Engine Swap Everything about swapping an engine into your Third Gen.....be it V6, V8, LTX/LSX, crate engine, etc. Pictures, questions, answers, and work logs.
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Cam Swap

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Old Nov 4, 2004 | 08:23 PM
  #1  
steveiguess's Avatar
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Car: 1986 Camaro
Engine: zz4 350 w/mods
Transmission: 700-R4 W/Shift kit
Cam Swap

I would like to thank all of you for your thoughts on my motor. I have decided to pull the cam out on the upcoming Wednesday of next week. I spoke to a GM technician and I am putting this cam in thanks to his help and the help of Crane Cams http://www.cranecams.com/index.php?s...02&lvl=2&prt=5
They are confident that this will give my motor what it needs, without swapping the cam they have tested this cam on my motor and over the zz4's roller cam this has made 360 horses and 415 ft lbs of torque. Im going with hydraulic because I don't have the money for the roller, otherwise I would be purchasing the roller they reccomended. I am confident that this will bring me to the 12's now, and when I take it on Saturday, I will post the results. Thank you for all of your imput.:hail:
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Old Nov 4, 2004 | 09:49 PM
  #2  
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From: chicago
U need more than 360 hp to get in the twelves.
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Old Nov 5, 2004 | 01:42 PM
  #3  
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IHI
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From: Waterloo, Iowa
Car: 86 firebird with 98 firebird interi
Engine: pump gas 427sbc Dart Lil M 13.5:1
Transmission: Oldani TH400 w/ BTE 9" convertor
Axle/Gears: 31 spline Moser/full spool/4.11Rich
It could go into the high high 12's but you'd have to put the car on a big diet and make sure all the parts behind the motor are complimenting your engines power curve.
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Old Nov 5, 2004 | 02:30 PM
  #4  
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From: Atlanta, GA, US of A
Car: 94 Z28
Engine: LT1 w/ headers, catback, CAI, tune
Transmission: 4L60E
Axle/Gears: 3.23s
What's the rest of the setup? No 1/4 time for what it runs now?

edit - Looking at another post of yours about the setup, Put the ZZ4's stock cam back in if you have it, and save up a little till you can afford to swap in a decent roller cam, like the HOTcam if nothing else. For $450ish you can get the HOTcam, springs/retainers, and 1.6 rockers.

Why on ***'s green earth did you put that cam you have now in?

Running 8.8s in the 1/8th now I doubt you'll hit 12s with just a cam swap (that's just barelyin the 13s like it is), but the right cam will certainly put you alot closer and might just eek some 12s since your cam is pretty darn lackluster... Whats the rest of your setup other than the ZZ4, headers and good exhaust and stuff I assume??

Last edited by Ray87Z; Nov 5, 2004 at 02:53 PM.
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Old Nov 5, 2004 | 03:52 PM
  #5  
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Car: 1986 Camaro
Engine: zz4 350 w/mods
Transmission: 700-R4 W/Shift kit
Originally posted by Ray87Z
What's the rest of the setup? No 1/4 time for what it runs now?

edit - Looking at another post of yours about the setup, Put the ZZ4's stock cam back in if you have it, and save up a little till you can afford to swap in a decent roller cam, like the HOTcam if nothing else. For $450ish you can get the HOTcam, springs/retainers, and 1.6 rockers.

Why on ***'s green earth did you put that cam you have now in?

Running 8.8s in the 1/8th now I doubt you'll hit 12s with just a cam swap (that's just barelyin the 13s like it is), but the right cam will certainly put you alot closer and might just eek some 12s since your cam is pretty darn lackluster... Whats the rest of your setup other than the ZZ4, headers and good exhaust and stuff I assume??
I have hooker headers, and a custom dual exhaust with a full eaton 3.73 rear out back. A full hotchkins suspension. I don't have a ZZ4 motor. I have a motor built like it. My short block has different high compression forged pistons. I have the ZZ4 upper accessories. l98 heads, 1.5 roller rockers, etc. It will hit the high 12's on saturday if I swap the cam. It runs mid 13's now. I just have to throw the new slicks on and im not spinnin 1/2 way down the track.
To the person who wrote that 360 horses isn't enough to hit 12's, they dont know anything. My friend has a 400 horse motor that runs mid 10's, w/o nitrous. But its a ford If you have the car set up right you can do anything. Ive seen a high 14 sec stang hit low 12's with a 100 shot. Iv'e also seen a stroked CRX run mid 12's. Now I hate the jap junk, but thats impressive for that lil piece of crap.
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Old Nov 5, 2004 | 04:23 PM
  #6  
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From: Loveland, OH, US
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Should work OK... make sure your valve springs are adequate. NOT stock ones, such as would be adequate for that 151. Go with Crane's recommendation, or the equivalent from a cam maker such as Comp, Lunati, Crower, etc. Not GM, or K-Motion.

Going from the cam you've got, you won't believe how much difference there can be between 2 cams that look that similar on paper. It'll be like you just bolted in about 100 more CID.
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Old Nov 5, 2004 | 04:39 PM
  #7  
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To the person who wrote that 360 horses isn't enough to hit 12's, they dont know anything. My friend has a 400 horse motor that runs mid 10's, w/o nitrous. But its a ford If you have the car set up right you can do anything. Ive seen a high 14 sec stang hit low 12's with a 100 shot. Iv'e also seen a stroked CRX run mid 12's. Now I hate the jap junk, but thats impressive for that lil piece of crap.


ok go to the track and get disappointed again.i guess i dont know anything it was just pure luck that im in the low 12`s NA.:lala: :lala:

why didnt your "friend" who is in the mid 10`s with just 400 hp help u ,,,why are u here asking us.

comparing honda to chevy is like comparing apples to oranges.



It could go into the high high 12's but you'd have to put the car on a big diet and make sure all the parts behind the motor are complimenting your engines power curve.

that is what u are going to have to do with power your making.
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Old Nov 5, 2004 | 04:47 PM
  #8  
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Car: 1986 Camaro
Engine: zz4 350 w/mods
Transmission: 700-R4 W/Shift kit
Originally posted by daverr
ok go to the track and get disappointed again.i guess i dont know anything it was just pure luck that im in the low 12`s NA.:lala: :lala:

why didnt your "friend" who is in the mid 10`s with just 400 hp help u ,,,why are u here asking us.

comparing honda to chevy is like comparing apples to oranges.






that is what u are going to have to do with power your making.
im asking for opinions, im not gonna go do something because someone thinks its a good idea. I have 2 months until i stroke this, i just wanna have a little more fun with it.
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Old Nov 5, 2004 | 04:50 PM
  #9  
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IHI
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From: Waterloo, Iowa
Car: 86 firebird with 98 firebird interi
Engine: pump gas 427sbc Dart Lil M 13.5:1
Transmission: Oldani TH400 w/ BTE 9" convertor
Axle/Gears: 31 spline Moser/full spool/4.11Rich
Originally posted by steveiguess
. My friend has a 400 horse motor that runs mid 10's, w/o nitrous. But its a ford If you have the car set up right you can do anything.

All respect loss on this one. Maybe if that Ford is only pushing 1800-2000 lbs it might be possible, but in a full bodied car your nuts!!

Our S-10 dynoed at 555hp/505tq and weighs 2900 with me race ready. So it's not phyically possible with the power to weight ratio period. Unless like I said it's in a rail.

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Old Nov 5, 2004 | 05:07 PM
  #10  
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Hate to stray from topic, but can my setup run 12's? I know the heads I have kinda suck, anyone know how far people have gone with them?
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Old Nov 5, 2004 | 05:16 PM
  #11  
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Car: 1986 Camaro
Engine: zz4 350 w/mods
Transmission: 700-R4 W/Shift kit
Originally posted by IHI
All respect loss on this one. Maybe if that Ford is only pushing 1800-2000 lbs it might be possible, but in a full bodied car your nuts!!

Our S-10 dynoed at 555hp/505tq and weighs 2900 with me race ready. So it's not phyically possible with the power to weight ratio period. Unless like I said it's in a rail.

its stripped w/ a cage and the bare minimum. it has 400hp and 5 something ft lbs.
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Old Nov 5, 2004 | 05:58 PM
  #12  
IHI's Avatar
IHI
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From: Waterloo, Iowa
Car: 86 firebird with 98 firebird interi
Engine: pump gas 427sbc Dart Lil M 13.5:1
Transmission: Oldani TH400 w/ BTE 9" convertor
Axle/Gears: 31 spline Moser/full spool/4.11Rich
Originally posted by steveiguess
its stripped w/ a cage and the bare minimum. it has 400hp and 5 something ft lbs.
If it's a bare bones stripped to the hilt late 80's fox body it might be possible with a storked 302 to 347 or nice 351, so if he must only weigh in the lower 2000 range to go that fast with that little amount of power-not little amount of power, but you get my meaning. Roughly comparing that to our friend stripped/tubbed 66 stang that weighs 2600 race ready with driver, 347sbf that dynoed at 512hp/480tq. That ran low 11.0? all summer and dipped into consistent 10.94-96 range this fall.
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Old Nov 5, 2004 | 08:59 PM
  #13  
Ray87Z's Avatar
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Joined: Jul 1999
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From: Atlanta, GA, US of A
Car: 94 Z28
Engine: LT1 w/ headers, catback, CAI, tune
Transmission: 4L60E
Axle/Gears: 3.23s
Originally posted by steveiguess
I have hooker headers, and a custom dual exhaust with a full eaton 3.73 rear out back. A full hotchkins suspension. I don't have a ZZ4 motor. I have a motor built like it. My short block has different high compression forged pistons. I have the ZZ4 upper accessories. l98 heads, 1.5 roller rockers, etc. It will hit the high 12's on saturday if I swap the cam. It runs mid 13's now. I just have to throw the new slicks on and im not spinnin 1/2 way down the track.
Ok, that makes more sense then. The cam listed above looks to me to be a decent improvement over the one listed in the other thread that you have now. I still don't think you'll hit 12s in a full weight thirdgen but more power to you. Do you have any updated times over your 8.8 in the 1/8th? That works out to around a 13.7 or so in the 1/4 with a 2.1 60 foot. If you don't do anything to change your traction I don't see you hitting 12s with just the cam change, but it might be possible in addition to some slicks...

Good luck.
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Old Nov 5, 2004 | 09:08 PM
  #14  
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Car: 1986 Camaro
Engine: zz4 350 w/mods
Transmission: 700-R4 W/Shift kit
Originally posted by Ray87Z
Ok, that makes more sense then. The cam listed above looks to me to be a decent improvement over the one listed in the other thread that you have now. I still don't think you'll hit 12s in a full weight thirdgen but more power to you. Do you have any updated times over your 8.8 in the 1/8th? That works out to around a 13.7 or so in the 1/4 with a 2.1 60 foot. If you don't do anything to change your traction I don't see you hitting 12s with just the cam change, but it might be possible in addition to some slicks...

Good luck.
I always run it on street tires. I took it to the 1/8 tonight, and it ran an 8.7 with a 2.1 60ft and a 330 of 5.6sec. If the cam is holding me back bad I could expect a 3 to 4 tenth drop in the 1/8th. which would equal 8.3 to 8.4, which is really low 13's or quite possibly 12's. the car isn't a full weight car. Aluminum driveshaft, fiberglass cowl hood, aluminum weld wheels, boxed suspension, and aluminum motor. Ill have fun on the slicks.
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Old Nov 5, 2004 | 10:53 PM
  #15  
IHI's Avatar
IHI
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From: Waterloo, Iowa
Car: 86 firebird with 98 firebird interi
Engine: pump gas 427sbc Dart Lil M 13.5:1
Transmission: Oldani TH400 w/ BTE 9" convertor
Axle/Gears: 31 spline Moser/full spool/4.11Rich
The cam I used to run in my 355 was a low end torquer but dead on top. I would average 1.85-8 60' and usually run 13.5-.6 in the quarter- 8.88 average in the 1/8th. 3420lbs back then.
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