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boosted cams,post yours. #618467
02/20/10 03:37 AM
02/20/10 03:37 AM
Joined: Jul 2005
Posts: 8,647
ELYRIA,OH
B
blownzoom440 Offline OP
blownzoom440  Offline OP
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Joined: Jul 2005
Posts: 8,647
ELYRIA,OH
what have you used and on what,roots,procharger,turbo?

i have used 3 cams with my roots 8-71.
comp cam solid part# 23-000-S
grind# CRB3 6059/6061 S 113.0
lift int.541/exh.559 113 LSA
dur at .015 289/297
dur at .050 252/260
valve timing at .050
open int 13BTDC close59 ABDC
open exh 63BBDC close 17 ATDC
113 intake center

the current 1 i have in is
comp cam roller
grind# CRB3 4131B /4046B R 112.0
lash at .020
lift int .646/631exh
dur at .020 291/306
valve timing at .050
open int 21 BTDC close 59 ABDC
open exh 69 BBDC close 19 ATDC
installed at 109 CL spec
dur at .050 260/269 112 LSA

Last edited by METAL STORM; 02/20/10 03:47 AM.
Re: boosted cams,post yours. [Re: blownzoom440] #618468
02/20/10 10:26 AM
02/20/10 10:26 AM
Joined: Oct 2006
Posts: 4,590
Indy
J
joshking440 Offline
Lunch is on me!
joshking440  Offline
Lunch is on me!
J

Joined: Oct 2006
Posts: 4,590
Indy
.715 lift
.248 @.050
lsa 114

Re: boosted cams,post yours. [Re: joshking440] #618469
02/20/10 01:27 PM
02/20/10 01:27 PM
Joined: Mar 2005
Posts: 2,601
ky
H
headhunter Offline
master
headhunter  Offline
master
H

Joined: Mar 2005
Posts: 2,601
ky
havent gotten that far yet lol

Re: boosted cams,post yours. [Re: headhunter] #618470
02/20/10 01:39 PM
02/20/10 01:39 PM
Joined: Jul 2005
Posts: 8,647
ELYRIA,OH
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blownzoom440 Offline OP
blownzoom440  Offline OP
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Joined: Jul 2005
Posts: 8,647
ELYRIA,OH
Quote:

havent gotten that far yet lol



well you should be looking so you are not in a hurry when the time comes!
1 of the reasons for this post is to bring info to those in need.now if people will post there info instead of thinking thay have some top secret cam thay should get over it.
we are here to help each other not worry about what others might think of them.rant over.what ya got?

Re: boosted cams,post yours. [Re: blownzoom440] #618471
02/20/10 02:29 PM
02/20/10 02:29 PM
Joined: Mar 2005
Posts: 2,601
ky
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headhunter Offline
master
headhunter  Offline
master
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Joined: Mar 2005
Posts: 2,601
ky
still fabing the turbo system hopefully the hot side will be done next weekend

Re: boosted cams,post yours. [Re: headhunter] #618472
02/20/10 03:00 PM
02/20/10 03:00 PM
Joined: Jul 2005
Posts: 8,647
ELYRIA,OH
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blownzoom440 Offline OP
blownzoom440  Offline OP
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Posts: 8,647
ELYRIA,OH
that is an important part. i bet it is hard to wait for things to get done.

Re: boosted cams,post yours. [Re: blownzoom440] #618473
02/20/10 05:21 PM
02/20/10 05:21 PM
Joined: Jan 2003
Posts: 28,067
Irving, TX
feets Offline
Senior Management
feets  Offline
Senior Management

Joined: Jan 2003
Posts: 28,067
Irving, TX
I've been wondering about turbo cams for a while. Mine makes good power despite being an itty bitty .486" custom grind. I don't have the specs in my head but I have the cam card at home.

I know the turbo Buick guys as well as the Supras were running really strong numbers on stock cams.


We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind.
- Stu Harmon
Re: boosted cams,post yours. [Re: feets] #618474
02/20/10 05:40 PM
02/20/10 05:40 PM
Joined: Jul 2005
Posts: 8,647
ELYRIA,OH
B
blownzoom440 Offline OP
blownzoom440  Offline OP
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Joined: Jul 2005
Posts: 8,647
ELYRIA,OH
Quote:

I've been wondering about turbo cams for a while. Mine makes good power despite being an itty bitty .486" custom grind. I don't have the specs in my head but I have the cam card at home.

I know the turbo Buick guys as well as the Supras were running really strong numbers on stock cams.



i had talked to my brother about the motorcycle cams used on a turbo hayabusa making 600HP from 1400cc's and he said the cams are a lot like the N/A cams.

Re: boosted cams,post yours. [Re: blownzoom440] #618475
02/20/10 08:20 PM
02/20/10 08:20 PM
Joined: Jan 2003
Posts: 4,243
Canada
Kam*Kuda Offline
master
Kam*Kuda  Offline
master

Joined: Jan 2003
Posts: 4,243
Canada
I will likely use the one in my engine
112 lsa
intake 230 @ 50 - 525 lift
exhaust 236 @ 50 - 539 lift

It is a small hydralic roller


1970 Barracuda Convertible
1968 Satellite Street Strip car
1654.5 Mustang
1955 Land Rover
Re: boosted cams,post yours. [Re: Kam*Kuda] #618476
02/20/10 08:55 PM
02/20/10 08:55 PM
Joined: Oct 2006
Posts: 365
Motor City
S
Shaker223 Offline
enthusiast
Shaker223  Offline
enthusiast
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Joined: Oct 2006
Posts: 365
Motor City
This is what I have now and yes, this is at the valve. 1970 vintage.

Lift .385"I, .375"E
Duration 240I, 236E
Overlap 16
Lobe Sep. 111

Re: boosted cams,post yours. [Re: Shaker223] #618477
02/20/10 09:30 PM
02/20/10 09:30 PM
Joined: Nov 2004
Posts: 3,619
Norwich CT USA
Defbob Offline
master
Defbob  Offline
master

Joined: Nov 2004
Posts: 3,619
Norwich CT USA
.465", 220 @ .050

Re: boosted cams,post yours. [Re: Defbob] #618478
02/20/10 09:46 PM
02/20/10 09:46 PM
Joined: Jan 2003
Posts: 3,336
Summit, NJ
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whiplash Offline
master
whiplash  Offline
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Joined: Jan 2003
Posts: 3,336
Summit, NJ
hughes 3038 cam on a 114 lsa


  • 67 coronet 4dr, 383/727/GVOD, blown, EFI, daily driver
  • 230/238, 114°LSA cam, 1.6 rollers, 9:1 comp, 8 psi boost
  • NEW BEST ET - 12.40@110mph...
Post deleted by Defbob [Re: whiplash] #618479
02/20/10 10:17 PM
02/20/10 10:17 PM

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Re: boosted cams,post yours. #618480
02/21/10 03:08 AM
02/21/10 03:08 AM
Joined: Oct 2006
Posts: 200
AB
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Efidart Offline
enthusiast
Efidart  Offline
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Joined: Oct 2006
Posts: 200
AB
Still have this cam sitting on the shelf from my old roots setup solid flat tappet.

252 262 @ .050
.560 .580 lift
114 lsa I believe.

Turbo setup has a solid roller I'd have to look at the cam card again for exact specs but its about
274-286 @ .050
.680 .680
116.5 LSA.
Idles like a .509 mopar cam.


TT Predator headed 572 7 Second Street Car.
Fastest Mopar Drag Week 2015
Fastest Mopar & Dodge Drag Week 2017
Pro Street Power Adder Champion Drag Week 2017
Re: boosted cams,post yours. [Re: Efidart] #618481
02/21/10 08:47 AM
02/21/10 08:47 AM
Joined: Sep 2003
Posts: 2,175
Duloc
T
The Shadow Offline
top fuel
The Shadow  Offline
top fuel
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Joined: Sep 2003
Posts: 2,175
Duloc
The cam that was in my sdce bb was a roller
609/631
247/260@.050
115 lsa
Anybody looking for a procharger cam?

Re: boosted cams,post yours. [Re: The Shadow] #618482
02/21/10 01:17 PM
02/21/10 01:17 PM
Joined: Feb 2003
Posts: 21,318
Manitoba, Canada
DaytonaTurbo Offline
Too Many Posts
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Too Many Posts

Joined: Feb 2003
Posts: 21,318
Manitoba, Canada
Does that extra few degrees of LSA make a big difference on building boost?

Re: boosted cams,post yours. [Re: DaytonaTurbo] #618483
02/22/10 12:19 AM
02/22/10 12:19 AM
Joined: Jan 2003
Posts: 2,697
Renton Wa
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topfueldart Offline
master
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Joined: Jan 2003
Posts: 2,697
Renton Wa
The wide LSA is to keep overlap and reversion to a minimum, you want to use the boost to push the piston down, and not let the exhaust back into the chamber or intake charge. When LSA is narrower, overlap is larger. (all other numbers being equal)


11.48 @ 120 with a 1.80 60' 318, stock 1.88 heads, stock 904, Pump Gas, 13 lbs of boost.

9.94 @ 134, 318 on pump gas, 14 lbs w/ Eddies, transbrake 727, 3600 lbs, 3.54 gear and 28's.
Re: boosted cams,post yours. [Re: blownzoom440] #618484
02/22/10 10:45 PM
02/22/10 10:45 PM
Joined: Jan 2003
Posts: 28,067
Irving, TX
feets Offline
Senior Management
feets  Offline
Senior Management

Joined: Jan 2003
Posts: 28,067
Irving, TX
Here's my monster cam specs. Think you can hang with this baby? This is rocket science right here!

intake/exhaust
.006 duration 284/280
lift .474/.483
.050 intake open 6 btdc close 50 abdc
.050 exhaust open 48 bbdc close 4 atdc
duration at .050 236/232
lobe lift .3160/.3220
separation 112

You can see there's only 10 degrees of overlap. That's as tight as we could get it without going to a custom blank.
Keep in mind that this cam was ground 10 years ago. Comp wasn't doing a lot of turbo cams since turbos V8s weren't very common.
Much has changed since this thing was built. I'm sure people know far more about turbo cams now than they did then. However, this thing makes decent power. You can't argue with that.


We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind.
- Stu Harmon
Re: boosted cams,post yours. [Re: feets] #618485
02/26/10 05:54 PM
02/26/10 05:54 PM
Joined: Apr 2005
Posts: 60
Tolstoy, SD
T
turbo66valiant Offline
member
turbo66valiant  Offline
member
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Joined: Apr 2005
Posts: 60
Tolstoy, SD
Erson
.465 I
.465 E
220 Duration at .050
-8 overlap
.050 intake open 0 tdc / close 40
.050 exhaust open 48 / close -8
114 LSA
110 ICL
101.5 Installed

This will be the third season on this cam.

Later


Turbo Slant 6 Valiant 10.74 @ 127.47 6.65 @ 107.80 http://www.youtube.com/user/turbo66valiant
Re: boosted cams,post yours. [Re: turbo66valiant] #618486
02/26/10 06:03 PM
02/26/10 06:03 PM
Joined: Jan 2003
Posts: 3,575
The Netherlands
BigBlockMopar Offline
master
BigBlockMopar  Offline
master

Joined: Jan 2003
Posts: 3,575
The Netherlands
260/268-112, .630/.630 Solid Roller.

500ci / 8-71 / Indy 440-1

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