hard start tips
hard start tips
anyone got a good list of things to do to help get a 3rd gen to start up on the first crank (without having to stand on the gas pedal)? i always hear the mechanics' cars start right up on the first crank no matter how old their car is. i'd like mine to start on the first crank too! it's just something that a good running car should be able to do IMO. my 84 Z28 is in great running condition for having 160k miles on it but i hate the embarrasment of having to crank the engine a couple of times for 15 seconds to get it going in the morning. any tips would be greatly appreciated!
<font face="Verdana, Arial" size="2">Originally posted by ArnoldBraker:
I would also suggest looking to see if your injectors are leaking. If they are they tend to flood the engine. </font>
I would also suggest looking to see if your injectors are leaking. If they are they tend to flood the engine. </font>
It fires up strong when cold or its been sitting for quite a while. And usually starts fine if its only been sitting a matter of minutes. But when its been sitting say... half an hour or longer, it takes a while.
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Tim Currie
1988 Iroc-Z
-350
-T-Tops
-'Free' Mods
The Score 12/1 and 1 Tie
14.76 @ 91 mph (you figure it out?)
AIM TCurrie1
ICQ 67616089
"Steer with the rear wheels"
<font face="Verdana, Arial" size="2">Originally posted by Timmys88Z:
would that make it start hard when the motor is warm (like after during the day when I've been driving...)?
It fires up strong when cold or its been sitting for quite a while. And usually starts fine if its only been sitting a matter of minutes. But when its been sitting say... half an hour or longer, it takes a while.
</font>
would that make it start hard when the motor is warm (like after during the day when I've been driving...)?
It fires up strong when cold or its been sitting for quite a while. And usually starts fine if its only been sitting a matter of minutes. But when its been sitting say... half an hour or longer, it takes a while.
</font>
someone please correct me if i'm wrong.
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Supreme Member
Joined: Jul 1999
Posts: 18,457
Likes: 16
From: Loveland, OH, US
Car: 4
Engine: 6
Transmission: 5
Proper starting technique is a good start.
Push the gas pedal slowly to the floor about 3 times, plus one more for every 10° below 50° ambient. Then try to start it.
If that doesn't work, then the problem is probably the plugs in the bottom of the fuel bowl. They leak. They will let all of the egas in the bowl drain into the intake, then when you try to start it, one or 2 cylinders have a load of fuel, but the carb is dry; so you have to crank it for long enough to get the fuel pump to fill it back up. This same problem will make the car hard to start after a hot soak of a few minutes, because the leaking fuel will flood the engine.
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"So many Mustangs, so little time..."
ICON Motorsports
Push the gas pedal slowly to the floor about 3 times, plus one more for every 10° below 50° ambient. Then try to start it.
If that doesn't work, then the problem is probably the plugs in the bottom of the fuel bowl. They leak. They will let all of the egas in the bowl drain into the intake, then when you try to start it, one or 2 cylinders have a load of fuel, but the carb is dry; so you have to crank it for long enough to get the fuel pump to fill it back up. This same problem will make the car hard to start after a hot soak of a few minutes, because the leaking fuel will flood the engine.
------------------
"So many Mustangs, so little time..."
ICON Motorsports
great info RB, thanks! i think i'll start with the carb plugs and see if there is any leakage. i've got to pull the carb to do my intake gasket this weekend anyway.
ARNOLD: i'm having a bit of difficulty finding the injectors on my 305 4bbl. hmmm...maybe they're in the trunk with the spare
ARNOLD: i'm having a bit of difficulty finding the injectors on my 305 4bbl. hmmm...maybe they're in the trunk with the spare
No you just not looking hard enough for them in the right place for your injectors. I KNOW for a fact your 4bbl has injectors:-)
Really though, I didn't realize you had a carb:-)~Arnold
Timmys88Z:
"would that make it start hard when the motor is warm (like after during the day when I've been driving...)?
It fires up strong when cold or its been sitting for quite a while. And usually starts fine if its only been sitting a matter of minutes. But when its been sitting say... half an hour or longer, it takes a while."
From what I have read, it certainly could. That actually sounds almost exactly like what my car does. The way to tell is to do I fuel pressure test. If it leaks off, then either your FPR is bad or your injectors are leaking. At least that is my understanding. What 84 Zcam said also sounds like a good possibility. ~Arnold
Really though, I didn't realize you had a carb:-)~Arnold
Timmys88Z:
"would that make it start hard when the motor is warm (like after during the day when I've been driving...)?
It fires up strong when cold or its been sitting for quite a while. And usually starts fine if its only been sitting a matter of minutes. But when its been sitting say... half an hour or longer, it takes a while."
From what I have read, it certainly could. That actually sounds almost exactly like what my car does. The way to tell is to do I fuel pressure test. If it leaks off, then either your FPR is bad or your injectors are leaking. At least that is my understanding. What 84 Zcam said also sounds like a good possibility. ~Arnold
Senior Member
Joined: Sep 1999
Posts: 545
Likes: 0
From: Fairfax, VA
Car: 1987 Trans Am
Engine: LT1
Transmission: T-56
Axle/Gears: 10 Bolt SLP Torsen, 3.73 ratio
Generally they leak because they got dirty (as in dirt, not a sick mind) Surf over (don't drive) to www.cruzinperformance.com They can clean and flow match your injectors for about $80
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Corry Lazarowitz
clazarow@voicenet.com
clazarowitz@hotmail.com
SLP 1 3/4" headers, 3" cat back (stock cat
)MSD ignition. MSD Blaster SS coil. More soon when funds are avail...
------------------
Corry Lazarowitz
clazarow@voicenet.com
clazarowitz@hotmail.com
SLP 1 3/4" headers, 3" cat back (stock cat
)MSD ignition. MSD Blaster SS coil. More soon when funds are avail... Supreme Member

Joined: Jan 2001
Posts: 1,978
Likes: 0
From: PA
Car: 88 Firebird WS6
Engine: 350 TPI
Transmission: T56
Axle/Gears: 3.42
Wow! Gotta love that transition into fuel injection....
A carb? Ohh yeah! O got a carb. it's C.O.# 3330-334223.....
(The everlasting assumption 3rd gens are fi)
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'88 Camaro RS 2.8L
'88 Formula 350 (Too many mods to list...)
A carb? Ohh yeah! O got a carb. it's C.O.# 3330-334223.....
(The everlasting assumption 3rd gens are fi)
------------------
'88 Camaro RS 2.8L
'88 Formula 350 (Too many mods to list...)
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