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CC Advertisers
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02-13-2009, 09:27 AM
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CC Member
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Join Date: Feb 2009
Cobra Make, Engine: Factory Five MK1 EFI 302 tremec 5 speed 355 gears
Posts: 9
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Not Ranked
In laymens terms the difference is
The side oiler oils the rods & mains first then the top of the engine ie valve train.
The regular FE like a 390 or 428 oil the top of the engine first and the rods and mains last and that what has caused many bearing failures at higher RPM.
Also the FE mains are drilled so that once a bearing is installed there can be as much as half the oil hole not matching the hole in the bearing and all FEs should have the oil openings opened up to get full lubricaion to the main bearings. |
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02-13-2009, 09:44 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,001
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Not Ranked
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02-13-2009, 02:06 PM
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Senior Club Cobra Member
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Join Date: Jun 2004
Location: Huntington,
VT
Cobra Make, Engine: E-M 427 Top Oiler stroked to 482 by KC, Stage 2 heads, a Quikfuel and Voila, 640 hp
Posts: 502
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Not Ranked
Good read!
Thanks
Tim
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02-18-2009, 06:39 AM
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CC Member
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Join Date: Feb 2006
Location: Lake Havasu City, AZ,
AZ
Cobra Make, Engine: Arps/Burroughs/Hurricane/428FE
Posts: 1,346
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Not Ranked
We're talkin NASCAR motors here, .....not the local stock drag strip machines or street rods.
There are about a kazillion FE motors out there that make great HP and hold up just fine and are not Sideoilers. If you have a legit purpose for a sideoiler...go for it,.... but other than that it's just "pissin rights".
Just my opinon, Old Bill
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02-18-2009, 06:47 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,001
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Not Ranked
Quote:
Originally Posted by Bill Bess
There are about a kazillion FE motors out there that make great HP and hold up just fine and are not Sideoilers.
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And most of the FEs around here are strokers anyway. And most of those are SCATs, and that means they ain't Ford no mo'. They're more Chevy than anything else (mine included).  |
02-18-2009, 08:18 AM
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CC Member
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Join Date: Jul 2004
Location: Spring Grove,
IL
Cobra Make, Engine: Shell Valley Cobra Kit -428 Fe Built by Clayton Racing Engines
Posts: 519
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Not Ranked
I used the same article in the build last year of my 1967 428 FE , then I put in a 5700 chip in the MSD to play it safe . It works great and had no problems . But I would be verrrrrry afrrrrraid to turn 7000 rpm,s .
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02-18-2009, 08:37 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,001
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Not Ranked
I have a solid cam and a SCAT lower end, along with a rev limiter set at 6400 RPM. I try and shift at just over 6000, as there is no real point in going much over that. But ocassionally I bounce off my rev limiter when I'm not paying careful attention. I have no doubt she would waltz past 7000 if given the chance. FWIW, here are my shift points based on my gear ratios and torque curve.
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02-20-2009, 03:30 PM
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CC Member
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Join Date: Feb 2009
Cobra Make, Engine:
Posts: 6
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Not Ranked
any one out there can tell me how to tell a 390 from a 427,the engine i have is a 65 with 64 heads 6090 G, the block was cast jan 65 (c5ae) also has a aluminum intake#c3ae-9424-e with chrome valve.
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02-20-2009, 03:52 PM
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CC Member
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Join Date: Feb 2009
Cobra Make, Engine:
Posts: 6
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Not Ranked
differents between 390 from 427
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02-20-2009, 03:54 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,001
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Not Ranked
Look for the cross-bolted mains that a 427 has. Here's a shot:
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02-21-2009, 04:45 AM
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CC Member
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Join Date: Jul 2005
Location: Virginia Beach, Va & Port Charlotte, Fl.,
Posts: 2,284
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Not Ranked
As Patrick said, look for the cross bolts (bolt heads) there'll be three of them on each side of the block just above the oil pan rail. If the engine's in the car, jack it up and you should be able to see it from underneath. This'll just indicate whether it's a 427 (could be side oiler or top oiler). Heck it could even be an "cross-bolt" aftermarket mod to a 390 or such too.
Dave
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02-21-2009, 06:34 AM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,001
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Not Ranked
Quote:
Originally Posted by undy
This'll just indicate whether it's a 427 (could be side oiler or top oiler).
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It will always be a 390 or something worse. It's only a 427 in fairy tales and other people's posts. If it's yours, it'll be cracked truck block. |
03-24-2009, 12:40 PM
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CC Member
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Join Date: Mar 2009
Location: Rome, Italy,
IT
Cobra Make, Engine: Carroll Shelby, S/C 427 side oiler N° SCX 321x, 6,997 cc, 107,4X96,1 mm, declared 485 HP with 4 Weber 48 IDA, car sold in Germany in 1972
Posts: 7
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Not Ranked
The original racing snakes came with 427 side oilers and cross-bolted main bearings. Occasionally 428 top oilers were used though it was totally different engine. But as Carroll Shelby once pointed, it was pretty hard to find difference between 425 and 475 bph if you were not a racing driver!
Vladimir
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03-24-2009, 01:08 PM
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CC Member
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Join Date: Mar 2000
Location: Des Moines,
IA
Cobra Make, Engine: Sold my beloved Shelby CSX 4068, Gessford 427 Ford
Posts: 756
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Neutral
common Cobra misconception
vladimirpajevic
Yes, the RACING Cobras may have had side-oilers. But the big block Cobra production cars were split roughly into thirds. The first third had center-oilers, the second third had 428s, and the last third had side-oilers.
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CSX4068, '69 Bronco, '70 BOSS 302, '87 Mustang GT, '08 Roush Trak Pak
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03-24-2009, 01:08 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,001
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Not Ranked
Quote:
Originally Posted by DougD
Yes, the RACING Cobras may have had side-oilers. But the big block Cobra production cars were split roughly into thirds. The first third had center-oilers, the second third had 428s, and the last third had side-oilers.
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Uhhh, what about the fourth third?  |
03-25-2009, 07:32 AM
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CC Member
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Join Date: Mar 2000
Location: Des Moines,
IA
Cobra Make, Engine: Sold my beloved Shelby CSX 4068, Gessford 427 Ford
Posts: 756
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Not Ranked
1.33?
The fourth third? I never did get this new math, anyway.
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CSX4068, '69 Bronco, '70 BOSS 302, '87 Mustang GT, '08 Roush Trak Pak
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03-25-2009, 01:35 PM
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CC Member
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Join Date: Mar 2008
Cobra Make, Engine: currently Cobra-less
Posts: 579
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Not Ranked
Quote:
Originally Posted by patrickt
It will always be a 390 or something worse. It's only a 427 in fairy tales and other people's posts. If it's yours, it'll be cracked truck block. |
yup, don't get too excited when the ad says 427 side oiler 
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