Alternative Port EFI Intakes This board is for tech discussions and questions about aftermarket port EFI such as the HSR, MR, SR, BBK, FIRST, etc.

slp runners or HSR

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Old Oct 5, 2005 | 06:05 PM
  #1  
3rdgen92maro's Avatar
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From: Fairchild AFB, Wa/Oviedo FL
Car: 1995 Firebird Formula
Engine: LT1
Transmission: Th350/4k stall
Axle/Gears: 10 bolt with 3.42s
slp runners or HSR

i was just wondering if i should run the slp high flow runners or just breakdown and ditch the TPI and throw on a stealth ram, or some other intake manifold.
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Old Oct 5, 2005 | 07:09 PM
  #2  
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From: Cypress, California
Car: 1989 GTA
Engine: 369 TPI
Transmission: 4L60E
Axle/Gears: 3.70 Nine Bolt
Don't know the smog laws in your state. The HSR is not 50 state legal.
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Old Oct 6, 2005 | 04:14 PM
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depends if youre looking to keep more low end torque or move to more high RPM horsepower. I had them both and I'd take the HSR any day. The torque loss with the HSR is very overrated, still very easy to spin the tires from a stop.
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Old Oct 6, 2005 | 08:36 PM
  #4  
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Car: 1987 IROC-Z Camaro
Engine: 5.7 350 TPI - SLP Runners, AFPR, MSD Goodies
Transmission: 700R4 - Shift Kit, Corvette Servo
Axle/Gears: BW 9 bolt, 3.27s
What about Superram? Smog Leagal, TPI Style, Feasible of making LT1 type power.
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Old Oct 6, 2005 | 08:40 PM
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the super ram is a PITA to work on, even worse than regular TPI setups. the HSR is a breeze...


I'm not saying the HSR is the best, I just happen to like them and think its the most cost effective useful upgrade for TPI f-bodies, except for maybe a converted LT1 intake or a converted singleplane.
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Old Oct 6, 2005 | 08:52 PM
  #6  
87TPI350KID's Avatar
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Car: 1987 IROC-Z Camaro
Engine: 5.7 350 TPI - SLP Runners, AFPR, MSD Goodies
Transmission: 700R4 - Shift Kit, Corvette Servo
Axle/Gears: BW 9 bolt, 3.27s
Originally posted by rsn932
the super ram is a PITA to work on, even worse than regular TPI setups. the HSR is a breeze...


I'm not saying the HSR is the best, I just happen to like them and think its the most cost effective useful upgrade for TPI f-bodies, except for maybe a converted LT1 intake or a converted singleplane.
Whats hard about it?
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Old Oct 7, 2005 | 02:27 AM
  #7  
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From: Lombard Il
Car: 89 Formula
Engine: 383 vortec tpi
Transmission: t56 woot
Originally posted by 87TPI350KID
Whats hard about it?
From what I have read its a pita to work around the very low wide pleanum and the lids have a tendancy to warp causeing nasty vacume leaks
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Old Oct 7, 2005 | 04:43 AM
  #8  
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From: Connecticut
Car: 86 IROC w/Danko bodykit, 1988 iroc vert, 1989 k1500 pickup 6" lift and 35" tires, 2002 chevy tahoe z71
Engine: 383 stealth ram, 305 tpi, 350 tbi, 5.3l
Transmission: T56, 700r4, 700r4, 4l460
go with the HSR. you wont be sorry
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Old Oct 10, 2005 | 10:58 PM
  #9  
FSTFBDY's Avatar
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From: Boosted Land
Car: 92 Z28
Engine: Boosted LSX
if ya do a a SR and dont have to take it bakc off its only a PITA once. The Billit lids are just fine.

but you will spend more on a SR then a HSR thats for sure.

Looks I like the SR over the HSR

Ive had em all.

http://www.cecoatings.com/images/coa...s/TPISRHSR.jpg

not in the pic is a SLP setup,LT1 converted,and mini ram.
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Old Oct 11, 2005 | 02:54 PM
  #10  
3rdgen92maro's Avatar
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From: Fairchild AFB, Wa/Oviedo FL
Car: 1995 Firebird Formula
Engine: LT1
Transmission: Th350/4k stall
Axle/Gears: 10 bolt with 3.42s
but would i have to trim the stock hood supports to clear the HSR
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Old Oct 11, 2005 | 03:09 PM
  #11  
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Originally posted by 3rdgen92maro
but would i have to trim the stock hood supports to clear the HSR
possibly, but at the very worst it will be a small rectangle the size of your throttle body that must be cut from the bracing. not a big deal unless you are trying to make a show car. it depends how much your motor mounts have sagged.
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Old Oct 11, 2005 | 03:53 PM
  #12  
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From: Lower Salford, PA
Car: 1987 Camaro Z-28
Engine: 6.3L Victor EFI
Transmission: Tremec TKO 600
Axle/Gears: Moser 9"/4.11 Trac-Lok
I had both HSR & SR. The SR is a total pain to work on, but had great mid range punch & pushed the Z into the low 13's. Never had any vacuum leaks. Ask TPI383, he has my old SR. The HSR is a breeze to work on, has power from 2k to 6k & helped get me to the 11's. If you don't need EGR, the HSR rocks.
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Old Oct 12, 2005 | 12:52 PM
  #13  
3rdgen92maro's Avatar
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From: Fairchild AFB, Wa/Oviedo FL
Car: 1995 Firebird Formula
Engine: LT1
Transmission: Th350/4k stall
Axle/Gears: 10 bolt with 3.42s
thanks for the help. looks like i will be getting a HSR. does anyone know how much it will cost with the fuel rails and everything?
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Old Oct 15, 2005 | 06:40 PM
  #14  
ZZ4 86 Z28's Avatar
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From: Rockville, Maryland
Car: 1986 Z28 Camaro Gunmetal Gray with
Engine: GM Crate ZZZ HO 350, Edelbrock head
Transmission: Rebuilt 700r4 all TransGo and Beast
Axle/Gears: 10 bolt with 3.73 gears
you could get the new manifold/feul rails with afpr for around 600 if im not mistaken. i have someone here that has one new in box but isnt going to use it. hes giving it to me for like 450 with the rails and afpr i cant wait.
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