TFS Heads, FAST and ECS Cam Install Pics
12-11-2006, 08:03 PM
#21
You're going to need a larger hole in the NW throttle body blade. They come way too small from NW...smaller than even the factory hole.
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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.
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.
12-11-2006, 08:08 PM
#22
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Originally Posted by Patrick G
You're going to need a larger hole in the NW throttle body blade. They come way too small from NW...smaller than even the factory hole.
12-11-2006, 08:53 PM
#24
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Originally Posted by Patrick G
You're going to need a larger hole in the NW throttle body blade. They come way too small from NW...smaller than even the factory hole.
12-11-2006, 08:56 PM
#25
Originally Posted by jeffstar
with tune'n i'm not sure how it would be that big of a factor
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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.
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.
12-11-2006, 10:41 PM
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Originally Posted by Patrick G
You're going to need a larger hole in the NW throttle body blade. They come way too small from NW...smaller than even the factory hole.
Sounds crazy but I kept going bigger until it idled. On the stocker I mean. I ended up with a 3/16" hole I think.
The hole is just not big enough to let a decent size cam idle through that little hole. With out cracking the blade a little and reseting the TPS.
12-11-2006, 11:21 PM
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A sponser here Synergy motorsports (dyno-tuner, mine obvoiusly) said drilling the throttle body blade is bad news, but what do I know, mine's not drilled
12-11-2006, 11:45 PM
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Originally Posted by Patrick G
It can be a significant factor if your tps won't reset to 0% after you've cracked the throttle blade. When running a big cam, it's important to have your IAC counts in the 30-50 range at idle with the AC off. With the stock hole in the NW TB blade, your IAC counts will probably be over 100. To get them down below 50, you'll either need to crack the throttle blade and set your TPS back to 0% (which works sometimes, sometimes not), or drill out the TB blade to a larger diameter. This is a critical element of driveability tuning.
12-12-2006, 12:05 AM
#30
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Deck 2 Ready
Bolt holes done! I tried my idea of wet/dry vac and long straws. Worked perfect I followed up with paper towels just to make certain the bolt hole was clean and they are bone dry and with out partials. Most of the thread gunk was sucked out by the wet/dry vac but I did chase them before the final vacuum pass.
12-12-2006, 12:20 AM
#31
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Jeff I'll try to take pictures and measure the hole.
And yes one could screw up the hole by going to big. And I think it would idle about 2K. LOL. There's always a fix. Fill it and re drill it.
Jeff are those FLP headers? I had a set like that. Don't know if it helps, but if you feel inside the primary openings you can feel a little bit of weld were they weld the flang on. I took and ported then out just enough to flatten the welds down.
I noticed when I got my QTPs they were already done by them.
Not saying you should do this, just throwing it out there. It might not be worth the time. It took me 3hrs and they would need to come out.
And yes one could screw up the hole by going to big. And I think it would idle about 2K. LOL. There's always a fix. Fill it and re drill it.
Jeff are those FLP headers? I had a set like that. Don't know if it helps, but if you feel inside the primary openings you can feel a little bit of weld were they weld the flang on. I took and ported then out just enough to flatten the welds down.
I noticed when I got my QTPs they were already done by them.
Not saying you should do this, just throwing it out there. It might not be worth the time. It took me 3hrs and they would need to come out.
12-12-2006, 12:51 AM
#32
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Those are hookers and I did the finger check as well 
They were rather smooth!
Let me know on the size you drilled. I'm not too worried, 3/16 is the same size as stock. If it didn't help anything it certainly won't hurt anything either.
They were rather smooth! Let me know on the size you drilled. I'm not too worried, 3/16 is the same size as stock. If it didn't help anything it certainly won't hurt anything either.
12-12-2006, 09:48 PM
#33
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The latest progress tonight! both heads are on and I'm waiting for a seal. You can see my superior OCD in action as I used alcohol rubbing compound to clean everything possible off the deck and heads The Long Block just looks awesome with those Trick Flow bad daddys on there
The Long Block just looks awesome with those Trick Flow bad daddys on there 
12-12-2006, 10:15 PM
#35
Very nice man! Your car looks like a pleasure to work on...all nice and clean like they should all be. Your garage and everything looks like a great place to wrench with everything neat and organized. What size cam are you going with incase I missed that somewhere?
