My 93 LX 427 Stroker ready for the Dyno - Ford Mustang Forums : Corral.net Mustang Forum
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post #1 of 67 Old 02-19-2017, 07:19 PM Thread Starter
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My 93 LX 427 Stroker ready for the Dyno

Hi All,
After many years into this build. I will be at the tuner in three weeks to get tuned. What should I be looking at RWHP wise out of this combo?

Early 351w Block
4.040 bore 4.170 stroke (427.64CI)
Hyd roller 242/254@.050 .598 Lift
1.7 RR
Mod 400M Crank/Eagle H beam rods/probe pistons
OOTB Victor JR heads
10.2-1 CR
Super Vic EFI Elbow (ported)
36lb injectors
90mm TB
90mm lighting MA
4 inch power pipe
1 3/4 long tube headers 3 inch cat back
TKO600 Trans

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post #2 of 67 Old 02-19-2017, 07:50 PM
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475 hp, 525 lb/ft trq...........1 5/8 headers going to hold you back.


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Best 1/4 mile time 8.623 @ 159.82 mph with a 1.34 60' (5.55 1/8th at 128)
Best 1/8 mile time 5.384 @ 130.75 mph with a 1.29 60'
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08' Bullitt #4097 N/A 325 RWHP <<<<<FOR SALE!
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post #3 of 67 Old 02-19-2017, 08:08 PM Thread Starter
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My mistake. Headers are 1 3/4. I would be very happy with 475rwhp!
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post #4 of 67 Old 02-20-2017, 12:18 AM
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450-465rwhp SAE.

Vic Jrs are good but are better with work. I don't know what the stock valve springs are like though.

You may run out of injector...I would run a 42lb or move straight to a 60lb.

I'm assuming you're running a big pump?
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post #5 of 67 Old 02-20-2017, 12:42 AM Thread Starter
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450-465rwhp SAE.

Vic Jrs are good but are better with work. I don't know what the stock valve springs are like though.

You may run out of injector...I would run a 42lb or move straight to a 60lb.

I'm assuming you're running a big pump?
Not running the stock valve springs. I have a 255lph in the tank and a Anderson big pump in line. We will see about the injectors. Fingers crossed they will be enough.
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post #6 of 67 Old 02-20-2017, 12:56 AM
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It may not lean out but you will likely be above an 80% duty cycle.
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post #7 of 67 Old 02-20-2017, 01:21 AM Thread Starter
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It may not lean out but you will likely be above an 80% duty cycle.
How will that affect the tune? I'm not up to date on injector duty cycle.
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post #8 of 67 Old 02-20-2017, 08:51 AM
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596 crank at 6475 rpm.
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post #9 of 67 Old 02-20-2017, 11:45 PM Thread Starter
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596 crank at 6475 rpm.
cant wait, I will post the Dyno sheet.
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post #10 of 67 Old 02-21-2017, 06:40 AM
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i second the 42s.my little 393 needed 42s to help get to 460rwhp.it should make at 500 to the wheels.

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post #11 of 67 Old 02-21-2017, 08:07 AM
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Pics of build?!
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post #12 of 67 Old 02-24-2017, 10:16 AM Thread Starter
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Pics of build?!
I will post pics in a week or so. Installing super victor and elbow this weekend.
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post #13 of 67 Old 02-24-2017, 10:25 AM Thread Starter
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Really excited about getting this Fox done. A little history on the build. Its a 93 LX 5.0 with 63000 miles on it. Back in 99 00 I put a TFS 351 long runner intake on it. 75mm TBD opening. They didn't are make the TFS box or LR 90 then. Opened it up for an 80 TB and 80 ma. The intake dies at 4200 on this Big CI motor. Never had it tuned. Put it in the garage for 16 years. Kids are now older an I'm install a 90 tb 90 ma ported super victor and elbow. Hope this thing puts down 450 rwhp or more.
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post #14 of 67 Old 02-25-2017, 12:48 AM
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I had 36# injectors on my 408 and they were at 100% duty cycle by 5500 rpms. You should be in the 450 rwhp range with that set up.

3 Things that will chap your a$$
1. Woman
2. Dyno
3. Dragstrip
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post #15 of 67 Old 02-25-2017, 03:57 PM
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To the op, and others listening. Have you run a 4.17" stroke 427 Windsor previously? I have one built but not run yet. I've read some story's that they may not make the power as the big bore of the same cid. I've read the larger crank diameter, dwell at tdc/bdc, and crank angle hocus pocus seems to hold them back. Not sure if there is any truth to that. I am looking forward to your dyno tests because I have the same stroke, same block, and a very similar cam as you do. However my heads and intake are quite different then yours. Mine is all forged and internally balanced. The guy I got my cam from claims it will make more than 600 flywheel before 6500rpm. I hope he right. Oh and I am a touch closer to 11:1.

How are you going to tune yours and is that included in your dyno session?
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post #16 of 67 Old 02-25-2017, 04:59 PM Thread Starter
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To the op, and others listening. Have you run a 4.17" stroke 427 Windsor previously? I have one built but not run yet. I've read some story's that they may not make the power as the big bore of the same cid. I've read the larger crank diameter, dwell at tdc/bdc, and crank angle hocus pocus seems to hold them back. Not sure if there is any truth to that. I am looking forward to your dyno tests because I have the same stroke, same block, and a very similar cam as you do. However my heads and intake are quite different then yours. Mine is all forged and internally balanced. The guy I got my cam from claims it will make more than 600 flywheel before 6500rpm. I hope he right. Oh and I am a touch closer to 11:1.

How are you going to tune yours and is that included in your dyno session?
The 400M crank take a lot of work to get it to fit. If I rember right. Counter weights are cut down oil slinger had to be modified. At the time a mod 400 crank was much cheaper Than buying a stroker crank. 98-99. I'm running stock ford ecu. Real Wheel dyno and chip burnt for it.
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post #17 of 67 Old 02-25-2017, 05:05 PM
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The 400M crank take a lot of work to get it to fit. If I rember right. Counter weights are cut down oil slinger had to be modified. At the time a mod 400 crank was much cheaper Than buying a stroker crank. 98-99. I'm running stock ford ecu. Real Wheel dyno and chip burnt for it.
What size main is that? 3"?
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post #18 of 67 Old 02-25-2017, 05:18 PM Thread Starter
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Quote:
Originally Posted by autopart101 View Post
The 400M crank take a lot of work to get it to fit. If I rember right. Counter weights are cut down oil slinger had to be modified. At the time a mod 400 crank was much cheaper Than buying a stroker crank. 98-99. I'm running stock ford ecu. Real Wheel dyno and chip burnt for it.
What size main is that? 3"?
Yes 3 inch main. Turn rod journals 2.100 chevy size. Trun nose of crank down to fit a 351w block.
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post #19 of 67 Old 02-25-2017, 05:29 PM Thread Starter
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Also have to notch the block in a few places.
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post #20 of 67 Old 02-25-2017, 05:55 PM
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Smile

My 427 Windsor very similar to yours. Mine is a '74 stock block bored 4.040 stroked to 4.170. Compression is about 11 to 1 with .040 resurfaced off the Avenger 205 heads that were upgraded to 2.08 valves and custom porting. I am running a solid roller with 252-257 dur and .683-.685 lift and 112 lobe separation.Think I have 1.7 ratio rockers too. I swapped to a carb set up with the super victor intake and Pro Systems carb (840cfm). Motor made 612/584 at only 6K! Was told the dyno operator stop at 6K thinking I only had a hydraulic roller in her. Dyno show she was still climbing though:
















Hope this helps
I.C.E, vertvert and coupe1993 like this.
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post #21 of 67 Old 02-25-2017, 06:06 PM Thread Starter
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My 427 Windsor very similar to yours. Mine is a '74 stock block bored 4.040 stroked to 4.170. Compression is about 11 to 1 with .040 resurfaced off the Avenger 205 heads that were upgraded to 2.08 valves and custom porting. I am running a solid roller with 252-257 dur and .683-.685 lift and 112 lobe separation.Think I have 1.7 ratio rockers too. I swapped to a carb set up with the super victor intake and Pro Systems carb (840cfm). Motor made 612/584 at only 6K! Was told the dyno operator stop at 6K thinking I only had a hydraulic roller in her. Dyno show she was still climbing though:
















Hope this helps
That thing is bad a$$!! That answers the question about the piston speed slowing the small bore 427 down!!
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post #22 of 67 Old 02-25-2017, 07:01 PM
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Auto part, that's good news for both of us!!

Racerxmd, who spec'd the cam? Is it street driven? How many miles? Which Pistons? Any chance you have had the opportunity to look at the skirts after a few hard rips? Are you 93 octane? How much total timing?
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post #23 of 67 Old 02-25-2017, 08:19 PM
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Ford Performance Solutions in Anaheim, California (Troy Bowen - owner) built the motor for me. Those #s before the electric water pump,stepped 1 3/4" to 1 7/8" headers and vacumn pump were added. This is the 3rd motor he did for me. Must be good cause I live on the esat coast and he's at the west coast. LOL
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post #24 of 67 Old 02-26-2017, 01:12 AM
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Ford Performance Solutions in Anaheim, California (Troy Bowen - owner) built the motor for me. Those #s before the electric water pump,stepped 1 3/4" to 1 7/8" headers and vacumn pump were added. This is the 3rd motor he did for me. Must be good cause I live on the esat coast and he's at the west coast. LOL
Amen!

Where on the east coast?
Are u pump gas?
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post #25 of 67 Old 02-26-2017, 07:29 AM
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Yes. Run on 93 octane.
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post #26 of 67 Old 03-02-2017, 02:13 PM Thread Starter
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Almost done.
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post #27 of 67 Old 03-02-2017, 08:38 PM
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Almost done.
Looking good! Now get on those rollers and get some numbers!!!
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post #28 of 67 Old 03-04-2017, 11:21 PM Thread Starter
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This super Victor thing is a Bit$$. Lots of mods. Fuel lines. Water lines.
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post #29 of 67 Old 03-05-2017, 01:57 PM Thread Starter
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All done. Dyno tune ready. Less than two weeks.
https://youtu.be/g9ktZlrnuZo
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post #30 of 67 Old 03-05-2017, 02:38 PM Thread Starter
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93 LX.
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post #31 of 67 Old 03-05-2017, 05:04 PM
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Good luck, here's my set up:


3 Things that will chap your a$$
1. Woman
2. Dyno
3. Dragstrip
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post #32 of 67 Old 03-05-2017, 06:14 PM
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I'm waiting for the numbers, just received my 427 from ford strokers on Friday.
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post #33 of 67 Old 03-05-2017, 08:33 PM
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looks and sounds awesome !! Mine is on hold until i get 302 done for the 92. Will be looking for your dyno results
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post #34 of 67 Old 03-11-2017, 11:15 AM Thread Starter
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My super Vic is well ported and it's made a big difference!! Car not tuned yet and running with a 80 mass air. At WOT car turns the tires and skates in 1st 2nd 3rd. 1st is almost useless. From a 2ND gear take off at 3500 slams you in seat and keeps pulling hard. Makes power up high. Also new intake liked more timing than the TFS LR.
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post #35 of 67 Old 03-11-2017, 12:03 PM
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I noticed you're running a spacer under your elbow. Was that to clear the rails, or the throttle linkage?
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