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Best base and runners

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Old Aug 23, 2002 | 09:29 PM
  #1  
4L60bliss's Avatar
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From: Savannah, GA
Best base and runners

Just like the title says. Pretending that money is no object, what is the hands down, absolute best set of LTR runners and base?
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Old Aug 23, 2002 | 10:30 PM
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L98IROCZ89's Avatar
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From: Central, NJ
Car: 1989 IROC-Z
Engine: 350 Vortech Supercharged ZZ4 TPI
Transmission: T56
Axle/Gears: 3.73
I'm not 100% sure of this, but there has been an ongoing discussion about this in my post about the plenum being a bottleneck or not.

What I understand to be true (which could be very untrue ) is that the Edelbrock base is "good." Then the TPIS base is the Edlebrock base ported out by them for approx $100 more. Then you have the Accel Superram Base which is supposed to be a completely different cast but better than both and potential to blow the other two out of the water if it is ported out.

Now to tell you what I bought... I bought the Accel Superram base due to the research I have done which I just outlined above. I bought SLP runners in the interest of cheap price, and because they tend to produce quality pieces. I have found that people tend to think the SLP runners are very good, but do leave room for improvement if you have porting capabilties.
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Old Aug 23, 2002 | 10:53 PM
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From: Tampa,FL
Car: 89 Irocz
Engine: L98
Transmission: 700r4
Axle/Gears: 342
Holley Stealth Ram http://community.webshots.com/photo/...41861647kByQcT it's was like $450 it has a mad powerband.
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Old Aug 23, 2002 | 11:33 PM
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Talk to John Millican about an LT1 intake. Very good flow, looks nice, and fits under your hood without any concern over clearance.
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Old Aug 24, 2002 | 06:42 AM
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I know all about Millican and his LT1 intake. He lives across town from me The goal is to get my car as fast as a LTR setup will go. I'm running 13.5 on STOCK runners and a ported base. I have seen a guy run 12.7 on aftermarket runners and base, no power adder. Just want some opinions on who's LTR parts are better.
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Old Aug 24, 2002 | 09:35 AM
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From: Readsboro, VT
Car: 85 IROC-Z / 88 GTA
Engine: 403 LSx (Pending) / 355 Tuned Port
Transmission: T56 Magnum (Pending) / T5
Axle/Gears: 3.42 / ?
I researched all of the different TPI setups too, and I settled on the accel base with SLP runners for the same reasons as L98IROCZ89. When I did my research, I found that most people here said that all the bases are the same, but on corvetteforum.com it was a totally different story. After finding the accel base at cruzinperformance.com for only a few bucks more than the edelbrock base from anywhere else, I decided that there was no reason not to get the accel.
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Old Aug 24, 2002 | 09:37 AM
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Hg's Avatar
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From: Midwest City, Oklahoma
Car: '87 Z
Engine: 355 in the works
Transmission: 700R4
I've seen most of the poeple saying edelbrock base and SLP runners, ported....
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Old Aug 24, 2002 | 12:07 PM
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ALL YOUR BASE ARE BELONG TO US.
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Old Aug 24, 2002 | 12:28 PM
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From: Midwest City, Oklahoma
Car: '87 Z
Engine: 355 in the works
Transmission: 700R4
Originally posted by 92superram
ALL YOUR BASE ARE BELONG TO US.
LOL!
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Old Aug 24, 2002 | 06:16 PM
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From: SE Michigan
Car: Bright Red 91 GTA
Engine: CARBED LT4
Transmission: MK6
i also agree about the accel base...whne u got someone like lingenfelter workin on something u know its gonna be good...the only problem if there is one is the cost....the accel base goes n e were from 350-400 bucks then u got another 350 for the slp runners...if u want to stick LTR then is definetly the way to go...but if u want the most bang for your buck then the lt1 intake will deliver...its 400 bucks and will flow the same if not more then the accel/slp combo....
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Old Aug 24, 2002 | 09:15 PM
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From: Hurricane, WV
Car: 01 Z28 and 89 Iroc
Engine: ls1 fti 3600,S60 w/3:73 gears
Transmission: A4
Axle/Gears: 3:23
then u got another 350 for the slp runners
Typo possibly?
Last time I checked they were around $ 260 new.
I got mine used for $150
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Old Aug 24, 2002 | 10:43 PM
  #12  
L98IROCZ89's Avatar
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From: Central, NJ
Car: 1989 IROC-Z
Engine: 350 Vortech Supercharged ZZ4 TPI
Transmission: T56
Axle/Gears: 3.73
Yes... I bought my Accel Superram base off of EBAY from Cruizin Performance for $405 shipped. The SLP runners were $259.95 shipped to my house. TPIS and Superram Runners are more like $400. Thats why I went with SLP runners after dropping 405 into one of the better manifolds.
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Old Aug 26, 2002 | 04:32 PM
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From: SE Michigan
Car: Bright Red 91 GTA
Engine: CARBED LT4
Transmission: MK6
when i looke din year one they were $349.99 part # f928 1989-92 runners for 305, 350 TPI
and the replacem,ent gasket set was $34.95 part # f79
the 85-88 are the same price...i have the catalog in front of me
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Old Aug 26, 2002 | 11:34 PM
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From: Hurricane, WV
Car: 01 Z28 and 89 Iroc
Engine: ls1 fti 3600,S60 w/3:73 gears
Transmission: A4
Axle/Gears: 3:23
I believe that man. Year One seems to overcharge everything. Their prices are crazy.
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