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Author Topic:   Shelby's 390 hp 289?
I65Stang
Gearhead

Posts: 6508
From: Folsom, CA
Registered: Jun 99

posted 03-04-2001 06:29 PM     Click Here to See the Profile for I65Stang   Click Here to Email I65Stang     Edit/Delete Message   Reply w/Quote
Ok, well I was just watching My Classic Car and they had a '65 Daytona coupe on it. They said it was estimated at 390 hp from the 289. In my search for knowledge, anyone know what Shelby did to these 289s? Man, I about passed out when they fired up that 289, that is pure music.

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Tim
M&M Member #35
1965 Mustang coupe, 200 ci w/ a Holley 2300, Clifford header, and true duals w/ 26" Smithys
1988 Mustang GT vert, totally stock for now
http://all.at/mustang
https://mustangsandmore.com/ubb/I65Stang.html

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Moneymaker
Administrator

Posts: 26813
From: Lyons, IL, USA
Registered: May 99

posted 03-05-2001 12:40 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
4 Weber carbs, an Isky roller cam, ported and polished heads with 1.94 and 1.50 valves, 13.5 to 1 compression, big tube headers about covers it. Some rare cheater 327 inch 289's floated around also.

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Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link

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TomP
Gearhead

Posts: 6007
From: Delta BC Canada
Registered: Dec 99

posted 03-05-2001 12:58 AM     Click Here to See the Profile for TomP   Click Here to Email TomP     Edit/Delete Message   Reply w/Quote
Alex

don't those heads have 1.875 and 1.625" valves? And i think the exhaust ports were ported round like the Crane heads.

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Moneymaker
Administrator

Posts: 26813
From: Lyons, IL, USA
Registered: May 99

posted 03-05-2001 11:55 AM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Tom, the Daytona package engines had 1.94 and 1.50 valves. It was legal under international FIA rules. The SCCA Cobra's had the smaller FoMoCo GT-40 valves. Also, you are correct, the exhaust ports were round just like the Crane heads on the FIA cars. Again, the SCCA 289's were limited to match porting.

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Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link

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georgeb
Gearhead

Posts: 927
From: Solomons, MD, USA
Registered: Jun 99

posted 03-06-2001 12:25 PM     Click Here to See the Profile for georgeb   Click Here to Email georgeb     Edit/Delete Message   Reply w/Quote
Four Weber 48 IDA's with 40mm venturis, and the cam was a solid lifter referred to as the "Le Mans" cam. Stock compression (pre '65 hipo) was 11 to 1, but the Daytona coupes probably ran a higher compression ratio.

I have an original Shelby brochure listing these complete engines for sale at about $600.

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Moneymaker
Administrator

Posts: 26813
From: Lyons, IL, USA
Registered: May 99

posted 03-06-2001 02:43 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
LeMans cam was a C7FE-6250-A which predates the Daytona Coupes a bit. Shelby had Isky or Engle supply most of their cam grinds. The Daytona Coupes, as all FIA competition cars used roller camshafts. Shelby liked to fib a bit in his sales literature as to what the over the counter parts were compared to the REAL competition parts. He didn't want to get beat by his customers.

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Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link

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Moneymaker
Administrator

Posts: 26813
From: Lyons, IL, USA
Registered: May 99

posted 03-06-2001 10:56 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
That's about 100 HP WEAK actually.

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Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link

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Thud
Gearhead

Posts: 1333
From: Cumming,Ga.,USofA
Registered: Jun 99

posted 03-07-2001 07:01 AM     Click Here to See the Profile for Thud     Edit/Delete Message   Reply w/Quote
Ol' Shel wouldn't fib now would he?

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"It only takes money"

Dwayne

M&M Member #18
'94 Lightning #942 of 4007
'70 Mach1
'69 Cyclone Spoiler II
'65 Galaxie 500 + parts car

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Moneymaker
Administrator

Posts: 26813
From: Lyons, IL, USA
Registered: May 99

posted 03-07-2001 08:27 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote

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Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link

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