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Author
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Topic: 347 SC COMBO Suggestions
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PWR HNGRY 302
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Member # 6000
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Alright guys, Iam looking at getting a SC 347 (smog legal)for my 87 5.0 LX Hatchback by next year so I need to plan this out to estimate cost. I know I want it based around a DART block but I want some ideas about H/C/I and type of SC, boost and so on. I want a combo that will propel me into the high 10's low 11's but also be reliable but this will not be my DD. Alright bring on the suggestions.
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Posts: 2655 | From: SF Bay Area | Registered: Sep 2005
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92stangLX
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Member # 3252
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posted
347
Trick Flow Heads
Stage 1 cam
1.7 rr's
TFS Street intake
Vortech Strim w/ 8lbs of boost
AJFPR
42lb injectors
SCT MAF
255 intank
t-rex inline
equal length shorties
Bassani o/r x-pipe
2 1/2" cat back
Save some money for a custom tune. You will also need a good suspension and tires to hook ![[Wink]](wink.gif)
Posts: 5302 | From: San Francisco | Registered: Sep 2003
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PWR HNGRY 302
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Member # 6000
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posted
As far SC what have proven good numbers as well as reliability paxton, votech, powerdyne ect.?
[ May 20, 2007, 02:08 AM: Message edited by: PWR HNGRY 302 ]
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87 Fox- Restoration in progress
2014 Tacoma DCLB MGM
2017 Prius Prime (The Daily)
Posts: 2655 | From: SF Bay Area | Registered: Sep 2005
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PWR HNGRY 302
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Member # 6000
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posted
Dont you think the stage 1 cam might be a bit small? Also ported TF heads or just slap them on? I'am kinda leaning towards a cutom cam, just to avaoid sticking with 302 parts. From what iam hearing get 302 parts make 302 power.
[ May 20, 2007, 02:06 AM: Message edited by: PWR HNGRY 302 ]
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87 Fox- Restoration in progress
2014 Tacoma DCLB MGM
2017 Prius Prime (The Daily)
Posts: 2655 | From: SF Bay Area | Registered: Sep 2005
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SmokinLX
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Member # 1684
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posted
quote:
Originally posted by PWR HNGRY 302:
Dont you think the stage 1 cam might be a bit small? Also ported TF heads or just slap them on? I'am kinda leaning towards a cutom cam, just to avaoid sticking with 302 parts. From what iam hearing get 302 parts make 302 power.
I started to post this same thing but did'nt want to burst Your bubble. If You are going to drop the kind of coin down for a setup like this "15-20K" then I would do it rite with the custom cam, fuel sysem, and have fox lake port the TW's. If not then just build a stock block HCI and slap a blower on and You should meet Your goal for less than 1/2 the money!
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Dont claim power if ya cant mile per hour. 10 second AOD
Posts: 4388 | From: East Bay | Registered: Aug 2002
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S351-R
CAFords OG
Member # 1605
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posted
quote:
Originally posted by 92stangLX:
347
Trick Flow Heads
Stage 1 cam
1.7 rr's
TFS Street intake
Vortech Strim w/ 8lbs of boost
AJFPR
42lb injectors
SCT MAF
255 intank
t-rex inline
equal length shorties
Bassani o/r x-pipe
2 1/2" cat back
Save some money for a custom tune. You will also need a good suspension and tires to hook
The same basic combo in my '89 Saleen makes 480 RWHP and 485 RWTQ on a safe tune w/91 octane. With the right suspension and traction, that kind of power should propel a Fox-body Stang into the 11-10 second range in the quarter mile.
[ May 20, 2007, 02:30 AM: Message edited by: S351-R ]
Posts: 344 | From: Earth | Registered: Jul 2002
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SmokinLX
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Member # 1684
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posted
quote:
Originally posted by S351-R:
quote:
Originally posted by 92stangLX:
347
Trick Flow Heads
Stage 1 cam
1.7 rr's
TFS Street intake
Vortech Strim w/ 8lbs of boost
AJFPR
42lb injectors
SCT MAF
255 intank
t-rex inline
equal length shorties
Bassani o/r x-pipe
2 1/2" cat back
Save some money for a custom tune. You will also need a good suspension and tires to hook
The same basic combo in my '89 Saleen makes 480 RWHP and 485 RWTQ on a safe tune w/91 octane. With the right suspension and traction, that kind of power should propel a Fox-body Stang into the 11-10 second range in the quarter mile.
You have a stroker or 302 in it?
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Dont claim power if ya cant mile per hour. 10 second AOD
Posts: 4388 | From: East Bay | Registered: Aug 2002
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PWR HNGRY 302
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Member # 6000
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posted
And if it is a 347 what did it cost you?
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87 Fox- Restoration in progress
2014 Tacoma DCLB MGM
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Posts: 2655 | From: SF Bay Area | Registered: Sep 2005
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Luke87GT
Lay'n more stripes
than Caltrans
Member # 21
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posted
If you want high 10's w/ the 347, I would try to do it NA
10.5:1 347
AFR185 or TFS CNC 185 from TEA or Vic Jrs
Vic Jr 5.0 intake
I'd talk to Hi-Tech Motorsports for the cam
75mm TB
80mm+ MAF
42s
Anderson Power-pipe
1 3/4" headers
3" exhaust
With a tune it should lay down anywhere between 400-450rwhp and you should be able to squeek a 10.99 on slicks with good conditions and a manual tranny.
Just remember, well built 347s and boost do not mix with stock blocks.
If you want boost with the 347, you need to start looking into one of the stronger blocks.
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Stangless
Posts: 7802 | From: San Mateo | Registered: Jul 2000
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SmokinLX
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Member # 1684
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posted
Do You have HCI now? What condition is Your engine in? Let us know what You have, like gear's, subframes, header's, tires, ect........
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Dont claim power if ya cant mile per hour. 10 second AOD
Posts: 4388 | From: East Bay | Registered: Aug 2002
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PWR HNGRY 302
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Member # 6000
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posted
Stock motored 5.0, as of right now i have MM full length sub frames, reinforced torque boxes, 3.73's, aluminum driveshaft, BBK equal length headers, u/d pullies, electric fan, pro 5.0 shifter, O/R H-pipe, BBK CAI, BFG's drag radials. As for as the 347 I would want it based on a DART block and spoke with AED about building it but i was unsure about what exactly wanted so I want to narrow down what i want before i talk to them again.
[ May 20, 2007, 10:04 PM: Message edited by: PWR HNGRY 302 ]
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87 Fox- Restoration in progress
2014 Tacoma DCLB MGM
2017 Prius Prime (The Daily)
Posts: 2655 | From: SF Bay Area | Registered: Sep 2005
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PWR HNGRY 302
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Member # 6000
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posted
Also i want to keep it smog legal
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87 Fox- Restoration in progress
2014 Tacoma DCLB MGM
2017 Prius Prime (The Daily)
Posts: 2655 | From: SF Bay Area | Registered: Sep 2005
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SmokinLX
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Member # 1684
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posted
quote:
Originally posted by PWR HNGRY 302:
Also i want to keep it smog legal
What's Your budget?
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Dont claim power if ya cant mile per hour. 10 second AOD
Posts: 4388 | From: East Bay | Registered: Aug 2002
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PWR HNGRY 302
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Member # 6000
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posted
10-12k
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87 Fox- Restoration in progress
2014 Tacoma DCLB MGM
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Posts: 2655 | From: SF Bay Area | Registered: Sep 2005
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91Trunkster
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Member # 6598
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posted
Go all motor with a budget like that, less of a headache than dealing with boost, if I could do it all over again thats what I would do, but turbos are cool though.
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(510)375-1589
Posts: 1648 | Registered: Mar 2006
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92stangLX
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Member # 3252
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posted
quote:
Originally posted by PWR HNGRY 302:
Also i want to keep it smog legal
You could probably go bigger on the cam and make more power. However the trick is to get a cam that will pass smog. I would talk to a someone who does custom cams and get a recommendation.
Don't worry, you will make really good power, even with the stage 1 cam. If you are not happy with power @ 8lbs of boost then all you need to do is buy a smaller pulley
Posts: 5302 | From: San Francisco | Registered: Sep 2003
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Fox Lightning
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Member # 7658
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posted
quote:
Originally posted by PWR HNGRY 302:
Also i want to keep it smog legal
smog legal custom cam 347 dart block
185 afr head
holley systemax
70 mm throtle body
30 pound inj,
200 wet shot
u go in 10' all day
$12 to $14k ![[Big Grin]](biggrin.gif)
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K7 Gsxr 750 (stock) 10.89 @ 137
68 Coupe N/A (stock) 302 t5 9" 12.2 ON 315-18" DR's (under construction)
Raider A's Warriors
Posts: 696 | From: ford land | Registered: May 2007
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PWR HNGRY 302
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Member # 6000
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posted
Ahhh, cool set up but i rather boost than squeez
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2014 Tacoma DCLB MGM
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Posts: 2655 | From: SF Bay Area | Registered: Sep 2005
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need-a-cage
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Member # 5415
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posted
I just got done putting this together. I bought a Dart Sportsman based shortblock from AD Performance. It was about $6500 with a custom Smog legal cam from ED Curtis, forged crank, h-beams, and Probe 20.6cc dished pistons for 9:1 compression. I used a 3.25" stroke crank and a 4.125" bore block. This price also included a damper, oil pan, lifters, billet steel flywheel, timing set, and cam installation. Now I already had a Vortech S-trim and small Edelbrock smog legal performers and Cobra intake. Since I had the blower, I just reused my heads and intake to give me a nice torquey motor that would have great drivability and pass smog. It just passed with flying colors a couple days ago with only 150 miles on it. This told me that I could have probably gotten away with a bigger cam if I was trying to go fast NA. However, blower cams have less overlap which also helps with emissions.
Now, if I didn't already have heads, intake, and supercharger, I would have done it differently. If I were you, I would get the same block I did but use a 3.4" stroke crank to get you 363 cubes and an off the shelf big bore piston that will give you around 10:1. Your emissions will be higher and low end torque and midrange won't be as good, but you can get 120mph out of it in NA trim with the right heads and intake. That would be sweet. Just remember, if you go under 11.50 you have to put a cage in it along with a bunch of other stuff. I ran 11.43 with the stock shortblock, so I am expecting my blown 347 with my crappy heads and intake to hit a high 10 with 10psi. I will only get one try since I don't have a cage.
I should have track results in a few weeks in NA trim. The blower will go back on later this year after I have 1000 miles on it and hopefully a mid 12 @ 110 mph NA.
Good Luck!!
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93 LX Hatch, Dart Big Bore 347, Edelbrock 6037's, Cobra intake, Tremec, S-trim, 60# injectors, Tweecer RT
10.84 @ 128.5mph
Posts: 606 | From: Santa Rosa | Registered: Mar 2005
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PWR HNGRY 302
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Member # 6000
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posted
Thanks need-a-cage. Wouldn't a 363 be too much stroke for a base 302 block? Now if you didn't have the H/I already what would you have chosen?
[ May 21, 2007, 11:13 AM: Message edited by: PWR HNGRY 302 ]
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87 Fox- Restoration in progress
2014 Tacoma DCLB MGM
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Posts: 2655 | From: SF Bay Area | Registered: Sep 2005
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turbo50
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Member # 6700
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posted
quote:
Originally posted by PWR HNGRY 302:
Thanks need-a-cage. Wouldn't a 363 be too much stroke for a base 302 block?
Not if you are going to an aftermarket block.
Also I am sure the bigger bore will help valve shrouding.
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I offer quality sidework at reasonable prices. PM ME
Posts: 7606 | From: Discovery Bay, California | Registered: Apr 2006
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need-a-cage
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Member # 5415
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posted
A 3.4" stroke is what gives you a 347 when you bore it .030 over. If you go to a Dart Sportsman, you can bore it out to 4.185, so if you start at 4.125" you can still bore .030 over twice in the future if necessary. So, a 363 is the same crank and rods as a 347, it is just that you are using a bigger bore. The pistons are only an extra $100 and the block is the same price so it is pretty much free horsepower. Also, it does unshroud the valves as Court said. I don't think that is helping much in my case with my tiny little 1.9" valves.
To stay Smog legal I would probably go with AFR 185's with upgraded springs and a Holley or Edelbrock 2 intake. I would investigate this further however and ask the guys running 10's NA what they did. If you aren't going to boost it and you aren't doing it right away, I would wait to see what that 450hp Boss Crate motor is going to be all about. That should get you a mid 11.
How about this? Just have them switch out to a big bore Dart Sportsman for at most 2k more and switch to an EFI manifold. That would be a sweet motor for 10k. See below for Keith Craft add. You may also have to switch to an EFI and smog friendly cam. I bet you could send them a custom from Ed and they would put it in.
331/347 standard crate engine
475-500hp
450ft pounds of torque
$7,775.00 331/347 standard crate engine
450hp/425 ft pounds of torque
475-500hp/450ft pounds of torque (NEW DYNO NUMBERS)
Fully machined production block, New Scat or Eagle 4340 forged crank, New Scat or Eagle 4340 H beam rods, Mahle coated or SRP forged pistons, Plasma moly rings, Federal Mogul bearings, Hyd roller camshaft, Hyd roller lifters, AFR 185 heads or cnc’d Brodix 5.0 Heads, Scorpion roller rockers, ARP head bolts, Fel Pro gaskets, Edelbrock Victor Jr intake, Canton 7qt oil pan, replacement damper and spacer, 28 oz balanced, blueprinted and assembled. Includes carburetor, water pump, distributor
with polymer gear, Ford Racing or Moroso plug wires, Keith Craft logo'd valve covers & gaskets.. ............$7,775
Call 1-870-246-7460 or Email Us
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93 LX Hatch, Dart Big Bore 347, Edelbrock 6037's, Cobra intake, Tremec, S-trim, 60# injectors, Tweecer RT
10.84 @ 128.5mph
Posts: 606 | From: Santa Rosa | Registered: Mar 2005
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PWR HNGRY 302
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Member # 6000
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posted
Sounds like a good idea 363 has a nice ring to it, ima look into it. So what it breaks down to is To Boost or not to Boost
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2014 Tacoma DCLB MGM
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Posts: 2655 | From: SF Bay Area | Registered: Sep 2005
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need-a-cage
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Member # 5415
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posted
Are you planning on putting a cage in it?
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93 LX Hatch, Dart Big Bore 347, Edelbrock 6037's, Cobra intake, Tremec, S-trim, 60# injectors, Tweecer RT
10.84 @ 128.5mph
Posts: 606 | From: Santa Rosa | Registered: Mar 2005
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PWR HNGRY 302
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Member # 6000
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posted
Yea i want to run in the low 11's high 10's so it looks like i am going to have a cage in there, doesn't MM have a track legal cage for a good price?
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