Street Racing & Kill Stories Basic Technical Questions & Advice

G8 4 deep beats roush stage 3 mustang.

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Old 06-20-2011, 07:04 AM
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Originally Posted by notoriousdoa
I made 337 on 87octane, mustang dyno and tune only... So i think for a stock car with a tune i'm doing alright.
Sounds like a Mustang Dyno that was tweaked to try and get it to read like a DJ, but the car runs good and that's all that matters.
Old 06-20-2011, 09:02 AM
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Originally Posted by ScreaminRedZ
Sounds like a Mustang Dyno that was tweaked to try and get it to read like a DJ, but the car runs good and that's all that matters.
That is really high for a mustang dyno and tune only. With that type of power that G8 shoudl run a low 13.0-13.2.

With 336whp on a dynojet drove my buddies G8 to a 13.2@107. He was codl air, tune by Pat G, and Cat back.
Old 06-20-2011, 09:38 AM
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The Shane approach to racing never fails. I wish you could have got that whole conversation about Hagen's car on video, that sounded hilarious. Gypsy honks FTW!

edit: did that guy really try grabbing the car in that 2nd race?
Old 06-20-2011, 09:47 AM
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Originally Posted by WSsick
The Shane approach to racing never fails. I wish you could have got that whole conversation about Hagen's car on video, that sounded hilarious. Gypsy honks FTW!

edit: did that guy really try grabbing the car in that 2nd race?
I think it should be required to get **** talking on camera when possible. It makes the murder that much more insulting.
Old 06-20-2011, 11:03 AM
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good kill OP!

Time for a cam upgrade IMO. Hell, even a very mild cam reusing the stock springs would wake that thing up something fierce. And maintain a stock idle, too, with better fuel mileage when combined with LT's.
Old 06-20-2011, 11:15 AM
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Originally Posted by Sticks n Stones
good kill OP!

Time for a cam upgrade IMO. Hell, even a very mild cam reusing the stock springs would wake that thing up something fierce. And maintain a stock idle, too, with better fuel mileage when combined with LT's.
He mise well upgrade the springs and delete the DOD along with replacing the weak lifters as well.
Old 06-20-2011, 11:35 AM
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Isn't the DOD delete a good bit of money? How to the DOD cams compare to the non-DOD cams power wise?
Old 06-20-2011, 11:40 AM
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Nice kill man! I love G8's. And that mustang owner deserved what he got.
Old 06-20-2011, 01:42 PM
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Originally Posted by ScreaminRedZ
Isn't the DOD delete a good bit of money? How to the DOD cams compare to the non-DOD cams power wise?
DOD delete with cam and everything will cost you about 1300-1500. But you will be able to run a bigger cam, make more power.

are you on GRRRR8.NET?
Old 06-20-2011, 01:59 PM
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Nice job showing tht douche whats up!
Old 06-20-2011, 02:19 PM
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Originally Posted by ohioborn80
DOD delete with cam and everything will cost you about 1300-1500. But you will be able to run a bigger cam, make more power.

are you on GRRRR8.NET?
I am, but I rarely go on there. I'm really torn by the cam decision. My common sense tells me to stay stock since I don't want to effect driveability at all. On the other hand, I'm thinking that a small cam might be nice.
Old 06-20-2011, 02:25 PM
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Originally Posted by ScreaminRedZ
I am, but I rarely go on there. I'm really torn by the cam decision. My common sense tells me to stay stock since I don't want to effect driveability at all. On the other hand, I'm thinking that a small cam might be nice.
They are the best G8 site. Anything and everything you want to know is there.
Old 06-20-2011, 02:44 PM
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Originally Posted by ScreaminRedZ
I am, but I rarely go on there. I'm really torn by the cam decision. My common sense tells me to stay stock since I don't want to effect driveability at all. On the other hand, I'm thinking that a small cam might be nice.
Forgot which shop it is, but there is a big name shop doing DOD cams that actually has them making good power. NOT LS3 power, but good non the less.

From the dyno graphs I've seen on GMHTP and Hot Rod when they put LS3 up against DOD equipped (?L76?) engines the DOD setups did have a tad more bottom end and midrange, but it actually wasn't nearly as much as I would have thought.
Old 06-20-2011, 02:45 PM
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Originally Posted by Sticks n Stones
good kill OP!

Time for a cam upgrade IMO. Hell, even a very mild cam reusing the stock springs would wake that thing up something fierce. And maintain a stock idle, too, with better fuel mileage when combined with LT's.
Originally Posted by ohioborn80
He mise well upgrade the springs and delete the DOD along with replacing the weak lifters as well.

Inb4Ihavea5.3inmygaragewaitingforacartoputitinwith a76mmturbo.
Old 06-20-2011, 02:59 PM
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Originally Posted by Sticks n Stones
Forgot which shop it is, but there is a big name shop doing DOD cams that actually has them making good power. NOT LS3 power, but good non the less.

From the dyno graphs I've seen on GMHTP and Hot Rod when they put LS3 up against DOD equipped (?L76?) engines the DOD setups did have a tad more bottom end and midrange, but it actually wasn't nearly as much as I would have thought.
I find hard to believe the L76 had better anything as it is the 6.0 to the 6.2 ls3. Also the LS3 has better heads then the L76.

Link to comparisons?
Old 06-20-2011, 04:02 PM
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i got another project going. this is my DD
Old 06-20-2011, 04:07 PM
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Originally Posted by ohioborn80
I find hard to believe the L76 had better anything as it is the 6.0 to the 6.2 ls3. Also the LS3 has better heads then the L76.

Link to comparisons?
lookem up, there is dozens. The L76 has the L92 heads which are exactly the same head as the LS3 except the LS3 has hollow stem intake valves.

The issue with DOD cams is both lift and duration: the lifters are controlled by oil pressure and higher pressure valve springs cause issues, along with the higher lift compressing the spring further creating more pressure.

Mast Motorsports is the guys who make the cams and conversions, who are also the guys in all the mags. Go to there sight and find the links.
Old 06-20-2011, 04:14 PM
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Originally Posted by Sticks n Stones
lookem up, there is dozens. The L76 has the L92 heads which are exactly the same head as the LS3 except the LS3 has hollow stem intake valves.

The issue with DOD cams is both lift and duration: the lifters are controlled by oil pressure and higher pressure valve springs cause issues, along with the higher lift compressing the spring further creating more pressure.

Mast Motorsports is the guys who make the cams and conversions, who are also the guys in all the mags. Go to there sight and find the links.
If i remember right the L76 heads had different ports on the heads as well.

Also Mast isn't the only ones who make the cams and conversions.

Livernois/Comp/Texas Speed/Vector Motorsports/ etc etc.

Best way is order all stuff to swap DOD out threw GM. Its cheaper. PacePerformance can get great deals on stuff direct from GM.
You really want to get rid of the L76 lifters as they are a weak point. Plus as mention getting rid of DOD will allow you to run a bigger cam. Some guys have made 500whp from the L76 N/A. Highest seen with DOD is about 420whp.
Old 06-20-2011, 04:54 PM
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Originally Posted by notoriousdoa
i got another project going. this is my DD
Originally Posted by WSsick
Inb4Ihavea5.3inmygaragewaitingforacartoputitinwith a76mmturbo.
I was close enough.


Originally Posted by ohioborn80
If i remember right the L76 heads had different ports on the heads as well.
Wrong. LS3/L92/L76 all share the same port. The only difference would be casting numbers, and the LS3s had hollow intake valves. Pretty much the same as the 243/799 deal.
Old 06-20-2011, 05:38 PM
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Originally Posted by notoriousdoa
its tuned. made 337/347 on a 87 octane tune
Good kill!



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