PRC 215's , Tsunami ,RPM-Ported FAST 90/90-base results...
#1
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First off I would like to thank the guys at TSP for giving us the opportunity to be the first to test their new PRC 215 cylinder heads. I got the heads in about two weaks ago and finished up the install last week. We were curious to see what they would do with the current mods that I already had. So the #'s I am posting are with Pacesetter 1 3/4" LT's with Pacesetter Y-pipe. I have switched to TSP 1 7/8" with a TSP y-pipe. Due to the weather here I have not been able to get the car back for new #'s with these headers. Just to note also I was waiting on the new headers to install 42# injectors so all this was done on the stock fuel sytem. Needless to say we were very happy with the results and are shooting for better #'s with the new headers, injectors and a cutout. So here is a run down of the installed parts for this graph ...
1998 WS6 M6 (my daily driver )
Stock LS1 80K
Stock Gears
18" Wheels
PRC 215's (60cc)
PRC .660" springs
TSP Tsunami Cam 111 lsa
TSP 7.500 .080 wall 5/16" pushrods
Cometic head gaskets
ARP Bolts (head)
LS7 lifters
RPM ported FAST 90/90
MSD wires-NGK TR 55's
Pacesetter 1 3/4" LT's
Magnaflow Catback(no cutout)
Pacesetter y pipe
Stock Rockers, WP, Rearend
RPM SD Tune
Injectors way past 100%!!!!
note this did not require fly cutting
This package was designed to the be the ultimate no valve-relief heads cam combo available, & it truely didn't disappoint! A cutout & injector upgrade & $400 1 7/8" should be all it takes to be right at 500rwhp!!
1998 WS6 M6 (my daily driver )
Stock LS1 80K
Stock Gears
18" Wheels
PRC 215's (60cc)
PRC .660" springs
TSP Tsunami Cam 111 lsa
TSP 7.500 .080 wall 5/16" pushrods
Cometic head gaskets
ARP Bolts (head)
LS7 lifters
RPM ported FAST 90/90
MSD wires-NGK TR 55's
Pacesetter 1 3/4" LT's
Magnaflow Catback(no cutout)
Pacesetter y pipe
Stock Rockers, WP, Rearend
RPM SD Tune
Injectors way past 100%!!!!
note this did not require fly cutting
This package was designed to the be the ultimate no valve-relief heads cam combo available, & it truely didn't disappoint! A cutout & injector upgrade & $400 1 7/8" should be all it takes to be right at 500rwhp!!
![](http://i171.photobucket.com/albums/u306/rpm1_photos/jkRPM.jpg)
#2
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Looks nice, Jason! She should be up close to 495-500rwhp once the new headers are on and you have enough injector in there!
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Largest Stocking Distributor of LS-x Engines / CHECK OUT OUR NEW WEBSITE!
COMP - FAST - PACESETTER - DIAMOND RACING - EAGLE SPECIALTY PRODUCTS - CALLIES - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - KOOK'S HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - AND MORE!
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Nice looking curves. So how big is the Tsunami cam? I'm wondering how generous the P to V is in this combo. Fantastic results. ![Happy](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_stretch.gif)
edit: I see the specs on the TSP website: 235/240, .654"/.609" 111LSA
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edit: I see the specs on the TSP website: 235/240, .654"/.609" 111LSA
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2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2022 Cadillac Escalade 6.2L A10 S&B CAI, Corsa catback.
2023 Corvette 3LT Z51 soon to be modified.
Custom LSX tuning in person or via email press here.
![](https://ls1tech.com/forums/signaturepics/sigpic210_1.gif)
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2022 Cadillac Escalade 6.2L A10 S&B CAI, Corsa catback.
2023 Corvette 3LT Z51 soon to be modified.
Custom LSX tuning in person or via email press here.