Battle of the cams.

JP85gt · 04-15-2001, 10:43 AM

Ok picture this your setting at a table with a group of mustang guys in our little circle of a** kickers. Ok i have a E303 cam and 1.7 rockers and i run a little faster then my friends new coupe *7.85 at 89mph* i run a 7.75 at 89.995* anyways im asking the guy that help him set up his other car *6.70 in the 1/8th* what cam should i order? should i let my engine god for the roundy round track order a custom grind for nitros from our connection out west his reply? * noo dont do that man you already know what you need* so i say well what do i need in your opinion? he goes on to lightly joke because he dont want to tell me what cam to get. So my question to you guys is to i take a shot in the dark? or do i let the engine builder order the custom cam and put 1.6 rockers on it? heres my combo 306,twisted wedge heads 206/160,TW push rods,4.10 gears,175 dry shot,edle brock intake,24 pounders. Im verry frustrated at them because im kinda *half into the nitch* so i dont get any nitros info from them. Heavily considering ordering a street fighter 347 and up the dry shot to 200 have the engine god port the heads and put a custom cam in and kick all there a@@ess.BTW i ran the 7.75 on street drags spinning in first so im not that concerned about the coupe i just want the best cam i can get for nitros in my car. God speed sorry its so long. BTW right now i have 1.7's and a E303 with that setup.

PurgingPony · 04-15-2001, 02:14 PM

What times and mph do you run on the motor? How much is drivibility a concern?

------------------
88LX 5.0,C4,3200stall,TFS stg 1 cam, ported E7's, BBK LT's, Race magnum bullets, ASP 3" pulley, 3.73's, ram air, air bag, skinnies, battery in the hatch, 75hp NOS Dry Kit, Explorer intake
8.21@82 N/A 1/8th C4
8.10@84 N/A 1/8th T-5
7.61@89 N2O 1/8th T-5 http://www.angelfire.com/ns/PurgingPony/50mainpage.html

04-15-2001, 03:24 PM

Go with the custom cam from your engine builder and stick with the 1.7's. The 1.7's give the cam designer more options in terms of the hydraulic roller lobe profile.

------------------
Jeff Chambers
T/S #3
11.86 Seconds/113.8 MPH
Chambers Racing Team

juiceman · 04-16-2001, 01:24 AM

cam choice is hard. assuming the engine builder is good and not partial to one or two cams you would be better off with his choice. the problem is, most builders either dont have extensive knowledge of nitrous engines or like one or 2 cams and try to always use them. there are different ways to go. nitrous likes duration but at the cost of power n/a. a tighter lsa helps too. less duration and overlap will give higher cylinder pressure and will make power. id say youre better off with a mild cam with no less than 112 lsa. but you need to make decisions on how you want the car to be.

04-15-2001, 10:43 AM	#1
JP85gt Registered Member Join Date: Feb 2000 Location: Louisville,KY Posts: 27	Battle of the cams. Ok picture this your setting at a table with a group of mustang guys in our little circle of a** kickers. Ok i have a E303 cam and 1.7 rockers and i run a little faster then my friends new coupe 7.85 at 89mph i run a 7.75 at 89.995* anyways im asking the guy that help him set up his other car 6.70 in the 1/8th what cam should i order? should i let my engine god for the roundy round track order a custom grind for nitros from our connection out west his reply? * noo dont do that man you already know what you need* so i say well what do i need in your opinion? he goes on to lightly joke because he dont want to tell me what cam to get. So my question to you guys is to i take a shot in the dark? or do i let the engine builder order the custom cam and put 1.6 rockers on it? heres my combo 306,twisted wedge heads 206/160,TW push rods,4.10 gears,175 dry shot,edle brock intake,24 pounders. Im verry frustrated at them because im kinda half into the nitch so i dont get any nitros info from them. Heavily considering ordering a street fighter 347 and up the dry shot to 200 have the engine god port the heads and put a custom cam in and kick all there a@@ess.BTW i ran the 7.75 on street drags spinning in first so im not that concerned about the coupe i just want the best cam i can get for nitros in my car. God speed sorry its so long. BTW right now i have 1.7's and a E303 with that setup.

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04-15-2001, 02:14 PM	#2
PurgingPony Registered Member Join Date: Dec 1999 Location: Naples, Fl Posts: 113	What times and mph do you run on the motor? How much is drivibility a concern? ------------------ 88LX 5.0,C4,3200stall,TFS stg 1 cam, ported E7's, BBK LT's, Race magnum bullets, ASP 3" pulley, 3.73's, ram air, air bag, skinnies, battery in the hatch, 75hp NOS Dry Kit, Explorer intake 8.21@82 N/A 1/8th C4 8.10@84 N/A 1/8th T-5 7.61@89 N2O 1/8th T-5 http://www.angelfire.com/ns/PurgingPony/50mainpage.html

04-15-2001, 03:24 PM	#3
jchambers Guest Posts: n/a	Go with the custom cam from your engine builder and stick with the 1.7's. The 1.7's give the cam designer more options in terms of the hydraulic roller lobe profile. ------------------ Jeff Chambers T/S #3 11.86 Seconds/113.8 MPH Chambers Racing Team

04-16-2001, 01:24 AM	#4
juiceman Registered Member Join Date: Jan 2001 Location: ny Posts: 197	cam choice is hard. assuming the engine builder is good and not partial to one or two cams you would be better off with his choice. the problem is, most builders either dont have extensive knowledge of nitrous engines or like one or 2 cams and try to always use them. there are different ways to go. nitrous likes duration but at the cost of power n/a. a tighter lsa helps too. less duration and overlap will give higher cylinder pressure and will make power. id say youre better off with a mild cam with no less than 112 lsa. but you need to make decisions on how you want the car to be.