94 Cobra Nitrous ?

94cobraslow · Aug 25, 2015

ok have installed a nitrous wet kit on my 94 cobra need some help with timing ? i have 2 step colder plug gaped at 32!!!
but the ques is when im pulling timing out do i pull it from the 10deg advantaged stock timing or do i set it the timing to 0deg and pull timing there?
and it starting at a 100 shot and once every thing fine bumping to 150shot

mikestang63 · Aug 25, 2015

you want to pull timing out from 10 BTDC. I would start with 8 BTDC. Be very careful moving up to 150 so fast until you have it dialed in. I would invest in a timing retard

94cobraslow · Aug 25, 2015

So im making sure im doing this right dont want to send the intake through the hood. Start the car let it warm up turn it off pull the spout connector out restart the car and pull timing out and once where it needed turn off reconnect spout and start recheck timing right? was told to pull 6 to 7deg timing out for 100 shot and that mean I will be setting at
3deg advanced right?

mikestang63 · Aug 25, 2015

94cobraslow said:
So im making sure im doing this right dont want to send the intake through the hood. Start the car let it warm up turn it off pull the spout connector out restart the car and pull timing out and once where it needed turn off reconnect spout and start recheck timing right? was told to pull 6 to 7deg timing out for 100 shot and that mean I will be setting at
3deg advanced right?

check with the manufacturer for their recommendation on pulling timing. 6-7 degrees for a 100 shot seems excessive. I used to pull 2-3 out.

A5literMan · Aug 25, 2015

No way you'll have to pull that much timing if running 93 octane. I ran 125 shot with stock 10* without a problem(89' not sure of any difference between a 94?). With a 150 hit I'd drop 2* degrees and went as high as a 175 hit w/ a mix of 93 oct and 99oct. If you buy an aftermarket timing retard you can leave the 10* alone and have it take out your timing(not necessarily the safest because I've seen them fail and you're left with the advanced timing which = bad stuff). My present motor saw a few 125/150 hits and had timing set at 8*. I never had an issue. To be safe at the 100 try 6-8* and as soon as you're done making a pass check the plugs. Go up or down from there.

Boosted92LX · Aug 25, 2015

I used to pull 3 degrees for every 50 hp.. that's what the NOS intructions called for back in the day. I used a timing box, I think it was made by MSD iirc. I had a buddy with a 454 in a Camaro that got greedy with timing, cost him a piston and a cylinder head in one shot.

.02

edit: START with the above, thenmake a pull and look at the burn mark on the plug strap. That will tell you where to go, up or down on timing.

Boosted92LX · Aug 25, 2015

When you are dialed in where you need to be, the timing mark will be in the bend of the plug, like this:

94cobraslow · Aug 25, 2015

Well I wrote that up all wrong sry guys! Ok car set at 14deg btc. Was going to put it back to 10deg make a 35 shot hit on stock plugs and stock timing just to make sure everything works! Then I was going to put in 2deg colder plugs gaped 30 and 100shot pull timing from there. What boggles me is when talking about pulling timing form these car ppl are tell me to adjust timing toward tdc so im actually advancing timing! Is this right?

94cobraslow · Aug 25, 2015

Plus the timing pull is what nitrous outlet suggested on this kit

Boosted92LX · Aug 26, 2015

94cobraslow said:
Well I wrote that up all wrong sry guys! Ok car set at 14deg btc. Was going to put it back to 10deg make a 35 shot hit on stock plugs and stock timing just to make sure everything works! Then I was going to put in 2deg colder plugs gaped 30 and 100shot pull timing from there. What boggles me is when talking about pulling timing form these car ppl are tell me to adjust timing toward tdc so im actually advancing timing! Is this right?

No. Wrong. You have to retard timing. Advance it and go boom.

94cobraslow · Aug 26, 2015

[QUOTE"Boosted92LX, post: 8922143, member: 168157"]No. Wrong. You have to retard timing. Advance it and go boom.[/QUOTE]
Ok so If im looking at the timing marks it adc10''''0''''10''''20''''30tbc. So Im setting. /\ 14deg tbc on timing right now so from what ur telling me im already pulled timing out for a 100 shot

Boosted92LX · Aug 26, 2015

@A5literMan

batter up.

94cobraslow · Aug 26, 2015

Ok just making sure some ppl are telling to go left towards tbc but im say I need to go right more but it could be the diff between chevy guys telling u something and ford guys

mikestang63 · Aug 26, 2015

Does this help? put a full mark at 10 BTDC and then count 2 lines to the LEFT as you are looking down from on top. make another 1/2 mark at 6 BTDC. Adjust the timing to 6 BTDC.

94cobraslow · Aug 26, 2015

miketang63 said:
Does this help? put a full mark at 10 BTDC and then count 2 lines to the LEFT as you are looking down from on top. make another 1/2 mark at 6 BTDC. Adjust the timing to 6 BTDC.

Ok got it but In a way im advancing timing because im move closer to tdc on base timing with the spout connector out

94cobraslow · Aug 26, 2015

94cobraslow said:
Ok got it but In a way im advancing timing because im move closer to tdc on base timing with the spout connector out

And on ur pic at Idle spout connector out my timing set at 14btdc right this sec

mikestang63 · Aug 26, 2015

94cobraslow said:
Ok got it but In a way im advancing timing because im move closer to tdc on base timing with the spout connector out

uh no. If you are going from 10 BEFORE top dead center to 6 BEFORE top dead center you are retarding the timing.

94cobraslow · Aug 26, 2015

Told eveyone timing boggles me for some reason lol ok so let take the base timing on a stock 5.0 it set at 10deg btdc with spout connector out and more to 6deg btdc is morning closer to btdc this is where I thinking im getting lost never mind I pulled a blonde moment I forgot whst atdc stood for lol

mikestang63 · Aug 26, 2015

94cobraslow said:
Told eveyone timing boggles me for some reason lol ok so let take the base timing on a stock 5.0 it set at 10deg btdc with spout connector out and more to 6deg btdc is morning closer to btdc this is where I thinking im getting lost never mind I pulled a blonde moment I forgot whst atdc stood for lol

go back and read my earlier post until it sinks in. Moving closer to 0 from 10 BTDC is retarding the timing. You will hear the rpms drop.

94cobraslow · Aug 26, 2015

ikestang63 said:
go back and read my earlier post until it sinks in. Moving closer to 0 from 10 BTDC is retarding the timing. You will hear the rpms drop.

Lol got It but I feel like dumb ass right now because I forgot what atdc meant

94 Cobra Nitrous ?

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At least it is lumpy...

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It's only an inch or two. What's the big deal?

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It's only an inch or two. What's the big deal?

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It's only an inch or two. What's the big deal?

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