going over to fairmont park, stealing a bench and superglue-ing it to my trunk. thats gotta make me go faster... :rofl:
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Post by Jerome Adams » Sun Apr 06, 2008 2:37 pm

benches are weak sauce my friend...you need the actual picnic table when you are putting down power like that...and don't forget we are fwd, so the table goes on the front!
Jerome

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Post by fearingdark » Sun Apr 06, 2008 4:18 pm

yyyyyeeeeaaaaaaaaaaaaaahhhhhhhh buddy!
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Post by rannox » Sat Apr 19, 2008 4:34 am

fuck the bench and the picknick table, get a latter, and glue a 2x4 to the top.
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