GT40 Cobra intake -

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GT40 Cobra intake

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Old 02-06-2014, 08:37 PM   #1
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Location: tx
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Default GT40 Cobra intake

OK, Is there a difference between cobra and gt40 (explorer) intake?
Can I benefit from just the lower intake upgrade w/ out upper plenum upgrade
and w/ or w/out gt40 head upgrade?
any benefit to upgrading throttle body w/out upgrading injectors?

just trying out where to put my money (very little) bestbang for my buck
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Old 02-07-2014, 07:37 AM   #2
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Vehicle: 1993 mustang gt
Location: Pennsylvania
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It's basically the same intake except the Explorer has a bolt on EGR spacer vs the Cobras one piece intake snout.

Do the upgrade all at once to feel any kind of change in HP and get the gt 40 heads accufab 70 mm TB,75 MAF,1.7 Crane Rockers,255 Walbro fuel pump and shortie headers. Keep the 19 lb injectors on car just get them rebuilt here it's cheaper than buying new ones ! 19's is all you need for that set up and will work just fine....

[308,GT40 Heads,Cobra upper/lower Intakes,Accufab 70mm TB,1.7 Crane Rockers,255 Walbro,75mm 19lbs MAF,BBK Shorty Headers,High Flow Cats,Flowmaster 40's,3.55 Gears,Aluminum D/S,Tokico shocks/struts,MM Subframe Connectors.]
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Old 02-07-2014, 06:18 PM   #3
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Vehicle: 89 Mustang
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Posts: 325

You have to do the upper and lower intake together, and just the intake will make a noticeable difference. You don't need to do injectors at this point. Heads will make the largest difference, along with rear axle gears. MA will make more difference than the TB. Ditto for headers or exhaust.
89 Coupe, 369 big bore, AFR, custom Comp cam, Kooks, 3" exhaust, 11.6 @ 121 mph
04 Cobra, JLT 12" CAI, Magnaflow, Borla, Stifflers, FTBR Rr Susp, MM Frt Susp, 12.4 @ 115 mph
67 Cougar, XR7 GT, 462 FE, 4 spd, Edelbrock heads, PI intake, Global West
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