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Forum: Tech / General Engine
05-13-2010, 12:27 PM
Replies: 2
Views: 625
Posted By serpentracer

Re: 85 iroc mystery wont start. see if you can help me

ok I got it solved. there is a in-line fusible link located near the starter. it was bad. I bypassed it completely with a new wire and a actual fuse at the battery.
there is also one up by the...
Forum: Cooling
05-13-2010, 09:18 AM
Replies: 15
Views: 11,488
Posted By serpentracer

Re: Enviro-safe R12........

I put this in my s/10 and it works better than the stock stuff
http://www.id-usa.com/product.asp?CID=7&PID=215
Forum: Cooling
05-13-2010, 09:09 AM
Replies: 45
Views: 4,638
Posted By serpentracer

Re: Un-common overheating problem

use a infrared temp gauge and check the neck of the thermostat housing.
I bet your temp gauge is wrong. there's no way your engine can over heat if the thermostat is open and coolant is flowing.
...
Forum: Tech / General Engine
05-13-2010, 08:47 AM
Replies: 2
Views: 625
Posted By serpentracer

85 iroc mystery wont start. see if you can help me

here's what we have,
1985 Iroc z-28. 305 carbed and has a 5 spd. 79k original miles. (just bragging lol)
ok so, it was running when we turned the hvac controls on the car went dead.
by dead I mean...
Forum: Tech / General Engine
05-02-2010, 10:30 AM
Replies: 21
Views: 1,658
Posted By serpentracer

Re: Whats wrong with my engine now?

sounds more like it's not getting fuel when you hit the gas man.
could be a fuel pump, could be the carb needs adjustment.
pay special attention to the accelerator pump and float level.

didn't...
Forum: Tech / General Engine
05-02-2010, 10:21 AM
Replies: 14
Views: 2,031
Posted By serpentracer

Re: Need help setting valve lash

I keep seeing people all over the net say to leave hydraulic lifters at 0 lash. I just can't figure out why they go around saying this.:doh:

I mean these are real legit engine builders websites...
Forum: TPI
04-27-2010, 05:39 PM
Replies: 26
Views: 32,510
Posted By serpentracer

Re: TPI - What spark plugs and wires do you recommend?

those bosh plat are the biggest pieces of crap I've ever had. they made my car miss something awful.

go with delco plat or NGK plat or iridium if you want long lasting good performing plugs.
Forum: TPI
04-25-2010, 06:11 PM
Replies: 26
Views: 32,510
Posted By serpentracer

Re: TPI - What spark plugs and wires do you recommend?

I like the taylor wires. about $20 less price of the MSD and just as good.

http://www.summitracing.com/parts/TAY-74611/
Forum: TPI
04-25-2010, 06:03 PM
Replies: 44
Views: 24,553
Posted By serpentracer

Re: Rough Idle When Hot... Fuel Injectors? (305 TPI)

there is a proper way to adjust the min idle screw.

first warm up the engine to operating temp. then unhook the IAC valve.
then adjust the screw until you reach about 500 rpm in gear. (this is...
Forum: Tech / General Engine
04-25-2010, 11:35 AM
Replies: 3
Views: 519
Posted By serpentracer

Re: engine break in question...

I thought that cable is just for the kick down when you floor it so the trans will downshift. everyone I know has always called it the kick down cable.
or are you talking about something else?
Forum: Tech / General Engine
04-25-2010, 11:27 AM
Replies: 11
Views: 26,190
Posted By serpentracer

Re: adjust plug gap for hotter spark?

I've often wondered why my S/10 4.3 V6 plugs are supposed to be at .060
and the camaro at .035.
Forum: Tech / General Engine
04-23-2010, 02:24 PM
Replies: 8
Views: 773
Posted By serpentracer

Re: I think its time for a new starter..

all these just started up parts companies out there these days...all you can get is junk any more.

I thought about trying a Delco-Remy from advance. at least it's a name brand I've heard of. I...
Forum: Tech / General Engine
04-23-2010, 06:27 AM
Replies: 8
Views: 773
Posted By serpentracer

Re: I think its time for a new starter..

I have the same exact problem
Forum: Tech / General Engine
04-22-2010, 11:34 AM
Replies: 3
Views: 480
Posted By serpentracer

Re: removing oxidation/corrosion?

I found something that makes aluminum look like it just came out of the mold.

acid wheel cleaner. I put it on everything that has that white scale on it and it took it all off. but you need to...
Forum: Tech / General Engine
04-22-2010, 11:14 AM
Replies: 2
Views: 755
Posted By serpentracer

who sells a good starter?

ever since my stock starter went out I cannot find anywhere that has a starter that doesn't get heat soaked and leaves me stranded until it cools off enough to turn over the engine.

it's starting...
Forum: TPI
04-22-2010, 08:58 AM
Replies: 10
Views: 17,508
Posted By serpentracer

Re: Timing and intake backfire

I also wanted to add the pressure should jump almost instantly up to full psi when you turn the key on. not gradually climb. that's another tell tale sign the pump is weak.
Forum: Tech / General Engine
04-22-2010, 07:43 AM
Replies: 3
Views: 738
Posted By serpentracer

Re: Distributor/plug wire location help

MI ROC-Z, it appears your #1 is off by one if you drew it exactly how it is. it should be over one more to it's right. (your first unlabeled terminal)
you're diagram should be like this, starting at...
Forum: TPI
04-22-2010, 07:19 AM
Replies: 10
Views: 17,508
Posted By serpentracer

Re: Timing and intake backfire

I know this is a old thread but I want to hit on what mnorton said, this can be your problem.

I had to put a new pump in a 2002 blazer because it's pump was way too weak and back firing in the...
Forum: Electronics
04-21-2010, 06:50 PM
Replies: 4
Views: 499
Posted By serpentracer

Re: engine fan????

most newer cars wont let you use a cooler thermostat etc unless you tune the computer. and most of them use aluminum heads and or blocks. so it's not that the heat is so bad for them. if you use a...
Forum: Electronics
04-21-2010, 06:40 PM
Replies: 5
Views: 1,838
Posted By serpentracer

Re: Rear hatch motor stuck down

mine started to get stuck every now and then. I had to tap on the motor or the metal part of the latch with something and it would work again.
Forum: Electronics
04-21-2010, 06:25 PM
Replies: 3
Views: 902
Posted By serpentracer

Re: 1991 Z tach reads wrong

hey thanks NINA.
I found the thread about putting the 1 megaohm potentiometer on the circuit for the tach and it worked for me.
I set it to the correct RPM via a engine analyzer.
now she's all...
Forum: Electronics
04-21-2010, 01:18 PM
Replies: 3
Views: 902
Posted By serpentracer

1991 Z tach reads wrong

excuse me if this has been covered before but I'm on a very slow internet connection and I don't have the time to search in depth.
if this has been covered already please link my to the thread....
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