When the shop internally balanced the crank they did not weld in one of the weights and it let go after 14 miles destroying the crank and block as well as 2 rods. This was the original engine to my 69 Mach.

They are taking responsibility. My decision now is to replace with another 428 block or try to find a 427 and buy new pistons to stroke it to 454 or buy a stroke kit to go to 485 cu in.

The stroke kit is from flatlander and includes a scat cast steel FE crank w/4.250 stroke, pro line/scat H beam rods 6.700 and Venoilia forged F/T pistons. 300.00 more gets you oliver forged rods.

I have no experience with flatlander or the parts above.

I guess I'm looking on opinions on whether to go with the 427 or 428 and if anyone has had experience with flatlander or these parts.

It's my understanding that Oliver rods are "top shelf" rods. If you plan to dragrace your car, I'd go with the Olivers.... If it's just a street car (no slicks), then I'd say the H-beams would be fine.

I've heard good things about Flatlander, but have not dealt with them myself.

Ryan

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'70 Mustang Mach 1 - '72 Mustang Sprint - '94 F-150

https://mustangsandmore.com/ubb/Forum10/HTML/002620.html

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'70 Mustang Mach 1 - '72 Mustang Sprint - '94 F-150

> They are taking responsibility. My decision now is to replace with
> another 428 block or try to find a 427 and buy new pistons to stroke
> it to 454 or buy a stroke kit to go to 485 cu in.

Genesis (317-733-1695) is supposedly delivering cast iron 427 blocks now.
Quite a bit more expensive than a used 428 block though at $2995 for iron
and $3995 for aluminum.

> The stroke kit is from flatlander and includes a scat cast steel FE
> crank w/4.250 stroke, pro line/scat H beam rods 6.700 and Venolia
> forged F/T pistons. 300.00 more gets you oliver forged rods.

That's a long stroke, same as in one of my 427 strokers. Whether or
not Olivers are worth the extra $$$ is probably a function of how
fast you plan to spin the engine but, given the cost of all the other
parts, $300 extra for the good rods might be worth it. Crower also
makes a good FE rod.

> I guess I'm looking on opinions on whether to go with the 427 or 428
> and if anyone has had experience with flatlander or these parts.

Flatlander sells parts of all sorts. They don't specialize in FE's,
so don't expect them to know what works or doesn't. Do your homework
on the parts and then figure out where to order them from. You might
try the FE Forum at:

http://www.network54.com/Hide/Forum/74182

I lurk there and some of the forum members have had their hands on
the SCAT cranks and Genesis blocks so might have some relevant input.

> A good friend of mine dumped his 428 block because he couldn't get
> it to stop leaking coolant at the end cylinders....

What was the cause? Was it a passenger car or CJ/SCJ block?

> so went with a 427 block and his 428 crank (=454 cid)

A standard bore 427 block and a standard stroke 428 crank yield 448 cubes
(rounded to the nearest whole integer).

> then added in an overbore to the 427 giving him 488 cid.

A 0.030" overbore will get you to 454 cubes. 488 cubes would take a
bore a bit greater than 4.4", assuming a 3.98" stroke (428 crank). IIRC,
bore centers on an FE are only 4.63". No Ford 427 block will take a 4.4"
bore but Genesis claims there Siamese bore iron block will go to 4.44".
It's easier to get those cubes from stroking. An offset ground crank
428 crank and 400 rods will go out to 474 cubes in a 427 block. My 486
cube FE uses a custom 4.25" crank (not SCAT) in an 0.030" over 427 block.
Genesis is also working on a 4.125" stroker crank.

This is an ad on racingjunk.com I found tonight.

Have no idea if any of this will help, but you never know.

There is a guy in Georgia, I think that has a whole pile of Boss 429 stuff too.

We have a 428 crankshaft and 2-3sets of 427 rods that we are not goin to use..if you want email me at [email protected]

quote:

---

Originally posted by Daniel Jones:
"... A good friend of mine dumped his 428 block because he couldn't get it to stop leaking coolant at the end cylinders...."

-- What was the cause?
RE: I don't recall that he was able to determine what was the problem....

-- Was it a passenger car or CJ/SCJ block?
RE: I can't say for sure... He's been racing his '69 Mach for over 20yrs now and has had the engine out & apart a 'few' times.....

"...so went with a 427 block and his 428 crank (=454 cid)....then added in an overbore to the 427 giving him 488 cid."

-- An offset ground crank 428 crank and 400 rods will go out to 474 cubes in a 427 block.... My 486 cube FE uses a custom 4.25" crank (not SCAT) in an 0.030" over 427 block. 488 cubes would take a bore a bit greater than 4.4", assuming a 3.98" stroke (428 crank). Dan Jones

---

RE: It's seems likely that my recollection of the method in which my friend got to 488" may of been twisted. Sorry for the confusion. Bottomline is: I do recall that he had problems with his 428 leaking and he ended up using a 427 block and is at 488" now.

www.usbody.com

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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

Let's hear about that E/SA 390 Stang of yours! Maybe get a pic or two on the board too!

FEs are the rock that other FoMoCo Fat Blocks were carved from - way cool to still be running them fast!

Ryan

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Rob Hetzler
member #773
'69 mustang, 351C, best 9.97 @ 133 mph 1/4, 6.18 @ 109.9 1/8
'70 mustang, soon to be 351W powered
'93 F150 Lightning 15.33 @ 87 mph, completely stock with 170k miles
'60 Falcon wagon project car
'99 Pro Et track champion
'00 Mod ET R-up (with new car)