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Thread: 1967 Pontiac 400 intake manifold choice, single or dual plane with Terminator?

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    Default 1967 Pontiac 400 intake manifold choice, single or dual plane with Terminator?

    '67 Pontiac Firebird 400, 4 speed, with a '68/'69 Ram Air functional air intake system. Unsure of cam, but suspecting Ram Air 3 or 4, pretty lumpy. Jet Stage 2 QuadraJet on the stock spread-bore dual-plane manifold, other than 3" dual exhaust stock with 670 heads. I'm working on getting ready to switch over to the Terminator, but would like to keep the functional Ram-Air intake air cleaner/scoops, etc., which limits my carb/EFI to the stock intake dual-plane manifold height. I found a single-plane no name manifold that's reasonably priced/stock height, but do not want to lose low end torque. Edelbrock Performer is stock height, but dual-plane which I understand the TBI does not play well with. Looking for someone user opinions & what you have found in driveability difference between manifolds with the Terminator. Thank you.

  2. #2
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    Quote Originally Posted by orcas tow View Post
    ...but dual-plane which I understand the TBI does not play well with.
    That's not true. My dual-plane intake manifold worked great with TBI, then MPFI. Use the appropriate intake manifold type & model for your engine application/combination.
    https://forums.holley.com/showthread...3746#post93746 (Related Forum Thread)
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385" SBF, Dart SHP 8.2 block, TFS TW 11R 205 heads, 11.8:1 comp, TFS R-Series intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 160A 3G alternator, Optima Red battery, A/C, 100HP progressive dry direct-port NOS, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/off-road X-pipe/shorty headers, S&W subframe connectors, LenTech Strip Terminator wide-ratio AOD/2800 RPM converter, M4602G aluminum driveshaft, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.

  3. #3

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    I just read through the thread, thanks Danny.

  4. #4
    Join Date
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    You're welcome.
    May God's grace bless you in the Lord Jesus Christ.
    '92 Ford Mustang GT: 385" SBF, Dart SHP 8.2 block, TFS TW 11R 205 heads, 11.8:1 comp, TFS R-Series intake, Dominator MPFI & DIS, 36-1 crank trigger/1x cam sync, 160A 3G alternator, Optima Red battery, A/C, 100HP progressive dry direct-port NOS, Spal dual 12" fans/3-core Frostbite aluminum radiator, Pypes dual 2.5" exhaust/off-road X-pipe/shorty headers, S&W subframe connectors, LenTech Strip Terminator wide-ratio AOD/2800 RPM converter, M4602G aluminum driveshaft, FRPP 3.31 gears, Cobra Trac-Lok differential, Moser 31 spline axles, '04 Cobra 4-disc brakes, '93 Cobra booster & M/C, 5-lug Bullitt wheels & 245/45R17 tires.

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