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Blown69RS

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Discussion starter · #1 ·
It's been a long couple of years, but I "think" the end of the tunnel is starting to be visible. I got the RS front end assembly complete (w/DSE Electric Motor Conversion kit), most of the body panels installed and this past weekend all of the wheelwell/rocker moldings installed.

Gotta finish up the headliner (waiting for a sunny day), then glass install, a few interior things, and it should be downhill from there. (fingers crossed).

Here's a few pix of the '69 as it sits now:

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Discussion starter · #3 ·
thanks for the compliment...

the blue is Dupont "Patriot Blue Pearl".. OE Chrysler color, don't tell anyone ;^) I had narrowed it down to 3 different blues, and the other 2 were Ford and Toyota colors. I could "tolerate" Chrysler more. I'd never be able to enjoy a Ford/Toyota color, no matter how much I liked the looks.

the stripes are a Dupont catalog Silver Metallic, fairly high metallic content.
 
Discussion starter · #5 ·
thanks Rack Man.
here's a few pix of the engine and specs:
(still have some cleaning up of the wiring, etc,, to do in the engine compartment)

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350 4 Bolt Main Block (Magnafluxed, Decked, .040 over)
Eagle 4130 3.750 Stroke Steel Crank
Eagle 5.7 H-Beam Rods
JE SRP Dish Pistons 8.5 : 1
Childs & Alberts Zero Gap Rings
Competiton Cams Nitrous Cam (12-564-4)
~~ Duration: 274 Intake / 295 Exhaust
~~ Lift: .487 Intake / .501 Exhaust
Competition Cams Hydraulic Race Lifters (84000-16)
Crane Blazer Roller Rockers 1.5 Ratio
Dart 76cc Cylinder Heads
~~ 2.02 Intake / 1.6 Exhaust
Fluidampr Harmonic Balancer
Cloyes "Noisey" Performance Gear Drive
MSD Ready to Run Distributor
Edelbrock Aluminum Water Pump
Dual Edelbrock 600cfm Carbs (Manual Choke)
B&M 420 Megablower
~~ 8mm Pitch Pulleys / 3 Inch Gilmer Drive Belt
~~ 64 Tooth / 56 Tooth Pulleys (Approx. 14% Underdriven)
Shotgun Bill Scoop

Some Dyno Numbers:
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3600 RPM 520.7HP 382.7Torque 7.6Boost
3800 RPM 535.9HP 411.1Torque 8.2Boost
4000 RPM 543.8HP 436.6Torque 8.8Boost
4200 RPM 565.1HP 470.1Torque 9.0Boost
4400 RPM 578.1HP 500.1Torque 9.2Boost
4600 RPM 571.8HP 511.4Torque 9.7Boost
4800 RPM 570.6HP 534.4Torque 10.0Boost
5000 RPM 565.7HP 546.5Torque 10.5Boost
5200 RPM 561.2HP 561.5Torque 10.5Boost
5400 RPM 547.5HP 565.3Torque 11.3Boost
5600 RPM 544.8HP 580.3Torque 12.1Boost
5800 RPM 530.6HP 581.2Torque 12.5Boost
6000 RPM 519.4HP 595.2Torque 13.5Boost
 
Nice!...did all of your brackets, alt, power ster., change when you went with the blower? did you have to order all new? and does it take special pumps, power str.,alt., exc. Thanks Chris
 
Discussion starter · #10 ·
69camarofast said:
Nice!...did all of your brackets, alt, power ster., change when you went with the blower? did you have to order all new? and does it take special pumps, power str.,alt., exc. Thanks Chris

Chris....
I basically started from ground zero on all the brackets. With my setup, all the brackets needed to be outboard of the valve covers for clearance issues. I went with Zoops brand on them since they also give you some adjustment forward and backward. Everything "almost" lined up perfectly out of the box. I only had to spacer the alternator mount another 1/4" or so forward for belt alignment.

Nothing at all special about any of my pumps, etc... using original PS pump, a standard 1 wire alternator from Jegs, and a Sanden A/C compressor that came with the Vintage Air setup.

I don't think any of my "stock" brackets would have worked since they were all inboard of the valve covers, and would have interfered with the blower idler pulley and belt. The original PS bracket "may" have worked, but was old and rotten looking.

For whatever reason, I went with the AC on the passenger side. That provided 'bout the only challenge I had. There weren't near as many manufacturers that made passenger side brackets for AC,,,, all of them made them for drivers side mount though.

A little bit of trial and error for belt length purchases, but all in all, not much to it.
 
How did you clean up your vintage air set up. The plastic sticking out of my firewall looks incredible tacky and im tryign to redo it to drop my show quailty engine in and i want to get the show quailty engine compartment look. Your CAR is SWEETT. I love it. Maybe made its way to my background
 
Blown69,
I noticed that on your dyno #'s your torque is still climbing at over 6000 RPM and yor HP peaked at 4400, did you switch the HP/torque #'s entering them or am I missing something (probably the case). Does boost affect torque directly like that as opposed to overall power?
Dave
 
Discussion starter · #14 ·
Radcannon said:
How did you clean up your vintage air set up. The plastic sticking out of my firewall looks incredible tacky and im tryign to redo it to drop my show quailty engine in and i want to get the show quailty engine compartment look. Your CAR is SWEETT. I love it. Maybe made its way to my background
I agree that some of the Vintage Air setup is very tacky looking. Fortunately for me, I have enough "clutter" and other attention-getting things under the hood that the plastic firewall piece isn't very noticeable. Probably the best way to get it looking better would be to smooth in the wall, ditch the plastic cover, and go with some of their bulkhead connectors. A little more than I was willing to do at the time though....


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edd Gordon said:
Fantastic Engine set up Really Nice hope to see it in a Magazine someday
thanks much, appreciate the vote of confidence. I'm hoping to clean it up quite a bit more in the next month or so. Still have a lot of wires laying around, and some vacuum hose stuff that's not properly placed yet.


~~~~~~~~~~~~~~~

****** said:
Blown69,
I noticed that on your dyno #'s your torque is still climbing at over 6000 RPM and yor HP peaked at 4400, did you switch the HP/torque #'s entering them or am I missing something (probably the case). Does boost affect torque directly like that as opposed to overall power?
Dave
Dave, those numbers are correctly typed. I'm by far not an expert at the characteristics of blower engines. It is my understanding though, that even though the boost is increasing, it does not necessarily equate to more power. A lot of other variables come into play, such as cylinder head flow, carburation, etc... The member to ask such a question, is without doubt, Royce (camaroman7d). I have no doubt he could explain it much better than I could.
 
Blown69RS

those dyno numbers are unusual.. are they from Desk Top Dyno or an engine dyno or engine builders supplied dyno sheet? That Cam would not be building torque beyond 5000 rpm (if that) in a 385ci. Looks like reversed numbers as 4400rpm peak torque would be about right for that cam.

Your underdrive is -12.5%, rather than -14%. Wow, is the motor really making 13.5# of boost at that underdrive in that blower in a 385? That is a 420ci blower and would have to be extremely tight (freshly rebuilt with new teflon strips?) to make that boost level in a 385 at that underdrive, I think..but other factors could cause higher readings such as the heads, so no conclusive comment can be made. That boost level, with that compression ratio with iron heads (aluminum allows a little more compression) and those small eddy carbs is very risky. I noticed on the carb that you are not even using the upper hole on the accelerator pump arm. Twin 600 Eddy's are < Twin 600 Holleys. I would fear the motor is not getting enough fuel. I have twin 750's and they are heavily modified.. the jets have been drilled out as a favor from edelbrock to a size much bigger than they actual sell ,and bigger accelerater pump and nozzles, bigger needles and seats in the float bowls, etc..this carb set up is barely adequate for my 355. Good cam pick for a street motor.

Very, very pretty car. You must be excited about driving it.. good luck
 
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