new carburetor
Lead Driver
Joined: Nov 2006
Posts: 5,217
Likes: 506
From: Pa.
You can eliminate all the "emissions" ("nonsense junk") but like has been clearly demonstrated by the OP when you do there are consequences to the system as a whole. If you mount the new carb without a spacer or egr plate the egr port will make quick work of the gasket and put enough heat in that area to warp the base of the carb and then you'll have a hard time keeping your new carb from leaking vacuum. We were at , you either buying the transdapt 2199 and use a blocked off version of your current oem intake or buy a edelbrock performer intake ? It was explained that eliminating any part of the emissions would leave your motor in a state that needs to be addressed for it to be able to run efficiently again.
Anybody that's advising you to get rid of your emissions and not advising you about the consequences of doing so is really not serious about helping you solve your current problem is my take on it.
Anybody that's advising you to get rid of your emissions and not advising you about the consequences of doing so is really not serious about helping you solve your current problem is my take on it.
Lead Driver
Joined: Nov 2006
Posts: 5,217
Likes: 506
From: Pa.
The edelbrock 2166 but you'll still want to consider the exhaust crossover block off with a 3/16th's hole if you're in a cold start up environment. The 1979-1987 OEM 460 intake is also usable and is as good as the edelbrock in this application.
Lead Driver
Joined: Nov 2006
Posts: 5,217
Likes: 506
From: Pa.
What’s the best way to clean up inside the intake ?
It will evaporate. Just lay a paper towel over it so nothing falls in and in a couple of days it will be evaporated. If it's in a closed space you'll want to park it outside. If that's not possible mop up what you can with cotton rags taking care not to get anything else in the intake while it's wide open.
What happened with the TransDapt 2199?
Are you going to use this truck for your daily driver?
Lead Driver
Joined: Oct 2018
Posts: 7,904
Likes: 2,372
I would stick with the adapter rather than the intake.
As redroad says if that's gas it'll go away. if it doesn't then it's oil and you must have quite a bit of blowby. in any event I wouldn't worry about cleaning it.
Until you get the adapter or new intake there isn't much you can do.
As redroad says if that's gas it'll go away. if it doesn't then it's oil and you must have quite a bit of blowby. in any event I wouldn't worry about cleaning it.
Until you get the adapter or new intake there isn't much you can do.
Thread Starter
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Mountain Pass
Joined: Aug 2021
Posts: 144
Likes: 21
this truck will be my daily driver, or only sunday driver
Lead Driver
Joined: Oct 2018
Posts: 7,904
Likes: 2,372
Yes , sort of. there is a port in both sides near the middle where exhaust travels through the intake. if you run a lot in cold weather or have a thermal choke, which you don't, I'd leave it open. other than that all it does is bake corrugators and warm the air going into the engine hurting power.
That said, I. wouldn't pull the intake just to block it.
That said, I. wouldn't pull the intake just to block it.
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Logistics Pro
Joined: Oct 2006
Posts: 4,035
Likes: 894
From: East Central Ia
This is a large heavy truck, don't waste money, look for a factory intake with D0 or earlier intake. You should find for the price of scrap iron. No spread bore or egr. Don't intend to confuse but, only thing they came with was phenolic spacer for pcv. Worked fine for many years. JMO. Edelbrock did make a good fuel pump in USA, not sure anymore. Offshore for any mechanical pump seems to be a crap shoot.
Lead Driver
Joined: Nov 2006
Posts: 5,217
Likes: 506
From: Pa.
I wou;d agree with the above . I wouldn't pull the intake to block the crossovers and the transdapt 2199 should be sufficient to block off the egr port in the OEM intake manifold although I've never run it that way. The spread bores I've worked on I was starting with a tank dipped perfectly clean intake before it was put on and plugging the hole was easy.
Save any and all the emissions parts you're taking off.They have value. There's some guy in California trying to pass emission s that needs every one of those parts.
Save any and all the emissions parts you're taking off.They have value. There's some guy in California trying to pass emission s that needs every one of those parts.
Tuned
Joined: Jun 2018
Posts: 458
Likes: 123
From: Arkansas
Well you can get fuel pressure before the engine starts, keep the fuel cooler because you don't have to pump fuel through a hot pump mounted on the engine block, get extra flow for a return system, etc. So there are advantages but I'm not advocating for OP to change to an electric pump as this is already the longest thread ever for a carburetor change especially when I'm still not really clear on what was wrong with his other one.
Lead Driver
Joined: Oct 2018
Posts: 7,904
Likes: 2,372
The holes on the manifold are in the crossover and were for your thermal choke. you have an electric choke now so all that is obsolete.
The hoses were probably for smog junk you don't have anymore. if you don't need them plug the intake or put caps on them and forget about it.
The hoses were probably for smog junk you don't have anymore. if you don't need them plug the intake or put caps on them and forget about it.