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Author Topic:   ideas for more power
tc67pony
Journeyman

Posts: 12
From: st. louis, mo , usa
Registered: Aug 2001

posted 08-01-2001 11:55 PM     Click Here to See the Profile for tc67pony     Edit/Delete Message   Reply w/Quote
I have a 67 mustang 289, c4, with 2.79 gears. I was recently at the track and pulled a 17.9, I know the gears suck, but I really want to make my mustang move into the 12 to 13 second range. I don't what to do. Either invest money to hop up the 289 or buy a bigger built up engine. Any ideas would be very helpful.

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68F100
Gearhead

Posts: 1562
From: Fort Madison, Iowa USA - United We Stand
Registered: Oct 99

posted 08-02-2001 01:41 AM     Click Here to See the Profile for 68F100   Click Here to Email 68F100     Edit/Delete Message   Reply w/Quote
I'm not a dragracer (yet) but I'm thinking your biggest hindrance is the Sam gears. To knock 5 seconds off your 1/4 time you are looking at a whole bunch of change to your car I think. It's possible with a 289 though, just look at MoneyMaker.

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Toronado3800
Journeyman

Posts: 63
From: St. Louis, MO
Registered: Jul 2001

posted 08-02-2001 01:48 AM     Click Here to See the Profile for Toronado3800     Edit/Delete Message   Reply w/Quote
tc67, what kind of money do you have to fool with? Where does your 289 stand? How built is it?

You could start buying go fast stuff that will swap to your next motor. Exhaust upgrades, gears, ignition, intake, then a thick radiator, brake and suspension upgrades, and rebuild your C-4.

Others here are a lot better on the interchange than me, but I believe most 289 stuff would work on a 302 but not a 351W or 351C. While your buying stuff for your 289 powered car you could be building another 289 or 302 on the side

Good luck!

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steve'66
Gearhead

Posts: 4307
From: Sonoma,CA,USA
Registered: Mar 2000

posted 08-02-2001 11:59 AM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
All good advice!

Plan on spending a chunk of change, make a plan and stick to it. You'll should plan on a 9" rear with 4.11 gears and a trac-lock. Tranny rebuild with the good parts, high stall torque convertor, and lastly about 320+ rear wheel h.p. There are a lot of ways make the power, just stick to your plan. If you start buying parts for the 289/302 then switch to a 351w or 351c you'll waste a lot of money. Your '67 will take any of these engines easily. Good luck,

SteveW

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tc67pony
Journeyman

Posts: 12
From: st. louis, mo , usa
Registered: Aug 2001

posted 08-02-2001 12:43 PM     Click Here to See the Profile for tc67pony     Edit/Delete Message   Reply w/Quote
I have done a few simple mods like headers, dual exuast,accel wires, and the whole petronix setup. I plan on spending 5K alone on the engine. Right now the engine and tranny has been rebuilt 20k miles ago. Is it possible to spend that much on the 289 to get it in the 13 sec range with out adders like nitrous and blowers. Thats if I had a good tranny and gears set up also. Thanks for the ideas

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steve'66
Gearhead

Posts: 4307
From: Sonoma,CA,USA
Registered: Mar 2000

posted 08-02-2001 12:56 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by tc67pony:
I have done a few simple mods like headers, dual exuast,accel wires, and the whole petronix setup. I plan on spending 5K alone on the engine. Right now the engine and tranny has been rebuilt 20k miles ago. Is it possible to spend that much on the 289 to get it in the 13 sec range with out adders like nitrous and blowers. Thats if I had a good tranny and gears set up also. Thanks for the ideas

Yes it is very possible! Maybe Alex will give you a recipe. You could afford a stroker with great heads for $5,000 , like Jazzy just built.

SteveW

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65_302
Journeyman

Posts: 66
From: Bixby, OK
Registered: Jul 2001

posted 08-02-2001 01:34 PM     Click Here to See the Profile for 65_302   Click Here to Email 65_302     Edit/Delete Message   Reply w/Quote
We bought a 302 XB3 crate motor for $3K. Added a Tremec 3550 (5spd) for $1.2K. They dynoed one like ours at 376HP (flywheel) with EFI. Figure a loss of 15% for driveline and carb and its about 320HP at the rw. We have tri-ys, they were running jba shorties (+5 for us). So we are at approximately 325 rwhp. Our next project is to get rid of the 3.25 peg leg situation for a 3.73 or 4.11 trac-loc of some kind. Would like to swap the whole thing for a 9" set up but blew our cash on the front end. I can get the gears and trac-loc done for $700 - $900. 2 1/2" pipes all the way through dual chamber flowmasters. Sounds nice. Not too loud, but enough to make a statement. Add some good rubber and we are ready. By the time the Oklahoma heat goes away (Oct - Nov) we will be ready for the strip. If we don't get low 13s to high 12s with this set up, I am going to buy a new Cobra and forget the restomod thing. Stay with it tc67, for $5K + some hard work, you can get into the 13s for sure.

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JAAZZY
Gearhead

Posts: 723
From: Bay Area, CA
Registered: Apr 2001

posted 08-02-2001 01:35 PM     Click Here to See the Profile for JAAZZY     Edit/Delete Message   Reply w/Quote
My combo was a little under $5K but unfortunately that didn't include the heads or fuel system. My heads were about $2400 with all of the port work. This was done a long time ago though and not that much Ford stuff was available. I think you could get heads that flowed in the same range for maybe for a little less now. Actually most of the heads are great just out of the box. So figure $5K for your combo with right out of the box combo.

If you don't have a lot of money invested in parts for the 289 I would say dump it and just go to a 351W or even a stroked 351W. I think you might be able to put one together for around $5K. Here's a general price list:

377W Shortblock $2800
Heads $1000
Roller Cam $300
Roller Lifters $300
Carb $300+
Intake $300
Headers $300
Misc $500

Total Approx: $5800 if you do all the labor. This combo with traction should get you in the low 12s easy. For about $500 more you could do the 408 or 427 stroker. You can also save about $400 by going with a regular cam.

Just keep in mind that space will be limited but the power should be great. If you have a choice pick the larger motor. My next combo will be a stroked 351W as well.

Ask Steve about his combo... you'll like the performance I assure you!

quote:
Originally posted by steve'66:
Yes it is very possible! Maybe Alex will give you a recipe. You could afford a stroker with great heads for $5,000 , like Jazzy just built.

SteveW


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steve'66
Gearhead

Posts: 4307
From: Sonoma,CA,USA
Registered: Mar 2000

posted 08-02-2001 01:54 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
My daughter, Melissa's is a

351W with
Edelbrock Performer rpm heads
Edel RPM intake
750 Holley
Comp 282S cam
lightweight forged al pistons
Heddman headers
2.5" exhaust w/2 chamber flows
etc. etc.

Total expense, $3500
rwhp - 328

SteveW

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bluestreek
Gearhead

Posts: 827
From: Athens,GA
Registered: Jul 2001

posted 08-02-2001 02:03 PM     Click Here to See the Profile for bluestreek   Click Here to Email bluestreek     Edit/Delete Message   Reply w/Quote
The biggest decision on a 289-302 hi-perf is deciding whether to keep the stock heads or go to aftermarket aluminum.. A good set of heads and cam alone should get you into the low 14s high 13s with 3.25+ rear gears.. My 289 4 speed uses stock 68 2bbl modified heads(1.90 SS valves), and gets me in the 13s easily on real street tires.. I use a RPM intake, Lunati .512 lift bracket cam, dual 2 chamber Flowmasters, and 3.50 rear and shift @ 6200 rpms..
Aftermarket heads and cam are the easiest route to 320+ HP.. With an automatic you would need at least 3.73 rear gears and at least 2800 rpm stall converter to make get it off the line good and keep it streetable..When building street/strip cars you have build it to suit your needs and decide where to draw the line... Trailer cars are much easier to deal with..

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mustangs68
Moderator

Posts: 14326
From: Hampton,Virginia,USA 1968 Fastback & 1995 Vert MCA#39406 M&M #12
Registered: May 99

posted 08-02-2001 04:27 PM     Click Here to See the Profile for mustangs68   Click Here to Email mustangs68     Edit/Delete Message   Reply w/Quote
289 can rip with or without gears LOL

check out my 289.
www.1968mustang.org
My 289 section

Oh and for the cost dollar to HP go with the World Product heads rather than Alum.

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JAAZZY
Gearhead

Posts: 723
From: Bay Area, CA
Registered: Apr 2001

posted 08-02-2001 05:07 PM     Click Here to See the Profile for JAAZZY     Edit/Delete Message   Reply w/Quote

I like your air cleaner lid. I have been looking for something myself but just gave up and purchased another Chrome Ford. The one I had flaked a little and rusted in those spots.


quote:
Originally posted by mustangs68:
289 can rip with or without gears LOL

check out my 289.
www.1968mustang.org
My 289 section

Oh and for the cost dollar to HP go with the World Product heads rather than Alum.


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steve'66
Gearhead

Posts: 4307
From: Sonoma,CA,USA
Registered: Mar 2000

posted 08-02-2001 05:12 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by mustangs68:
289 can rip with or without gears LOL

What does yours run with the 279 open rear? Huh? Come on, how fast does it "rip"? j/k

SteveW

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cpmaverick
Moderator

Posts: 1353
From: Auburn, AL.
Registered: Jan 2000

posted 08-02-2001 07:51 PM     Click Here to See the Profile for cpmaverick   Click Here to Email cpmaverick     Edit/Delete Message   Reply w/Quote
Buy some aftermarket heads, intake, and a good cam; that and gears will get you in the 13s.

Buy aftermarket heads, I didn't and wish I did. I spent a lot of money on my stock '87 Mustang heads, put GT40 valvetrain in them. As it stands I could have nearly bought a set of aftermarket heads for what I have in mine now.

I also suggest a roller cam/roller rockers, electric fuel pump and fan. All that gets more power and more gas mileage.

My setup:

1987 Mustang 5.0L stock bottom end
Stock E7TE heads w/GT40 valves & springs (ported)
B303 roller cam
1.7:1 Crane Energizer roller rockers
Weiand Stealth Intake
Holley 600 Double Pumper
Cheap Headers
Windage Tray
Electric fan & fuel pump
3.70:1 rear gears, Traction-Lok

My best run is a [email protected] I am outrunning my carb right now and don't have many passes under my belt. With a 650 DP and some practice I beleive mid-to-low 13s will be no problem. And if you add up my mods they are pretty cheap.

------------------
-Charlie Ping
1970 Maverick Grabber
[email protected]
Daily Driver
http://www.maverickgrabber.com

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Toronado3800
Journeyman

Posts: 63
From: St. Louis, MO
Registered: Jul 2001

posted 08-03-2001 04:42 AM     Click Here to See the Profile for Toronado3800     Edit/Delete Message   Reply w/Quote
I liked the way Jaazzy's stroker 302 looked on desktop dyno. Especially since it will match with some of your existing parts. There were definately enough extra h.p. you could even go more conservitive with the cam and/or compression and drive her around all day and still rock a new Camaro's world!

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