Spectre low profile plenum on Fitech EFI - Vintage Mustang Forums

 
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post #1 of 14 (permalink) Old 03-13-2017, 03:39 PM Thread Starter
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Spectre low profile plenum on Fitech EFI

Okay just like the title says: what are your thoughts? 1967 Vert 289+.040 cid Edelbrock super victor, Fitech Go EFI 600 power adder, Est. 400 hp. flywheel. Hood clearance is at a premium. The CAI will be where the battery use to be. Fed from the grille and the fender well. I have already tried the drop base air cleaner, Smaller filter, etc. I have requested info from both Fitech and Spectre, I'll post those responses when received.
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post #2 of 14 (permalink) Old 03-13-2017, 03:52 PM Thread Starter
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Spectre's reply;

Hello,

Thank you for contacting customer service. Our single plenum 98499 is only rated for under 400 Horse Power. Anything pushing more than 400 horse power should run a dual inlet intake plenum.

Thank you,
Spectre Performance Customer Service & Tech Support
tech@spectreperformance.com
http://www.SpectrePerformance.com
Phone: (909) 673-9800
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post #3 of 14 (permalink) Old 03-14-2017, 12:02 PM Thread Starter
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Hello,
Part Number 98499 can flow approximately 670 CFM.
Thank you for your time, please let us know if you have any questions.
Spectre Performance Customer Service & Tech Support
tech@spectreperformance.com
http://www.SpectrePerformance.com
Phone: (909) 673-9800
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post #4 of 14 (permalink) Old 03-16-2017, 11:25 AM Thread Starter
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Fitech's response:

Hi
can't say for sure, but the FiTech has been put in some pretty tight spaces.
Sorry I can't be more helpful

---
Thanks
Kirk Spiger
Tech Support
FiTech Fuel Injection

12370 Doherty St. Suite A
Riverside, CA 92503
Phone 951-643-3848
FiTech Fuel Injection
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post #5 of 14 (permalink) Old 03-16-2017, 01:03 PM
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Are you concerned about how the base will fit over the fuel regulator bump?
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post #6 of 14 (permalink) Old 03-16-2017, 04:10 PM Thread Starter
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I am concerned about that as well as generally fit under the stock hood. I am also looking at the dual to move more CFM. The fitech is rated at 850 CFM and the single plenum is 675 CFM. I also have billet rocker covers that are larger than standard. ( Ford racing roller 1.6) The breather caps may also be a concern. The motor was built for high RPM. so the flow is the most concerning. I was hoping some one had some experience with the Spectre plenums.
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post #7 of 14 (permalink) Old 03-16-2017, 05:29 PM
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I'm running K&N 85-685, clears the fuel regulator. You might need a small dimple. You can choose from several filter heights depending on clearance.
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1966 GT350H
1965 Fastback GT350H clone, 408W, Comp XR288RF-HR, FiTech EFI, T56 magnum close ratio
1967 S Code Fastback GT
1967 Galaxie 500XL 7Litre
1963 Falcon Futura convertible
1966 Fairlane 500XL coupe (future project)
1973 Ford Bronco (in pieces)
1979 F150 SWB 4x4 Ranger Lariat (in pieces)
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post #8 of 14 (permalink) Old 03-16-2017, 05:33 PM
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Didn't read it well just thought you were looking for an air cleaner. My 408 is 500+ if that helps.


1966 GT350H
1965 Fastback GT350H clone, 408W, Comp XR288RF-HR, FiTech EFI, T56 magnum close ratio
1967 S Code Fastback GT
1967 Galaxie 500XL 7Litre
1963 Falcon Futura convertible
1966 Fairlane 500XL coupe (future project)
1973 Ford Bronco (in pieces)
1979 F150 SWB 4x4 Ranger Lariat (in pieces)
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post #9 of 14 (permalink) Old 03-18-2017, 05:00 PM
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On mine I went with an Edelbrock 43662 Pro-Flo Round Air Cleaner 14" Diameter base, and replaced the 3" element with a 2" element 14" x 2" 14x2 Washable Reusable High Flow Air Filter Element Chevy Ford Mopar V8. I even have a 1" air cleaner spacer between the FiTech and base of the air cleaner and I've got 3/4" of hood clearance.
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US NAVY VET - 65 Custom Fastback GT-A-code. FiTech EFI w/Tanks Inc. w/Aero 340 LPH pump, TCP Power R&P; Full front coil over conversion w/1" Shelby drop; TMI Sport R custom interior; T5 TKO, Speed Hut custom speedo; Autometer Phantom gauges; SSBC Force 10 -13" disc brakes w/10.5" rear disc brakes; 24" Griffin Radiator w/twin 11" 2800 CFM fans; Classic Auto Air AC; Truck-Lite 7" LED headlights; Mustang Project Shelby LED sequential taillights. 2001 Bullitt rims w/Nitto NT555 235x45x17 tires.

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post #10 of 14 (permalink) Old 03-18-2017, 05:38 PM
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What heads are you running?
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post #11 of 14 (permalink) Old 03-18-2017, 08:45 PM Thread Starter
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Custom built Erson. A friend of mine builds heads for a sprint cup driver/team. They are 60cc 190 runners 2.02/160 valves ported polished Super Victor port matched.
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post #12 of 14 (permalink) Old 03-27-2017, 08:11 PM
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Have you considered going back to dual plane? My 302 based stroker dyno'd 597 with air gap RPM. It turned higher rpms, but didn't make any more power under 7000 rpm with Victor. Victor allowed 7500rpm, but fuel distribution was uglier down lower for street use than the rpm. That's mildly ported, but not welded on top of Kaase p38 heads.

I just question the Super Victor ( and yes, I have one on a 427") on an application that would then lead you to restrict flow above the venturi. I'm running Fitech 800 on the 597hp 352" rpm air gap. BTW, that on 93 octane fuel, not some Hi-test fuel.

69 351 TKO Sport Roof, Ride Tech coilover
70 557 PG Mach I tube chassis 2650lb
70 427 TKO Sport Roof, SoT full chassis to be
70 351 FMX Mach I
67 347 TKO Coupe SoT/CAT5
67 289 C4 Coupe stockish cruiser
69 460 TKO Vert, Mustang Plus Grab a Track
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post #13 of 14 (permalink) Old 03-28-2017, 12:27 PM
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Luke can you give me more details on that motor (the 302 stroker)? Sounds like a beast and I am slowly starting to kick around what I am going to build for my 66 eventually (I inherited a pretty decent 347 with Edelbrock heads and large flat tappet of unknown spec). Leaning 351W based with a 6.5k or so redline. 450-475 rwhp would be the target without power adders.


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post #14 of 14 (permalink) Old 03-28-2017, 09:48 PM
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I'm mostly a 351w "guy". The intended engine for said car was a Dart Aluminum High port TF headed hyd roller with 12:1. It is the full house including dry sump, but my custom Accufab direct fit headers, well are going to require work. So in hopes to still drive her by Power Tour, the check book opened:

Borgeson came off and power TCP rack went on, 1.75 JBA went on( since I've used a like set before and knew they'd fit and look nice). This is a full SorT built car and want both handling and kind of the pro tour attitude. It started more track duty and now is more street with a lean towards max handling. So I'm keeping the multi disc clutch, TKO and crazy power, but adding AC, power steering and power brakes . TO OFFSET all this old age cushy stuff and loosing the intended Al block, I went with 302 based engine to save weight and not beat up my fresh engine bay that is also wet sump'd and more traditional "early" car config.

OK, its a 352" (a little odd ball on stroke bore from normal) based on early Mexico block. Has a .700+ lift solid roller with traditional valve train and girdles. Its running forged bottom end and half filled block with steel caps and ARP fastners at 11:1 with 34 total adv at 3000rpm. Its topped with Kaase heads (cam and heads are the power makers) and a midly ported rpm air gap. It was dyno'd with HP950 on 94oct , but will be ran with Fitech (again a tip to the new street intentions). I need to update its build thread badly as I've got a lot more done this spring. I'll get you more spec's from the shop if you want. It's a streetable setup......not a street setup. It was dyno'd with both crank trigger and dizzy. No appreciable difference so stabb'd a dizzy in for street use.

Will I have to run something to help vacuum? Likely or back to manual brakes. I've tracked both manual and power brakes.....both have their perks. But can say the same with power steering if you've ever had a car die in a spin.

69 351 TKO Sport Roof, Ride Tech coilover
70 557 PG Mach I tube chassis 2650lb
70 427 TKO Sport Roof, SoT full chassis to be
70 351 FMX Mach I
67 347 TKO Coupe SoT/CAT5
67 289 C4 Coupe stockish cruiser
69 460 TKO Vert, Mustang Plus Grab a Track
94 351 TKO AIX, Maximum Motorsports
01 5.4 4L80E Twins and CrMo caged

http://www.hubgarage.com/mygarage/LukeSportsman
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