new carburetor
Lead Driver
Joined: Oct 2018
Posts: 7,903
Likes: 2,372
Yes it will. but they don't make the cheaper aluminum 4160 single feed in a 600 except for the crumby warrior series. that's why I like the 750.
I think there's a 650 classic in dichromate but I'm not sure it's worth the extra money.
Whatever they'll both work fine.
I think there's a 650 classic in dichromate but I'm not sure it's worth the extra money.
Whatever they'll both work fine.
Tuned
Joined: Jun 2018
Posts: 458
Likes: 123
From: Arkansas
I have a street warrior 600 on my 390. It runs great and starts really nice compared to the AVS2 I tried for a while. Imo the street warrior is meant to be a budget carb. One thing that annoys me about it is there’s no vacuum choke break to pull the choke plate open on startup. It also has plugs instead of sight glasses for the float setting. I got mine because it was a reman from holley so it was a little cheaper. personally I would go with the classic over the street warrior. The prices new are very close to each other and the classic has better features
as far as the whole over carbing argument, I’ve seen that demonstrated to be a non issue, I think it may have been engine masters that did a video on it once and a carb that was “too large” didn't have a negative effect on power but of course that’s wide open throttle on a dyno, not normal driving. But imo a lot of that comes from your cam and intake design too. If you have an intake limiting your air flow rate the bigger carb won’t hurt
as far as the whole over carbing argument, I’ve seen that demonstrated to be a non issue, I think it may have been engine masters that did a video on it once and a carb that was “too large” didn't have a negative effect on power but of course that’s wide open throttle on a dyno, not normal driving. But imo a lot of that comes from your cam and intake design too. If you have an intake limiting your air flow rate the bigger carb won’t hurt
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Lead Driver
Joined: Nov 2006
Posts: 5,217
Likes: 506
From: Pa.
Is this the original motor and carb to your truck ? If so it has a spread bore intake manifold and spread bore carb. You'll have to use an adapter to go from spread bore to square bore if you are to use any of the carbs mentioned above at the very least or a square bore intake manifold.
Lead Driver
Joined: Nov 2006
Posts: 5,217
Likes: 506
From: Pa.
It looks like You're missing a spring running from your throttle linkage @ the butterfly valve to the intake manifold. You'll have to pull the carb and egr plate under the carb and gaskets to ID whether the intake is square bore or spread bore. You'll need to determine if the emissions was abandoned on the motor. If the EGR is hooked up and functioning. If it is not or has been non-functioning you'll need to determine if the distributor has been recurved to accommodate the change or it won't run properly. Also it appears your auto trans kickdown linkage isn't connected and as tbear853 mentioned your going to want that hooked up. It's the 3/8" bent tubular linkage that runs from your throttle linkage (drivers side of carb) down to the transmission on the drivers side. From your picture, the holley that's on there has the spot to accommodate the kickdown linkage from the auto trans. You just need to slip the pin on the carb linkage through the grommet in the auto kickdown linkage and secure it so it can't slip back off. It may need a little C-clip that fits over the pin in the carb linkage..
Lead Driver
Joined: Nov 2006
Posts: 5,217
Likes: 506
From: Pa.
The EGR valve is part of the emissions system. there is a i/2" plate under the carb and sticks out behind the carb where the actual EGR valve lives. There are many threads on blocking off the EGR plate just search "EGR plate block off".
Another thought is the previous owner when they put the vaccum secondary holley on your motor they may have put the a square bor EGR plate on there to solve the spread bore intake issue but again that can't be answered until you pull the carb. If you need any help with that just speak up and you'll be helped :-).
Another thought is the previous owner when they put the vaccum secondary holley on your motor they may have put the a square bor EGR plate on there to solve the spread bore intake issue but again that can't be answered until you pull the carb. If you need any help with that just speak up and you'll be helped :-).
