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Blue Thunder Cylinder Heads
Big Block 429-460 Ford Race Heads

Flatlander Racing offers custom prepped cylinder heads. Typical applications include valve size 2.250" intake - 1.880" exhaust. Spring Lift to .570 w/flat tappet cam (roller spring option up to .730" available at extra cost). Flatlander Racing's custom prepped heads are offered in 3 basic stages and comp.

The "Blue Thunder" Cylinder Head (as cast), will out flow (at full valve lift), "any" cylinder head produced for the Ford 429 CJ that uses stock intake port location and manifolds when prepared under similar conditions.
 

Average Flow Figures 
Stage 3 at 700 lift with 2.250 intake, 1.880 exhaust; 365 intake, 234 exhaust
(Ford Exhaust).
 
Stage 3 at 700 lift with 2.250 intake, 1.880 exhaust; 365 intake, 245 exhaust
(Chevy Exhaust).
 
Comp at 700 lift with 2.250 intake, 1.880 exhaust; 400 intake, 290 exhaust
(Ford Exhaust).
 
Comp at 700 lift with 2.250 intake, 1.880 exhaust; 400 intake, 258 exhaust
(Chevy Exhaust).
Blue Thunder Heads Available in Stage 1, 2, 3 and Comp:

Stage 1: Assembled with stainless steel valves, complete valve job, Manley chrome moly retainers and locks, Viton valve stem seals and Isky double valve springs for up to .570 lift cams (optional valve springs available for any lift cam).
 
Stage 2: Includes Stage 1 plus pocket porting, intake port match and port clean up and full exhaust porting.
 
Stage 3: Includes Stage 1 & 2 plus full intake porting, reshape chambers to unshroud valves and polish combustion chambers.
  
Comp: Includes all 3 stages above, plus additional porting.

Blue Thunder Ford 429-460 Big Block Heads
Blue Thunder Heads are the best standard configuration heads available for 429-460 Ford engines. They use all standard CJ equipment including intake manifold, guide plates, rockers, push rods and exhaust. Valves are the only exception. Blue Thunder heads require longer than stock valves. They are available in 3 combustion chamber sizes (74, 80cc). Optional BB Chevy exhaust port configuration is also available.
(Kits include valves, springs, retainers & locks.)
 
Application Bare Heads Stage 1* Stage 2* Stage 3* Comp
Ford Exhaust Ports $1475 $2299 $2599 $2849 $3999
Chevy Exhaust Ports $1599 $2599 $2649 $2999 $4299
* Notes: Roller spring upgrade to over .730 lift is additional $300.00 (includes Titanium Retainers)
Stage 1: Recommended for 460 - 500 cu. in.
Stage 2: Recommended for 500 - 530 cu. in.
Stage 3:Recommended for 530 - & up cu. in.
Cylinder Head Features:
  • Std. 429 CJ intake location that flows better than the stock Ford CJ Head
  • Std. 429 CJ valvetrain geometry, & components (Pushrod/Guide plates/ Rocker Arms & Studs)
  • Raised valve cover rail, .300" more room for under valve cover components
  • Easily blocked or opened heat riser
  • Aluminum heads have pressed-in head bolt seats
  • Aluminum heads have ½" thick deck, after machining
  • Heads feature additional cast in deck to upper head postings for greater deck integrity
  • Features std. bolt hole locations on ends of head for easy accessory mounting
  • Includes: .0015" undersize replaceable "bronze" guides which are a European developed material that is 92 Rockwell, on the "B" scale, and must be honed with a diamond hone.
  • Valve guides are designed to pass the 200 hr. Marine Industry Durability Tests
  • All guides and seats are thermally pressed using liquid nitrogen and preclude metal displacement during installation of guides and seats
  • Stainless steel 1-piece swirl polished Valves
  • Requires valve spring seats that are available for up to 1.90" O.D. valve springs
Essential Options for your Blue Thunder Head!
Blue Thunder Girdle
Part #: 2073
Price: $189
Stud Girdle w/ARP Studs Main Stud Girdle w/ARP Studs for Stroker Motors
Only fits 351w blocks. Will clear stroker crankshaft.
Part #: 1002-11330
Price: $329.00
Stud Girdle for Stock Stroke Main Stud Girdle for Non-Strokers
Machined from billet 1045 medium carbon steel 1/2" thick. Flat surfaces are finished using CNC machine center for accuracy and smoothness. Zinc anodized for rust resistance. Package includes 5140 high strength studs, nuts and washer to hold torque. No machining of Caps required.
Part #MG-460
Price: $129.00
no pic avail Gaskets for Blue Thunder Heads:
Felpro Gasket
Part #: 1231 (intake)
Price: $19/each

Head Gaskets
1028 $39/each
Copper Gaskets (.031-.105 Part #3333 $69.99+up)
 
 
 
 
 
 
 
 
 

Sales/Tech Line: (603) 378-0090
Email:
tech@FlatlanderRacing.com

Thank You for visiting Flatlander Racing
*All prices on this site are subject to change without notice. Flatlander Racing™ disclaims responsibility for any printing or typographical errors, and does not guarantee that all information is accurate.


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