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Author Topic:   Rebuilding my 351W
grandestang
Gearhead

Posts: 375
From: Lake Bluff, Illinois USA
Registered: Jan 2003

posted 02-07-2003 02:09 PM     Click Here to See the Profile for grandestang   Click Here to Email grandestang     Edit/Delete Message   Reply w/Quote
Hey, just joined this forum. Ive been reading through the posts and you guys do a great job answering questions as compared to others forums i have seen. So anyways, it has come for me to rebuild the engine on my grande. It is completely stock- never been rebuilt. This has struck me as an oportune time to add some ponies under the hood. I want to make around 300 to mid 300 hp with good low end torque- healthy but not too extreme. I want to use quality parts, but ive got to keep the cost down- im only 18. Please get me in the right direction in achieving this- cam, intake, carb, heads (would like to use stock heads if possible) any ideas or proven engine combos would be greatly aprreciated.

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1970 Grande
H code 351W FMX

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rockafellz
Gearhead

Posts: 1426
From: San Lorenzo, CA, USA
Registered: Aug 2001

posted 02-07-2003 02:15 PM     Click Here to See the Profile for rockafellz   Click Here to Email rockafellz     Edit/Delete Message   Reply w/Quote
Welcome to M&M grandestang!!

The 300hp goal for the 351w should be easily attainable and streetable. The 351w gurus should be answering you anytime.

Post often!! You will find this place very friendly and VERY informative!!

Oh, post some pics if you have any!!

Erik

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1966 Ford Mustang 2+2
Mine - Restomod in Progress

1966 Ford Mustang Coupe
Dad's - Original Unrestored

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Dubz
Gearhead

Posts: 1718
From: Manitoba Canada
Registered: Oct 2002

posted 02-07-2003 02:21 PM     Click Here to See the Profile for Dubz   Click Here to Email Dubz     Edit/Delete Message   Reply w/Quote
well you have the same car i used to have, and the same engine i have now....

have you taken the motor to a shop to find out if you need a whole rebuild??? Are you loosing lots of compression??
Otherwise you could be spending the money on other things.

I would suggest an edelbrock performer rpm intake (or the air gap model), as well as some good flowing headers (hooker super comps seem to be popular in this croud)

The stock heads should be fine as is, maybe with some new valve springs if you are going to re-cam the engine

Cam kit i would suggest Comp cams XE262H for a daily driver with good low and mid range power. You can use the stock converter and it'll still give you a strong vaccum signal, and should work nicely with the stock heads

That's about all i can help you with
Good luck

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1974 Gran Torino, 351W

Just a young buck

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stroker man
Gearhead

Posts: 216
From: Denville NJ USA
Registered: Mar 2002

posted 02-07-2003 02:30 PM     Click Here to See the Profile for stroker man   Click Here to Email stroker man     Edit/Delete Message   Reply w/Quote
reminds me of my origial 351w in my 69mach1, still have it, this was yrs ago, had my heads ported, intake gasket matched, ex ports gasket matched,threw in a preformer dual plain manifold, edelbrock,600 vacuum sec carb holley, comp cam 270H, 1-5\8 hookers comp headers,h-pipe into 2'' ex, car ran good with that combo, if its automatic throw in a looser converter, maybe 2000 to 2500 stall, that made the biggest differance off the line, my stock converter was big and ugly on the fmx,this will get you started, dont know how much you can do at once but some things to get you going at least.also port match your manifold to the intake ports of the heads.let us know how you make out, lot of guys here can help, they helped me on my 408W.

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Moneymaker
Administrator

Posts: 25883
From: Lyons, IL, USA
Registered: May 99

posted 02-07-2003 04:41 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Welcome to M&M !

------------------
Alex Denysenko
Co-Administrator and Moderator

NHRA/IHRA/SRA member and licensed Superstock driver
MCA member# 53321
NHRA and IHRA SS/LA National Record Holder '00,'01,'02,&'03
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Professional Manwhore
The Barry of BarrysGrrl

Quote #1: "I never met a magazine mechanic I liked."
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Quote #3: "If you can't run with the big dogs, stay on the porch!"
www.moneymakerracing.com

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Trailer_Trash
Gearhead

Posts: 428
From: Alpharetta, Ga, US
Registered: Jan 2003

posted 02-07-2003 04:52 PM     Click Here to See the Profile for Trailer_Trash   Click Here to Email Trailer_Trash     Edit/Delete Message   Reply w/Quote
welome to M&M

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65_289
Gearhead

Posts: 761
From:
Registered: Jul 2001

posted 02-07-2003 05:10 PM     Click Here to See the Profile for 65_289   Click Here to Email 65_289     Edit/Delete Message   Reply w/Quote
Welcome!

Talk to steve'66. I think his 351 makes somewhere around 300 hp.

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steve'66
Gearhead

Posts: 8826
From: Sonoma,CA,USA
Registered: Mar 2000

posted 02-07-2003 05:33 PM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
Welcome to M&M!

A 300 h.p. 351w huh, that shouldn't be too hard. Are you talking flywheel h.p., or rear wheel h.p.?

SteveW

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Fastymz
Moderator

Posts: 18703
From: Reno Nv USA MEM#1240
Registered: Apr 2001

posted 02-07-2003 05:39 PM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
Welcome to Mustangs and More I know for sure these guys will be able to help make a 300+hp 351w.

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SCOOP
oddly obsessed with big scoops on little Mustangs

2.26 60'S
14.9 @ 90.86MPH

65 coupe,351w,C4,Big Boss 429 hood scoop,8"3.40 TracLoc,Cragar SS,Black Suede.

https://mustangsandmore.com/ubb/Fastymz.html

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grandestang
Gearhead

Posts: 375
From: Lake Bluff, Illinois USA
Registered: Jan 2003

posted 02-07-2003 05:55 PM     Click Here to See the Profile for grandestang   Click Here to Email grandestang     Edit/Delete Message   Reply w/Quote
300 rwhp would be nice if it could be done without messing with the stock heads. thanks

------------------
1970 Grande
H code 351W FMX

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68DARKHORSE
Gearhead

Posts: 422
From: Austin, Tx
Registered: Aug 2002

posted 02-07-2003 06:06 PM     Click Here to See the Profile for 68DARKHORSE   Click Here to Email 68DARKHORSE     Edit/Delete Message   Reply w/Quote
It can be done. I would at least grind out the exhaust ports. You really can't make them worse. "Just stay of the floor" and gasket match the roof and walls.

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D&S Induction Systems
Gearhead

Posts: 118
From: Columbia Heights Mn U.S.A.
Registered: Feb 2003

posted 02-07-2003 07:45 PM     Click Here to See the Profile for D&S Induction Systems   Click Here to Email D&S Induction Systems     Edit/Delete Message   Reply w/Quote
Hi, This is what I'd do...

First off, do a complete rebuild. Performance parts mean nothing w/o a good foundation.

Performance Parts:
-Performer RPM intake
-comp cams EX 268H (get springs and lifters too)
-headers

-Get the rotating assembly balanced!
-Open up exhaust valves to 1.60
-Have them do extensive 100 grit Ex. port
work.
-Grind about 5-8cc out of the intake runners and do a 80 grit crossover and 100 grit short side and bowl polish. (factory ford heads need alot of help)

You can expect an easy 320 hp @ 5500 to 6000 and 370 ft/lb @ arround 4000.



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Trailer_Trash
Gearhead

Posts: 428
From: Alpharetta, Ga, US
Registered: Jan 2003

posted 02-07-2003 10:29 PM     Click Here to See the Profile for Trailer_Trash   Click Here to Email Trailer_Trash     Edit/Delete Message   Reply w/Quote
for a street car:

get a mild cam
get an aluminum Edelbrock Performer RPM intake
get nice longtube headers
get some nice aluminum heads
work the heads all over
bore it .03 - .06 over
rebuild and balance the engine
roller rockers
get a 650 - 750 cfm Holley carb

this could give you maybe 400 hp if you match everything nice and set it up right

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grandestang
Gearhead

Posts: 375
From: Lake Bluff, Illinois USA
Registered: Jan 2003

posted 02-08-2003 01:27 AM     Click Here to See the Profile for grandestang   Click Here to Email grandestang     Edit/Delete Message   Reply w/Quote
Thanks guys that should get me going in the right direction.

------------------
1970 Grande
H code 351W FMX

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sodi
Gearhead

Posts: 197
From: Kenosha Wi. USA
Registered: Dec 2002

posted 02-09-2003 11:15 AM     Click Here to See the Profile for sodi   Click Here to Email sodi     Edit/Delete Message   Reply w/Quote
Welcome grande

I,m thinking of doing the very same thing to my 70 Mach. The help here is incredible .
But I have to ask ?? Dubz use,s a Xe262H cam and stoker uses a 270H cam are they booth by comp.cams ?? And what about Comp.s kit with springs and the hardware over stock worn springs.

Thanks again sodi.
And welcome grande

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V8 Thumper
Gearhead

Posts: 4377
From: Arizona
Registered: Dec 2001

posted 02-09-2003 11:40 AM     Click Here to See the Profile for V8 Thumper   Click Here to Email V8 Thumper     Edit/Delete Message   Reply w/Quote
Welcome to M&M!

Get this:
https://mustangsandmore.com/ubb/Forum1/HTML/005310.html

That thread is aimed at 289/302's, but much of it will cross right over with few variences. With 60+ more cubes, you're in the 350-360 horsepower range easily

------------------
1965 GT coupe, 333ci aluminum headed/solid cammed stroker, four speed, 3.70:1 9"

All Blue Oval, no blue bottle
http://mustangsandmore.50megs.com/V8Thumper.html

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Dubz
Gearhead

Posts: 1718
From: Manitoba Canada
Registered: Oct 2002

posted 02-09-2003 02:07 PM     Click Here to See the Profile for Dubz   Click Here to Email Dubz     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by sodi:
But I have to ask ?? Dubz use,s a Xe262H cam and stoker uses a 270H cam are they booth by comp.cams ?? And what about Comp.s kit with springs and the hardware over stock worn springs.

They are both comp cams, the XE has more exhaust duration to work better with the smaller exhaust valves...
The kit that includes springs would be a good idea since i don't think stock springs can handle that much lift...and the stock springs arn't as good either

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