What heads do you recommend?
What heads do you recommend? Here are my mods.
Fast 92/92 with Whisper lid, and soon to be SLP MAF.
TSP torquer V2 cam package 232/234 112 LSA with PRC dual springs and chromoly pushrods
Full exhaust, 1 7/8 stepped longtubes, TSP ORY, electric cutout with magnaflow catback.
Based on those performance mods, what would be a good head setup? I plan to stay n/a for now, but may do a turbo setup in the future. The car will see some track and autocross time eventually but not anytime in the near future. It also isn't my daily driver FWIW. Let's hear some opinions.
Fast 92/92 with Whisper lid, and soon to be SLP MAF.
TSP torquer V2 cam package 232/234 112 LSA with PRC dual springs and chromoly pushrods
Full exhaust, 1 7/8 stepped longtubes, TSP ORY, electric cutout with magnaflow catback.
Based on those performance mods, what would be a good head setup? I plan to stay n/a for now, but may do a turbo setup in the future. The car will see some track and autocross time eventually but not anytime in the near future. It also isn't my daily driver FWIW. Let's hear some opinions.
TECH Fanatic
Joined: Nov 2001
Posts: 1,100
Likes: 2
From: IL
I just bought some 799's today and they will be going to AI for their best CNC within the next couple months. I have no personal experience with the Patriots, but i've seen them mentioned as a lower rung head. I say if your going to spend the money, do it right. I'm not saying AFR's, but don't just buy the cheapest you can find. Just my .02
I think most will recommend cast 220's or 2.5 ls6 head in that price range. Really depends on what will work best with that cam. I'd put a call in to TSP and vengenance and talk to them.
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Teching In
Joined: Oct 2005
Posts: 19
Likes: 0
From: Austin tx and Daytona FL.
i have heard only good things about the 317s,, more plus than minus?
the breathing more than compensates for compression loss, and you can run regular gas.
if i was going for N/A ,i would want around 11-12 to 1, and EXpensive fuel.
course i like boost, easy way to make power.
the breathing more than compensates for compression loss, and you can run regular gas.
if i was going for N/A ,i would want around 11-12 to 1, and EXpensive fuel.
course i like boost, easy way to make power.
TECH Senior Member
Joined: Feb 2009
Posts: 5,445
Likes: 4
most stage 3 ls1 heads have big intake valves which are too close to the cylinder wall which will hurt flow and power.I feel a torquer 2 cam with any ls1 style head will not make 450+ rwhp.whats your budget for heads ?look at TSP heads,or consider some trick flow or AFR heads.you will benefit greatly with a custom cam if you upgrade heads.a custom cam only cost $25 more,contact Pat-G after you have read some of his informative threads.
Joined: Aug 2007
Posts: 24,241
Likes: 89
From: Turnin' Wrenches Infractions: 005
Compression requirements are completely different for NA and boosted applications. I'd decide what you're long term plans are and go from there. But, to me it sounds like you have budget constraints now, so I'd recommend a stock head with CNC work done. You can pick up some very nice gains for the money. Look at what AI has to offer for stock LS1 heads....
Compression requirements are completely different for NA and boosted applications. I'd decide what you're long term plans are and go from there. But, to me it sounds like you have budget constraints now, so I'd recommend a stock head with CNC work done. You can pick up some very nice gains for the money. Look at what AI has to offer for stock LS1 heads....
Thanks. I got a great deal on the heads from rickyzZ28 on this forum. Haven't recieved them yet... Does AI's price include shipping? The guy who shipped my heads said it cost him 104 dollars... 