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Author
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Topic: Rebuilding my 351W
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grandestang
Gearhead Posts: 375
From: Lake Bluff, Illinois USA
Registered: Jan 2003
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posted 02-07-2003 02:09 PM
   
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. ------------------
1970 Grande
H code 351W FMX
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rockafellz
Gearhead Posts: 1426
From: San Lorenzo, CA, USA
Registered: Aug 2001
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posted 02-07-2003 02:15 PM
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 ------------------
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
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posted 02-07-2003 02:21 PM
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 ------------------
1974 Gran Torino, 351W Just a young buck
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stroker man
Gearhead Posts: 216
From: Denville NJ USA
Registered: Mar 2002
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posted 02-07-2003 02:30 PM
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
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posted 02-07-2003 04:41 PM
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
Fleet of FoMoCo products including 88 ASC McLaren Mustang #28
Professional Manwhore
The Barry of BarrysGrrl Quote #1: "I never met a magazine mechanic I liked."
Quote #2: "Make sure brain is in gear before engaging mouth!"
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
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posted 02-07-2003 04:52 PM
welome to M&M 
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65_289
Gearhead Posts: 761
From:
Registered: Jul 2001
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posted 02-07-2003 05:10 PM
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
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posted 02-07-2003 05:33 PM
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
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posted 02-07-2003 05:39 PM
Welcome to Mustangs and More I know for sure these guys will be able to help make a 300+hp 351w. ------------------
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
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posted 02-07-2003 05:55 PM
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
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posted 02-07-2003 06:06 PM
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
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posted 02-07-2003 07:45 PM
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
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posted 02-07-2003 10:29 PM
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
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posted 02-08-2003 01:27 AM
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
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posted 02-09-2003 11:15 AM
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
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posted 02-09-2003 11:40 AM
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
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posted 02-09-2003 02:07 PM
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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