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06-09-2003, 07:40 PM | #1 |
Registered Member
Join Date: May 2000
Location: edmonton
Posts: 24
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building a 351
what are the best flowing factory heads for a 351W?
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306,9.5:1 comp., home made cooled RamAir,65mm TB,73mm MAF, MSD 6AL,Eibach progressives, KYB shocks, no front swaybar, 1-5/8 Flowtec headers, 2-chamber flowmasters w/turndowns, upper/lower Cobra intake (port matched),stock home ported heads,CenterForce2,SVO Aluminum Driveshaft,14.275 at 98 mph shifting @ 4700rpm |
06-09-2003, 09:39 PM | #2 |
Import Slayer
Join Date: May 1999
Posts: 2,241
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1969 351w 4bbl heads are the best factory heads. They are pretty tough to find though.
Why do you want factory heads and not aftermarket? You could also port & polish stock 351w heads and have larger valves installed for half the price of aluminum heads and flow better than '69 351w heads. My stock 351w heads are at the shop, as we speak, getting 2.02/1.60 valves installed and also ported & polished. It's going to cost me about $550-600
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'82 GT 351W (.060)Comp Cams 274* Extreme Energy cam, ported & polished heads w/ 1.94/1.60 valves 10.3:1 flat top pistons,stealth intake, Mallory dizzy,Holley 750dp carb, BBK shorties,Flowmaster exhaust,C-4 with 3700 stall converter, B&M pro shifter,8.8 rear, 4:10's, subframes, electric fan, powermaster alternator, 4 core radiator. |
06-10-2003, 08:14 AM | #3 |
Registered Member
Join Date: Oct 1998
Location: Pitts. Pa. USA
Posts: 61
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82GT
I am running similar set up to yours, however with 750 carb. My heads are suppose to be 351W with 3 angle valve job, w/ 180-154 valves. Will you have to notch your pistons with 2.02 valves? I am interested to hear how they work out for you.
Also, thinking of a set of 165 AFR's but they are pricy. Thanks,
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87 LX, 74 351W, performer plus intake, holley 750, vac sec., 78 prim. 80 sec., 50 pump: Wolverine cam 292-512, windsor heads, ported 3 angle valve, 4:10 rear, AOD, Lentech valve body w/ 10'' converter. No time slips yet! |
06-10-2003, 11:24 AM | #4 | |
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Join Date: Feb 2001
Location: Berkshire County - Massachusetts
Posts: 735
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I have a set of those heads. My block came out of a 69 Cougar with a 4bbl. I didn't realize that they were that good a head. For the $$ I spent on the Edlebrock's I could of had them ported and polished. Oh well :-(
Quote:
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Red 1993 GT Street Machine Best E.T. - 12.41/Best MPH = 108 Engine is a 1969 351 block w/393 stroker kit. Dynamic Roller Myte C4, 8 pt cage. Edlebrock Performer heads and Victor Jr. EFI, FRPP 30lb injectors & Cartech fuel system. MSD ignition. Sothside Machine bars & Sub-frames, adj. upper's, 3.73's, Koni rear shocks, much more |
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06-10-2003, 02:30 PM | #5 | |
Import Slayer
Join Date: May 1999
Posts: 2,241
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Re: 82GT
Quote:
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'82 GT 351W (.060)Comp Cams 274* Extreme Energy cam, ported & polished heads w/ 1.94/1.60 valves 10.3:1 flat top pistons,stealth intake, Mallory dizzy,Holley 750dp carb, BBK shorties,Flowmaster exhaust,C-4 with 3700 stall converter, B&M pro shifter,8.8 rear, 4:10's, subframes, electric fan, powermaster alternator, 4 core radiator. |
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06-10-2003, 02:49 PM | #6 | |
Import Slayer
Join Date: May 1999
Posts: 2,241
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Quote:
You are saving a lot of weight off the front end by having aluminum heads however.
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'82 GT 351W (.060)Comp Cams 274* Extreme Energy cam, ported & polished heads w/ 1.94/1.60 valves 10.3:1 flat top pistons,stealth intake, Mallory dizzy,Holley 750dp carb, BBK shorties,Flowmaster exhaust,C-4 with 3700 stall converter, B&M pro shifter,8.8 rear, 4:10's, subframes, electric fan, powermaster alternator, 4 core radiator. |
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