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Author Topic:   Heat cross-over Yes/No
jeffstar
Journeyman

Posts: 93
From: Toronto, Ontario, Canada
Registered: Feb 2003

posted 04-03-2004 02:22 PM     Click Here to See the Profile for jeffstar   Click Here to Email jeffstar     Edit/Delete Message   Reply w/Quote
For a summer only mostly street driven car should I block the crossover or use it.

The engine is ~450HP 393 with a stealth intake.

How much power do you loose running a hot manifold. Has anyone ever done a back to back test?

Thanks,

Jeff

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Fastymz
Moderator

Posts: 18703
From: Reno Nv USA MEM#1240
Registered: Apr 2001

posted 04-03-2004 02:25 PM     Click Here to See the Profile for Fastymz   Click Here to Email Fastymz     Edit/Delete Message   Reply w/Quote
I haven't done any tests but I'd block them, cooler gas means more power.

------------------
SCOOP

oddly obsessed with big scoops on little Mustangs

65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc.

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Hans olsson
Gearhead

Posts: 622
From: Sweden
Registered: Apr 2000

posted 04-03-2004 02:32 PM     Click Here to See the Profile for Hans olsson   Click Here to Email Hans olsson     Edit/Delete Message   Reply w/Quote
I have read that you lose 1 percent per 11 Deg F in increase.
Soo...you should block the crossover for more power.


Hans

------------------

  • 71 Mach 1 Ram-Air
  • 351C 4V 285 HP
  • F-G/Stock Aut
  • Stockers are way cool!

[This message has been edited by Hans olsson (edited 04-03-2004).]

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Hans olsson
Gearhead

Posts: 622
From: Sweden
Registered: Apr 2000

posted 04-03-2004 02:38 PM     Click Here to See the Profile for Hans olsson   Click Here to Email Hans olsson     Edit/Delete Message   Reply w/Quote
I pushed the wrong button.

[This message has been edited by Hans olsson (edited 04-03-2004).]

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