TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

have a bunch of parts, have (the wrong) cam and need opinions

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Old Aug 10, 2004 | 03:43 PM
  #1  
S!MON's Avatar
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From: Germany
Car: '87 Camaro Z28
Engine: fully loaded 350
Transmission: T5-World Class
have a bunch of parts, have (the wrong) cam and need opinions

ok, these are the parts that will be installed in a few months (most of them are laying at my aunts house and I first need to get them shipped to germany)



list:

Hooker Headers
Carsound High Flow Cat
Air Dam
Lifters
Z28 Valve Springs
Timing Chain
Weiand Team G Intake Manifold

already here:

Thermostat 180*
Oil Temp Gauge
Air/Fuel Gauge
Oil Cooler
Complete Engine Gasket Kit
ARP Header Bolts
Radiator
Hooker Muffler

ok, now it seems, that I have a lousy cam (15 bucks from ebay...no problem
it's a lt1 cam out of a 95 caprice. that's what the seller says...so is there a huge difference between that and a f-car cam?

I know it's not THE way to go, but for the beginning I will have a custom made chip, but I will hang on the self prgramming...

so what kind of cam would you recommend besides a lt1 cam. could I get more gains with another cam or would it be too complicated to get it running/wouldn't be worth the effort?

or should I just get a "real" lt1 cam?

what do you think will be the result in the 1/4 or at the wheels with all the stuff?
greetings

S!MON

Last edited by S!MON; Aug 10, 2004 at 03:54 PM.
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Old Aug 10, 2004 | 04:15 PM
  #2  
Grumpy's Avatar
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From: In reality
Car: An Ol Buick
Engine: Vsick
Transmission: Janis Tranny Yank Converter
Re: have a bunch of parts, have (the wrong) cam and need opinions

Originally posted by S!MON
I know it's not THE way to go, but for the beginning I will have a custom made chip, but I will hang on the self prgramming...
All the trick parts in the world are meaningless unless the engines tuned to use them. Why not first learn about how to do a chip, and experiment some with the stock motor, and then as you change parts, adjust the tune to best use the new parts?.
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Old Aug 10, 2004 | 04:44 PM
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From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Don't forget to add gaskets to your list. You will need a bunch of them

Intake (should include distributor and thermostat)
Timing cover (should include water pump)
Quality hedder gaskets
New TBI gasket

EDIT: About the cam. Any of the LT1 cams will suffice. Althought some were l;arger than others between the years and between the f and b body versions, they are all close enough. They are a good cam because they fit the TBI system well with tuning. They also are small enough where machine work to the heads is not necessary. I think there were 3 engine options for the 95 carpice.

LO5 (350 TBI)
4.8 LT1 (baby LT1)
5.7 LT1 (cop car only I think)

Last edited by ShiftyCapone; Aug 10, 2004 at 04:46 PM.
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Old Aug 11, 2004 | 12:53 AM
  #4  
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From: Germany
Car: '87 Camaro Z28
Engine: fully loaded 350
Transmission: T5-World Class
I've got an complete fel-pro kit for the whole engine
ok, then maybe I will give it a try!

maybe I will be able to contact the seller of the cam to get some more information.

any ideas on the output thing. I think that's a common tbi combo.
are 200hp at the wheels realistic?
greetings

S!MON
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Old Aug 11, 2004 | 01:17 AM
  #5  
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From: Grand Rapids, MI
Car: Z28
Engine: Sb2.2 406
Transmission: Jerico 4 speed
Axle/Gears: Ford 9" 3.60
Cam specs for late model LT1 cams:



You have the B-Body cam obviously
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Old Aug 11, 2004 | 08:17 AM
  #6  
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From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Originally posted by S!MON

any ideas on the output thing. I think that's a common tbi combo.
are 200hp at the wheels realistic?
With the proper chip work you should see 200 to 220 at the wheels (with any of the LT1 cams).
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Old Aug 11, 2004 | 11:37 AM
  #7  
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From: Germany
Car: '87 Camaro Z28
Engine: fully loaded 350
Transmission: T5-World Class
sounds pretty good.

I'm gonna let you know, when everything is done!
thx for the help

greetings

S!MON
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Old Oct 21, 2004 | 01:00 PM
  #8  
S!MON's Avatar
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From: Germany
Car: '87 Camaro Z28
Engine: fully loaded 350
Transmission: T5-World Class
back to life

have to bring that thread back, cause know I know that my cam is out of a 350 lt1 (95 caprice), buuuut:

in the table above the 265 and 350 b-bodies have the same cam specs except the rocker ratio, so what's the deal, cause people wrote that I should stay away from the baby-lt1. so there must be a difference, or am I wrong?

if it is so, what are the correct specs?
I get som 350' heads out of a 92TA. they will be ported etc. but the question is, will the lt1 cam reach the heads limits with 1.6 rockers.
some threds say yes, but if my lt1 cam is not that "radical" it could work....

questions over questions again, but I will do it once, and I will do it right
greetings

S!MON
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Old Oct 21, 2004 | 01:07 PM
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From: Portland, OR www.cascadecrew.org
Car: 1990 Camaro RS
Engine: Juiced 5.0 TBI - 300rwhp
Transmission: T5
Axle/Gears: 3.42 Eaton Posi, 10 Bolt
Typicaly stock heads can take between .470" - .480" lift without modification. If the total lift is not .470" you should have nothing to worry about. Other than pulling studs.
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Old Oct 21, 2004 | 01:18 PM
  #10  
S!MON's Avatar
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From: Germany
Car: '87 Camaro Z28
Engine: fully loaded 350
Transmission: T5-World Class
hmm, is this table I've made right?

1.5 rockers, left 1.6 rockers, right

lt1 caprice
int exh int exh
418 430 446 459

lt1 fbody
int exh int exh
447 459 477 490

tbi
int exh int exh
350 380 373 405


so:

caprice with 1.6 = ok (if these numbers are correct)
f-body with 1.6 = too much
tbi = :lala:

S!MON
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