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Thanks KEvin, I have the TPIS book as well as John
L's SBC book... What I'm after is numbers for the ENTIRE SYSTEM, ASSEMBLED. I
dont imagine anyone but the manyfacturers have gone to this extent, and it may
be guarded info??
Thanks again!
----- Original Message -----
Sent: Sunday, September 03, 2000 2:37
PM
Subject: TPI flow numbers (was Re: ALDL
data)
At 11:13 PM 9/2/00 -0700, Dave Zug wrote:
P.S. .. anyone
out there have flow numbers on a complete stock TPI intake system, and Accel
/ Ligenfelter units?
;-)
---------------------------
Hey, finally a question
to which I have the answer!! I compiled the data below from two sources (GM
High Tech Performance magazine and TPIS Insider Hints reference).
From
GM High Tech Performance July 2000 issue:
Runners:
Stock: 203.17
cfm
Accel: 242.02 cfm
Extrude/Accel: 275.83 cfm
Super Ram: 289.18
cfm
Stock Intake w/ the Following Runners:
Stock: 198.72
cfm
Accel: 213.52 cfm
Extrude/Accel: 217.11 cfm
Super Ram: 220.67
cfm
Accel Intake w/ the Following Runners:
Stock: 215.83
cfm
Accel: 232.53 cfm
Extrude/Accel: 243.21 cfm
Super Ram: 240.24
cfm
Stock Intake w/ 3/8" Radiused Inlet: 222.45 cfm
Accel Intake
w/ 3/8" Radiused Inlet: 251.51 cfm
Extrude Honed Accel Intake w/ " ":
275.83 cfm
Extrude Honed Accel Intake w/ Accel Runners: 266.94
cfm
---------------------------
From TPIS Insider
Hints:
(note: TPIS' flow data on same components varies by
approximately -15cfm versus GMHTP data)
Stock throttle body: 668
cfm
" with TPIS airfoil: 709 cfm
Stock MAF: 529 cfm
Screens out:
711 cfm
Fins removed: 750 cfm
Stock intake base w/ stock runners:
181 cfm (vs. 198.72 cfm in GMHTP)
Stock intake base w/ cast large
runners: 193 cfm (vs. 213.52 cfm " ")
Stock intake, stock runners,
ported plenum (presumably stock 48mm TB: 183 cfm
Stock intake, stock
runners, ported plenum, TPIS airfoil: 187 cfm
Ported intake, stock
runners, ported plenum, TPIS airfoil: 193 cfm
Ported intake, siamesed
runners, ported plenum, TPIS airfoil: 203
cfm
HTH,
-Kevin
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