Another 4.0 stroker is born! - Page 38 - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
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post #556 of 588 (permalink) Old 12-26-2012, 06:38 PM
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Definitely comes down to those factors, having LOTS of money to throw at it, or alternatively having access to parts at low to no cost and time and skills to wrench it together (which I assume we're all at least going to do the work ourselves anyways).

Myself, I can get ANYTHING LH dirt cheap, if not at no cost, I have access to 56 LH vehicles and everything goes for pennies. A wrecked interceptor just arrived, was side-swiped, 180K on the power-train, I'm getting the engine for $100, not a thing wrong with it. Not bad for a 2004 3.5 HO, at least I think.

Swap some tooth wheels and some wiring and you've opened a lot of doors it seems. As for as simple bolt-on applications, maybe just a 02-04 Special PCM would suffice for most.
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post #557 of 588 (permalink) Old 12-27-2012, 07:40 PM Thread Starter
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Definitely comes down to those factors, having LOTS of money to throw at it, or alternatively having access to parts at low to no cost and time and skills to wrench it together (which I assume we're all at least going to do the work ourselves anyways).

Myself, I can get ANYTHING LH dirt cheap, if not at no cost, I have access to 56 LH vehicles and everything goes for pennies. A wrecked interceptor just arrived, was side-swiped, 180K on the power-train, I'm getting the engine for $100, not a thing wrong with it. Not bad for a 2004 3.5 HO, at least I think.

Swap some tooth wheels and some wiring and you've opened a lot of doors it seems. As for as simple bolt-on applications, maybe just a 02-04 Special PCM would suffice for most.
How cheap can you get me a spare upper plenum-shipped to 32401?
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post #558 of 588 (permalink) Old 01-19-2013, 12:39 AM Thread Starter
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The newest upgrade, besides a smoothed out and painted upper plenum, is a bored throttle body. Machine shop claims 74 mm but I don't know, haven't miked it yet to check their accuracy. I know the gasket groove is gone. Can SRT8 injectors be far behind? Stay tuned. While the top end is apart, the adjustable rockers will get installed, and then the new plenum, throttle body, upgraded NOS fogger nozzle, and maybe the water/methanol nozzle while I'm at it. The new glasspacks and 12 inch tips are just totally badass and scare most mustangs right off the street, I'm hunting new camaros now. Hope I dont end up embarrassed! That just means I'll have to go to the 125 or 150 hp NoS nozzles and hope the pistons dont melt!

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post #559 of 588 (permalink) Old 01-19-2013, 12:41 AM Thread Starter
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Might be nice to post the pic I meant to in the last entry. Rum slows down the thought process.
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post #560 of 588 (permalink) Old 01-19-2013, 01:12 AM
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How cheap can you get me a spare upper plenum-shipped to 32401?
Sorry just seen your message now buddy! Are you after a 98-01 3.X intake plenum or 02-04?

I threw out my spare 02-04 3.5 plenum a few weeks ago. Kept the TB. Kicked myself but the ol' lady was complaining about it laying around the apartment... LOL



If you don't mind me asking, what's the price range on getting a TB bored out? Quality solid on the butterfly? Been wanting to get mine done. I'm going next week to get that 3.5 I intend to stroker myself!

Also, I'm asking, no no, requesting, wait demanding.... Begging... Post some videos of that beast running! Pay a child to record a drive-by, something! The videos I've seen with it idling is a pure tease.

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post #561 of 588 (permalink) Old 01-19-2013, 01:34 AM Thread Starter
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Sorry just seen your message now buddy! Are you after a 98-01 3.X intake plenum or 02-04?

I threw out my spare 02-04 3.5 plenum a few weeks ago. Kept the TB. Kicked myself but the ol' lady was complaining about it laying around the apartment... LOL



If you don't mind me asking, what's the price range on getting a TB bored out? Quality solid on the butterfly? Been wanting to get mine done. I'm going next week to get that 3.5 I intend to stroker myself!

Also, I'm asking, no no, requesting, wait demanding.... Begging... Post some videos of that beast running! Pay a child to record a drive-by, something! The videos I've seen with it idling is a pure tease.
I was able to snag an upper plenum and TB from the local pick n pull for a hundred bucks. not cheap but then it seems everything i touch nowadays goes for at least a hundred bucks at least! even cheap women and booze! just kidding. The TB work was done by George at Maxbore out of Sanford, Florida, you can google them and I highly recommend them, the work is superior, the integrity is superb and he is an honest craftsman. Single butterfly TB over bore work is 99 bucks which includes return shipping. He bores to the largest possible size then custom cuts and blends the bronze buttterfly. They are not off the shelf pieces. The man is good. I will endeavor to get a good video clip up of the car all the way from idle to redline and back again, several times. Anything over three minutes and there's liable to be splooge explosions from the true mopar lovers out there. I know I did. hehe.

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post #562 of 588 (permalink) Old 01-19-2013, 01:40 AM
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Might be nice to post the pic I meant to in the last entry. Rum slows down the thought process.
That looks good. You should try the ole water trick before installing it though just to make sure there are no leaks. If you have leaks, the car will not run good at all. A few members have had hard times with leaky bored throttle body's.
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post #563 of 588 (permalink) Old 01-19-2013, 01:52 AM Thread Starter
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Probably not going to get it on this weekend, we're dropping the newly improved magnum in the boy's truck tomorrow, and Sunday we've gotta source out a massive vacuum leak in the intercooler tubing on the SRT4. Plus we're having a big chicken grill tomorrow. Too many things, not enough time.
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post #564 of 588 (permalink) Old 01-19-2013, 10:10 PM
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That looks good. You should try the ole water trick before installing it though just to make sure there are no leaks. If you have leaks, the car will not run good at all. A few members have had hard times with leaky bored throttle body's.
I've never messed with the TB, but my understanding is that there is a minimum near-closed position adjustment screw that more or less establishes a baseline min. idle speed from which point the IAC motor has its range of adjustment. Would that screw be backed off so the butterfly can totally close for the water test, after which it would need to be set to some slightly open min. idle butterfly position to make sure the IAC can have a workable range to operate thru?
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post #565 of 588 (permalink) Old 01-19-2013, 10:24 PM Thread Starter
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I've never messed with the TB, but my understanding is that there is a minimum near-closed position adjustment screw that more or less establishes a baseline min. idle speed from which point the IAC motor has its range of adjustment. Would that screw be backed off so the butterfly can totally close for the water test, after which it would need to be set to some slightly open min. idle butterfly position to make sure the IAC can have a workable range to operate thru?
Thats a very good question for which I do not have any answer. Maybe one of the other gentlemen at the forum can extrapolate on this topic.
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post #566 of 588 (permalink) Old 01-20-2013, 04:17 AM
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I was able to snag an upper plenum and TB from the local pick n pull for a hundred bucks. not cheap but then it seems everything i touch nowadays goes for at least a hundred bucks at least! even cheap women and booze! just kidding. The TB work was done by George at Maxbore out of Sanford, Florida, you can google them and I highly recommend them, the work is superior, the integrity is superb and he is an honest craftsman. Single butterfly TB over bore work is 99 bucks which includes return shipping. He bores to the largest possible size then custom cuts and blends the bronze buttterfly. They are not off the shelf pieces. The man is good. I will endeavor to get a good video clip up of the car all the way from idle to redline and back again, several times. Anything over three minutes and there's liable to be splooge explosions from the true mopar lovers out there. I know I did. hehe.
Yikes bud!. I can get one for free, I could have sent you one no charge, just cover shipping fee's. Know what you mean though as far as the everything being a 100 dollar bill.

That's it? Cheap. I thought that guy quit doing that work, I remember I was going to look into it once before (site said something about no longer doing custom work or something). I'm definitely going to contemplate doing it now. Think it'll make much of a noticeable difference on a regular 3.5?

I will hold you to that video(s) you know? I'm already holding you liable for my laundry right now. I've splooged multiple times reading and SEEING all the work you've done to that white Mopar treasure. Let's just say your driving my current wishlist around LOL.
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post #567 of 588 (permalink) Old 01-20-2013, 12:53 PM
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I've never messed with the TB, but my understanding is that there is a minimum near-closed position adjustment screw that more or less establishes a baseline min. idle speed from which point the IAC motor has its range of adjustment. Would that screw be backed off so the butterfly can totally close for the water test, after which it would need to be set to some slightly open min. idle butterfly position to make sure the IAC can have a workable range to operate thru?
I remember when I checked my factory throttle body (I was actually cleaning it) and I noticed that the butterfly would retain water for a long period of time. It's not a perfect seal, but it was almost perfect. I've heard of Maxbore doing a good job so I don't think you should have to worry.
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post #568 of 588 (permalink) Old 01-20-2013, 02:21 PM
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AFAIK, the reason for the screw setting is to get the minimum air flow through the plates to match what the TPS value is. It's been a LOOOONG time since I've messed with one.
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post #569 of 588 (permalink) Old 01-20-2013, 07:49 PM
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From what I know of it, the set screw is set to allow it to close as much as possible without binding. Idle speed on these cars is strictly controlled by the idle air solenoid.
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post #570 of 588 (permalink) Old 01-21-2013, 09:48 AM Thread Starter
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I finally completed a list (and it may not be complete yet) of the mods I have done to this car. It's everything I can think of so far. Some of the last few items are still in progress and not actually installed (Daytona decklid and spoiler, adjustable rockers, methanol injection to name a couple)

2001 Dodge Intrepid R/T custom and performance modifications:
Tinted windows
Chrysler Corp. complimentary 100,000 mile license plate frame
R/T badging on doors and deck lid, new style Dodge emblem with red slashes
Daytona paint blackout on decklid, red R/T emblem, Dodge Motorsport decal
AC, power windows and door locks
Dodge Motorsports front plate and floor mats
2.7 to 3.5L to 4.0 H.O. Conversion, Hemi orange engine enamel
4.0 liter crank with mains undercut, 4.0 pistons and rods.
Rebuilt hi volume oil pump
New water pump, timing components, hydraulic tensioner
First generation exhaust manifolds, shot peened and shot honed
Cherry bomb glass pack Mufflers 2.5 inch
Dual Exhaust 2.25” with X pipe
A pillar w/triple gauge pod
Autometer Oil Pressure, Trans Temp and Voltmeter
Rear Courtesy lights
Turbo Action 3000 rpm stall speed torque converter, billet cover, steel bushings, furnace brazed
Stereo swap to OEM unit with external CD player controls, AM/FM/Cassette/CD
4 disc CD changer
Charger RT rear spoiler, organosol black
ES/SXT/RT style front end swap
New OEM crystal clear foglights and bulbs
Black Diamond headlights
Transgo hi capacity transmission cooler
Trunk mount battery box with vent
Cragar Soft 8 chrome 16 X 7 wheels
Ported throttle body to 74mm
Smoothed and custom finished upper plenum with Dodge emblems
Stage 3 ported lower plenum
Crower custom ground long duration 268 degree cams
Nitro valve springs and valve seals
Split Second stand alone fuel management controller
6.1 liter Hemi SRT8 fuel injectors
Custom made adjustable rocker arms
Stage 3 ported heads with 3 angle valve job and back cut valves
Blue anodized lug nuts
Cooper Zeon P245/50R16 unidirectional radials
Mopar Performance/ Spectre blue long ram cold air intake
Chrome slash 12 inch exhaust tips
Hayes hi capacity oil cooler
300M special sway bars on front and rear, poly bushings and insulators
Performance Handling Package coil springs with poly insulators
Performance Handling Package struts
Poly sway bar bushings and end links
Pro Stock hood scoop, functional with air box
Custom hood paint with organosol blacked out center section, white 9” ram's head decal
“MAGNUM” red scoop emblems
Dual remote oil filter setup with hi-capacity Fram filters
Relocated spun performance catalytic converters (moved down into floor tunnel to remove heat from engine bay)
300M power/heated agate grey leather seats front and rear.
NOS systems “Sniper” 75 hp. Shot wet nitrous oxide system, trunk mount bottle
Conversion from column shift to B&M hammer shifter ratchet floor shifter
Steam cleaned carpets
Torque management signal to PCM on switched circuit
Infinity sail panel speaker mounts with Pioneer tweeters and door speakers upgrade
Water/methanol injection at front of cold air intake to cool air intake charge

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