Aftermarket heads
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Joined: Aug 2021
Posts: 418
Likes: 66
From: Central Michigan
Engine: SBC Dart 400 Holley 750 Carb
Transmission: 700R4
Axle/Gears: 28 spline 323 gears
Aftermarket heads
91 Z28 350 TPI
If I put aftermarket heads, intake manifold & carburetor on...
1. I will need a different distributor right?
2. Will the radiator fan come on when I turn the a/c on?
3. Will the radiator fan come on when the coolant sensor by the thermostat calls for it?
4. Will the radiator fan come on when the coolant fan switch in the right head calls for it?
The reason I would get rid of the TPI is don't' know enough about it, I can't tune it. I can tune a carb.
If I put aftermarket heads, intake manifold & carburetor on...
1. I will need a different distributor right?
2. Will the radiator fan come on when I turn the a/c on?
3. Will the radiator fan come on when the coolant sensor by the thermostat calls for it?
4. Will the radiator fan come on when the coolant fan switch in the right head calls for it?
The reason I would get rid of the TPI is don't' know enough about it, I can't tune it. I can tune a carb.
Thread Starter
Member



Joined: Aug 2021
Posts: 418
Likes: 66
From: Central Michigan
Engine: SBC Dart 400 Holley 750 Carb
Transmission: 700R4
Axle/Gears: 28 spline 323 gears
Re: Aftermarket heads
No one knows? I really would appreciate someone letting me know. Thanks.
Supreme Member




Joined: Oct 2004
Posts: 4,526
Likes: 238
From: Henrietta NY
Car: 1984 Trans Am L69
Engine: Sniper EFI Powered 355
Transmission: WC T5 w/ Steel Support Plate
Axle/Gears: 3.42 10 Bolt Posi
Re: Aftermarket heads
1. Yes
2. if you dont mess up the sensors or computer
3. / 4. all depends on what your fan setup is
5. Will my car always run like *** and get worse MPG than an EFI setup? Yes
2. if you dont mess up the sensors or computer
3. / 4. all depends on what your fan setup is
5. Will my car always run like *** and get worse MPG than an EFI setup? Yes
91 Z28 350 TPI
If I put aftermarket heads, intake manifold & carburetor on...
1. I will need a different distributor right?
2. Will the radiator fan come on when I turn the a/c on?
3. Will the radiator fan come on when the coolant sensor by the thermostat calls for it?
4. Will the radiator fan come on when the coolant fan switch in the right head calls for it?
The reason I would get rid of the TPI is don't' know enough about it, I can't tune it. I can tune a carb.
If I put aftermarket heads, intake manifold & carburetor on...
1. I will need a different distributor right?
2. Will the radiator fan come on when I turn the a/c on?
3. Will the radiator fan come on when the coolant sensor by the thermostat calls for it?
4. Will the radiator fan come on when the coolant fan switch in the right head calls for it?
The reason I would get rid of the TPI is don't' know enough about it, I can't tune it. I can tune a carb.
Joined: Feb 2017
Posts: 4,174
Likes: 569
From: Meriden, CT 06451
Car: 84 TA orig. 305 LG4 "H" E4ME
Engine: 334 SBC - stroked 305 M4ME Q-Jet
Transmission: upgraded 700R4 3200 stall
Axle/Gears: 10bolt 4.10 Posi w Lakewood TA Bars
Re: Aftermarket heads
Why not look into the self-tuning fuel injection systems like Holley and FiTech?
How To Install A Big Block Chevy Engine Into A Third-Gen! - Third Generation F-Body Message Boards
How To Install A Big Block Chevy Engine Into A Third-Gen! - Third Generation F-Body Message Boards
Last edited by NoEmissions84TA; Aug 22, 2022 at 06:05 PM.
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