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  • 1979 - 1995 (Fox, SN95.0, & 2.3L) -General/Talk-

SN95 Desktop 363 Engine Combination - Looking for input

  • Thread starter Thread starter WhiteCobra95
  • Start date Start date Sep 8, 2025

WhiteCobra95

10 Year Member
May 2, 2006
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176
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Sep 8, 2025
#1
  • Sep 8, 2025
  • #1
Hi Guys, I'm looking for some input on an engine build for my 1995 Cobra. I've been dreaming up different combinations for years, stout HCI 302 - 302 stroker - built 351 - stroker 351..., but after working on a lot of friend's cars, I'm starting to get more serious about pulling the trigger on something. I've picked up lot of great info from this forum over the years, and it would be nice if anyone can offer up some real world experience on the combo or the parts I've assembled as a "desktop" build. I've already picked up a number of these parts which can support multiple builds, but the core components (e.g. heads, short block, and intake) are still up in the air.

The use case: My car is 96% street driven in the summer. She's mostly a weekend or nice weather cruiser, with maybe one to two road race events a year, and one to two trips to drag strip per year. I'm looking for strong mid-range engine that's nearly indestructible. I don't want to rev it too far past the low 6k range. The suspension is done up for handling / road racing.

Short block: Ford M-6009-363 Z363 short block
Heads: AFR185 Renegade stud mount (probably the 64cc chambers to target a 10.x CR)
Cam: FTI or other custom grind
Intake: TFS R-series (not the box upper) TFS-51500003
Rocker arms: Jesel sportsman (either 1.6 or 1.7 depending on the cam and what the cam supplier recommends)
Water pump: FlowKooler SN95
Oil pump: Melling standard volume
Distributor: Stock SN95 TFI
Transmission: TKX with SN95-style 7:00 quick time bell housing
Clutch: McLeod RST
ECU: Stock J4J1 with a TwEECer
MAF: 90mm LMAF
Injectors: FR 24, 36, or 42 lb/hr
Fuel rail: Stock SN95
Throttle: BBK 70mm or 75mm
Headers: JBA fox shorties
H-pipe: Bassani X w/cats
Exhaust: Flowmaster AT

Most of my SBF experience has been with stock or stock-ish parts and builds, like ported iron GT40 heads, GT40 / Cobra intakes, and beefed up stock 302 / 351 shortblocks from back in the day. My time is fairly limited these days between family and work, so I'm not interested in building the short-block myself. (I've built a lot of 460s in the past and know how time consuming it becomes.)

I'm really interested in hearing how robust and well suited the FR 363 short block is for this type of application. I can't find much info related to how street-able or race-focused it is in terms of the components used. I think it's setup for road racing, so that could work well for summer street driving.

I'm also very interested in hearing about experiences with the TFS R-series intake. I know that it's geared toward high rpm tuning, but the runner length with larger ports and plenum volume seems like it could work well for a mid-range torque stroker. I don't mind if it sacrifices a little bit of bottom end because these heads and short block could result in a low rpm torque monster that's impossible to hook. TFS's machining and finishing work has always been top-notch from what I've seen. My apprehension on this model intake comes from a number of random posts on other forums stating that it's a flawed design, but there isn't much data or hard flow numbers to back up these claims or detailed elaboration on the flaws. Plan B could be a ported GT40 lower with an extrude honed cobra upper, but the flow-capability and tuning might be way off with the long small diameter runners and 302-focussed plenum volume.

The other option is to go with a similar 351 build in stock displacement or stroker. I have all of the required swap parts to support that, but it might be over-kill for how I use my car. I've also noticed that 351 strokers, which used to be priced within a couple hundred dollars of an 8.2 deck stoker, are going up in price fast.

I'm not looking to break any HP records here. I just want to build something that makes respectable numbers, is a bit more competitive and fun than a stock Cobra engine, all with a large measure of durability to be driven for years to come. I'm also open to "don't waste your money, just slap a set of AFR 165s on your stock short-block with a custom cam and have fun!"

Well, let me know what you think, and thanks in advance!
 
Last edited: Sep 8, 2025

AeroCoupe

lube between the nut and the face. I know my lubes
Founding Member
Oct 28, 2001
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Sep 8, 2025
#2
  • Sep 8, 2025
  • #2
So what are your hp and torque goals? This will drive what you end up doing. If you just want like 100 more hp and something that generates a lot of area under the curve (pretty typical of a road race motor) then you need to state that.

I would build a 347 with some AFR 185’s or TFS 190 11R’s with the TFS R intakes and a custom solid roller cam but that is me. It would not be a stock block as I would want the shift point at 7200 or so. TKX will handle the shifts at that rpm just fine.

Again, you need to settle on the hp and torque goals. My buddy did really well in the NASA American Iron series with a 302 but it had a fat torque curve and he kept the motor in that curve the entire time when on track.

The guy you want chiming in here is @Warhorse Racing
 
Last edited: Sep 8, 2025

WhiteCobra95

10 Year Member
May 2, 2006
631
176
74
Sep 12, 2025
#3
  • Sep 12, 2025
  • #3
@AeroCoupe, Thanks for the input.

Based on the detailed list of parts, the AFR185's flow rates and tuning potential, along with my low to mid 6k rpm nMax and mostly street use requirements, I'm thinking an honest 400-450 flywheel HP should be possible with a broad torque band peaking just shy of the HP number. A solid roller cam and high revs are not in the cards for this one. I've done that with 460s and it's fun, but can quickly become high maintenance.

The biggest mismatch I'm seeing in this plan is the TFS intake manifold, but I'm not completely sure, especially when paired with the 363 short block. I wish the manufacturers posted full specs for the plenum volume and lead-in pipe size to properly calculate out the tuning.
 

2000xp8

SN Certified Technician
Aug 8, 2003
8,015
1,613
194
NJ
Sep 13, 2025
#4
  • Sep 13, 2025
  • #4
Your goals are kinda on the modest side for that setup, i personally don't see much to alter.

With that said, maybe just buy the ford racing 363 crate engine. It's rated for more horse power than you are looking for and i believe it comes with a warranty. I don't know when they changed it, but apparently there are Z2 heads on it and it's rated for 507 flywheel hp @6500rpm.
Be nice to have mostly ford racing parts on a cobra too.
Even possible to run a cobra intake, my buddy used to put them on powerful cars back in the day when he owned his shop, except he had them Extrude Honed.
 
Last edited: Sep 13, 2025

AeroCoupe

lube between the nut and the face. I know my lubes
Founding Member
Oct 28, 2001
5,779
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Sep 13, 2025
#5
  • Sep 13, 2025
  • #5
My 331 made 460ish fwhp on an engine dyno when it was built. I run 42 lb/ hr injectors, an 80mm MAF, Edelbrock Performer RPM II upper & lower, ported Edelbrock Performer heads, and an Ed Curtis custom cam. Again I’d just get a 331 or 347 with the parts you have in hand but that’s me.
 

nickyb

I gotta say i never painted my nuts, Never Ever
15 Year Member
Apr 3, 2009
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nevada
Sep 13, 2025
#6
  • Sep 13, 2025
  • #6
If fp gets over 500 HP with a mild cam and heads then your combo should meet or exceed those numbers.
You could probably do it for less money if you put it together yourself.
I say go for it.
 
F

fasterthangas

Active Member
Oct 5, 2016
165
33
38
Phoenix
Sep 28, 2025
#7
  • Sep 28, 2025
  • #7
I just came across this and have some opinions.
I have a fresh 363 that is a street/strip build. This build was designed by Ed Curtis and Mark O'Neal. It's built for longevity and performance.

Dart Block
Custom Ross flat top pistons
Custom 1.5, 1.5, 3.0 ring package
Vigilante H beam rods
Lightweight, nitrided RPM crank, internally balanced
Canton 7qt oil pan
Custom windage tray/crank scraper
Morel limited travel link bar lifters
AFR 205 heads built by Ed Curtis with titanium retainers and high performance PAC springs.
Manton pushrods
Ported Systemax II intake
Compression ratio is 11:1
FTI hydraulic roller billet cam .600/.616 lift
Runs on 91 pump gas!
1-3/4" MAC long tubes
2-1/2" full exhaust
Jones Maxflow mufflers (straight through)
X-pipe
80lb Deka injectors

Your choice of intake will choke the 363

AFR 205's are barely big enough if looking for peak performance

Straight through mufflers are a must if you care about power

The Deka 80 injectors leave you room to grow.

The Ford 363 crate engine requires special headers due to the raised exhaust ports of the Z heads.

You can run more compression with flat top pistons than the Ford 363 offers and still run pump gas.

My engine drives like stock. No bucking or surging. The FTI cam works.

A well thought out package makes all of the difference. The machine work is key.
Woody from Ford Strokers can set you up. Beware of any builder not familiar with the SBF Dart block and it's machining/assembly requirements.

 
Last edited: Sep 29, 2025

Noobz347

Stangnet Facilities Maint Tech... Er... Janitor
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#8
  • Sep 29, 2025
  • #8
Anybody got flow numbers to add?


Head.200" In / Ex.300" In / Ex.400" In / Ex.500" In / Ex.600" In / Ex
AFR 185 (CNC “Street”)142 / 118195 / 164247 / 200276 / 210289 / 215
AFR 205 (Renegade / performance)141 / 125201 / 180251 / 211291 / 225308 / 231
AFR 220 (Competition / “race ready”)145 / 120207 / 160263 / 214299 / 225316 / 229
TFS 11R 190
 

AeroCoupe

lube between the nut and the face. I know my lubes
Founding Member
Oct 28, 2001
5,779
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183
Claremore, OK
Sep 29, 2025
#9
  • Sep 29, 2025
  • #9
11R 190’s


11R 205’s


11R 227’s
 
Reactions: Noobz347

Noobz347

Stangnet Facilities Maint Tech... Er... Janitor
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#10
  • Sep 29, 2025
  • #10
AeroCoupe said:
11R 190’s


11R 205’s


11R 227’s
Click to expand...

Nice!
I'll add those values to the table and post it someplace that our 'old-heads' (like you) can edit it.
 

AeroCoupe

lube between the nut and the face. I know my lubes
Founding Member
Oct 28, 2001
5,779
3,914
183
Claremore, OK
Sep 29, 2025
#11
  • Sep 29, 2025
  • #11
They are readily available on TFS’s website. Select the head you are interested in, scroll to the bottom of the page and click on “charts and guides”, and then select the one with “airflow” in the title.

 

Habu135

5 Year Member
Jan 10, 2019
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Oct 6, 2025
#12
  • Oct 6, 2025
  • #12
Check out my progress build - "12th Owner". I went with the Ford Performance Z2363 engine and am very happy. Probably could have gone with the Trick Flow Series R box intake for a little more top end hp, but my car is 99% street driven and spins the tires through third. No complaints.

I included my build list on my page to include transmission, etc.
 
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