Tech / General Engine Is your car making a strange sound or won't start? Thinking of adding power with a new combination? Need other technical information or engine specific advice? Don't see another board for your problem? Post it here!
Sponsored by:
Sponsored by: CARiD

ROCK/me/HARD PLACE

Thread Tools
 
Search this Thread
 
Old May 23, 2005 | 06:33 PM
  #1  
355gta's Avatar
Thread Starter
Member
 
Joined: May 2005
Posts: 378
Likes: 0
From: columbus, in.
Car: 1989 pontiac firebird trans am gta
Engine: 355
Transmission: 700r4
Axle/Gears: 327:1 9 bolt
ROCK/me/HARD PLACE

I am stuck. I am trying to decide if i want to keep the FI or go carburated. The only way i will consider going carburated is if the victor jr. or rpm air gap will fit under the stock hood with air cleaner. My only reason for considering this is because it will see the track, i am not rich, it is a mass air car(tpi), dont need a programmed prom. Whats holding me back is i love thi tpi. I love the mini ram. i love fuel injection. can you see my problem. any advice would be greatly appreciated.
Reply
Old May 23, 2005 | 06:46 PM
  #2  
RB83L69's Avatar
Supreme Member
 
Joined: Jul 1999
Posts: 18,457
Likes: 16
From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
There is NO WAY an Air Gap, let alone a Vic Jr, will fit under your stock hood. A Performer not RPM is about all you can jam under there.

The MiniRam will slap right in.

Lose the MAF, and get a MiniRam and some cubic inches.
Reply
Old May 23, 2005 | 06:50 PM
  #3  
83_Camaro_83's Avatar
Supreme Member
 
Joined: Aug 2003
Posts: 1,352
Likes: 0
From: Calgary
Car: 1987 Z28
Engine: Tree Fiddy (modded)
Transmission: 700R4
carbbed = POWER (imagine some pro buff wrestler saying that)

carbbed will be 10 times easier cause there wont be such a mess of wires, and theres SOO much more you can so with it. Your engine bay will look a hell of alot cleaner. Then you can ditch the computer and all that. When I do mine its gonna be carbbed. Gotta keep the classic muscle car open element look.

Cant really persuade you, its what you like. You could sell that tpi thingy for alotta $$green$$
Reply
Old May 23, 2005 | 07:06 PM
  #4  
ManoftheHour's Avatar
Banned
 
Joined: May 2005
Posts: 27
Likes: 0
yeah man, if your harness isn't too bad you could end up selling the TPI and computer for atleast $500 used. People love the TPI's for off roading cause they love low end. and dont need top end.

Last edited by ManoftheHour; May 23, 2005 at 07:09 PM.
Reply
Old May 27, 2005 | 07:32 PM
  #5  
SLEEPER 86's Avatar
Senior Member
 
Joined: Jun 2003
Posts: 627
Likes: 0
From: Carson City Nevada
Car: 86 coupe
Engine: 383
Transmission: 700r4
Axle/Gears: 9 bolt 3.27 posi
not too much problem fitting my rpm or rpm air gap under a stock hooded 86 camaro.just use a carriage type bolt instead of the factory carb stud and nut,add a drop base air cleaner and a 2 3/8"to 2 1/2"element and you're there!
just don't break a motor mount!lol!
Eric B
Reply
Old May 27, 2005 | 07:39 PM
  #6  
Apeiron's Avatar
Moderator
 
Joined: Jan 2000
Posts: 20,981
Likes: 11
From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Originally posted by SLEEPER 86
add a drop base air cleaner and a 2 3/8"to 2 1/2"element and you're there!
Hor much clearance do you have between the air horn and the air cleaner lid with that configuration?
Reply
Old May 27, 2005 | 08:44 PM
  #7  
88Camaro350's Avatar
Supreme Member
 
Joined: Apr 2003
Posts: 1,781
Likes: 0
From: B'ville, WV
Car: 2002 Formula Firebird
Engine: LS1
Transmission: 4l60e
Axle/Gears: 3.23
I had a holley street dominator intake with a 670cfm street avenger carb under a stock hood. With a 3'' dropbase air cleaner.

The dominator is pretty tall. Idle-7200rpm intake. It is about the same as an RPM size wise. It fit.
Reply
Old May 27, 2005 | 08:46 PM
  #8  
Apeiron's Avatar
Moderator
 
Joined: Jan 2000
Posts: 20,981
Likes: 11
From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Yes, but you all have Camaros. He has a GTA.
Reply
Old May 28, 2005 | 09:09 AM
  #9  
Vader's Avatar
Moderator
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Jan 2000
Posts: 19,653
Likes: 309
Not to add more confusion, but while you may not "need" a custom PROM, you can certainly gain from one. A short running intake like an LT1 or MR feeds bigger cube engines well, and retains the EFI.

We all know that carbs are so much better, and that the EFI 427 that puts 500+ HP to the rear wheels and still makes torque at 7,000 RPM on newer LS7 engines is just a figment. A carbed 427 is obviously better at 390HP.

My point is, be careful about blanket statements, since there are exceptions to every rule. You can retain the EFI and make appreciable power.
Reply
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Linson
Auto Detailing and Appearance
28
Oct 24, 2025 02:00 PM
ZEEYAA
Engine/Drivetrain/Suspension Wanted
4
Apr 16, 2023 08:29 PM
Pac J
Tech / General Engine
3
May 17, 2020 10:44 AM
RS Reaper
Electronics
4
Oct 17, 2018 07:52 PM
Galaxie500XL
Suspension and Chassis
2
Oct 1, 2015 01:05 PM




All times are GMT -5. The time now is 12:46 PM.