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Author Topic: 351 windsor heads  (Read 1198 times)
rustymustang
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« on: October 22, 2017, 01:43:54 am »

 Huh?  I got a 1988 351 windsor from an old van ,it was rebuilt a while ago and i got a 1978 351 windsor with a rod thur the oil pan . all this is going in a 1967 mustang ,i see the heads on the newer engine have bolt down rocks while the old 351 has studs ,now,, what heads would be best to use ? keep the truck heads or use the old pass. heads  ?
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1967 pony 351W / c4 Tranie 3:00  8''rear axle
1977 302 cougar /C4 tranie
al2
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« Reply #1 on: October 22, 2017, 11:02:36 am »

You can probably upgrade do aluminum heads new for what it will cost to rebuild old cast iron heads
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juiced coupe
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« Reply #2 on: October 22, 2017, 11:03:32 am »

What are the numbers on the older heads? Should be something like "D5TE" on the bottom of the head, near the pushrod holes.

But the most obvious answer is the set that needs less work. No factory head is desirable enough to put a lot of money into.
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Doing more with less, or something like that.
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Bottom line, if it was the hot ticket, the fast guys would do it.............they don't

You might need some Titanium rods and a flow bench!  LMAO on floor

I honestly don't get it.

I'm sweating, my heart is racing, my clutch foot is twichin', and my right arm punched the computer screen doing an involentary 2-3 shift while reading all that. 
Outlaw Bill
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« Reply #3 on: October 22, 2017, 12:07:23 pm »

Better off with a set of affordable aftermarket heads. Those factory heads could need valves, valve job, guides, and all hardware. Now a big IF is you may find some GT40 heads in good shape that need very little work, but don't pay more than $300-$400.00 for them.
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rustymustang
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« Reply #4 on: October 22, 2017, 12:57:24 pm »

   i have seen the GT40 heads at my local pull a part ,i think that's what i will use ,i just wonder what they will change me ?
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1967 pony 351W / c4 Tranie 3:00  8''rear axle
1977 302 cougar /C4 tranie
scienceguy
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« Reply #5 on: October 22, 2017, 07:33:07 pm »

1978 heads are JUNK performance wise.  GT40 are definitely better.  Aftermarket is best, performance wise.

What you need depends on what you want to do with it, and just how tight of a budget you're on.
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