Which injectors for new engine?
Im building a new engine to replace my cracked 53 block. Its getting compleatly torn down, hot tanked, magna fluxed, Ballanced & blueprinted, Its also getting a hamilton "HD Big Stick" cam, new push rods, & valve springs, The Pistons & barings are getting coted, & also getting O-Ringed & studded, Along with some head work. Im trying to figure out witch injectors I should get for the new motor. Its getting close to being done so i need to hurry up and decide. Iv heard everything from stay with the 120's that are in my sig to Mach 4's Mach 6's & everything inbetween. So take a look at my sig & what the new engine is getting & give me your thoughts please. This is my daily driver in the smoke hateing southern CA. So please give me your input TIA
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get some ddp 150's not sure how big your turbo is etc, but the 150's are good stuff, or maybe some 200's
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The turbo is like a 64/71/14 i think & ya im trying to choose between the mach 4's (150 hp)& mach 5's (200hp) Just dont know witch ones to get yet:argh:
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If you do any towing you should go with Mach 4's. The truck may not get got with m5's but with the 4's you wont have to worry about it especially if its your DD. A 200hp injector may be a little too much fuel for a 64mm turbo for a street application. Just my .02
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I do vary little towing, It is my DD. I have been thinking the Mach 4's but than people are telling me that with the cam & head work its going to be less smoky & the turbo is going to light faster, and that the Mach 5's or even 6's would not be that smoky with the stuff I have:humm:
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Go with the 200's. Are you dead set on the F1 Injectors?
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I am not dead set on them, But I have been doing a lot of research & from what I have been finding they sound like the cleanest & best performing injectors, But also the most expensive. But im open to suggestions.
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How about a set of DDP 200's or there Comp 250's?
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How smoky would they be with the stuff in my sig + head work & a cam? Remember this is my daily driver & I am in southern CA ware they HATE smoke.
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if you do little towing and with your head work then go with the 200's. From what i've Competition injectors like to haze regardless of head work/turbo. Even with a 64 mm turbo it will smoke quite a bit until it fully spools. Californians dont care for dense smoke on the highway.
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I just picked up a set of ddp 200's will be trying them out in aug and then adding a bottom turbo. My ddp's that I currently have run great and were a lot cleaner than what I had. The smoke all depends on the turbo etc. In the heat most larger injectors will haze. But I think in your case I would go with a set of 200's as ddp's have a 30 day guarantee on them too.
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Originally Posted by Mopar Man
(Post 361901)
I do vary little towing, It is my DD. I have been thinking the Mach 4's but than people are telling me that with the cam & head work its going to be less smoky & the turbo is going to light faster, and that the Mach 5's or even 6's would not be that smoky with the stuff I have:humm:
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Thanks man, Hey Giant hows the truck running with the new tranny?
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Originally Posted by Mopar Man
(Post 367687)
Thanks man, Hey Giant hows the truck running with the new tranny?
---AutoMerged DoublePost---
Originally Posted by Mopar Man
(Post 360949)
Im building a new engine to replace my cracked 53 block. Its getting compleatly torn down, hot tanked, magna fluxed, Ballanced & blueprinted, Its also getting a hamilton "HD Big Stick" cam, new push rods, & valve springs, The Pistons & barings are getting coted, & also getting O-Ringed & studded, Along with some head work. Im trying to figure out witch injectors I should get for the new motor. Its getting close to being done so i need to hurry up and decide. Iv heard everything from stay with the 120's that are in my sig to Mach 4's Mach 6's & everything inbetween. So take a look at my sig & what the new engine is getting & give me your thoughts please. This is my daily driver in the smoke hateing southern CA. So please give me your input TIA
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It should be done getting ballanced & blueprinted this week & compleat next week. so depending on how long it takes for the powder coating I would be willing to guess it could be in the truck in the next 2 weeks or so. You get the quad box & everything in now that your trany is good? & how is that header working?
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Originally Posted by Mopar Man
(Post 368806)
It should be done getting ballanced & blueprinted this week & compleat next week. so depending on how long it takes for the powder coating I would be willing to guess it could be in the truck in the next 2 weeks or so. You get the quad box & everything in now that your trany is good? & how is that header working?
I really like the header. On my way out to Phoenix, AZ I jumped on it going up one of the passes to see how high the EGT's would get to. I couldn't hit 1300. I am very pleased with it. |
Glad to hear it man, & I think they are planning another tech day:U:
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I'd run a set of mach 5's. I currently run little DDP's in my truck, and they are pretty clean. However, larger DDP's and schieds and what not tend to smoke a lot more than the mach series injectors. Not that they don't produce, just not quite as cleanly. That turbo, is a 63.5x72.5, which means getting the wheels turning will take it a little longer because you have more mass to get spinning. Running a dirty injector will be more evident with it and you will have more smoke off idle and when building boost. Fortunately, the Cam will really help with spool of that turbo though.
Sean |
Thanks for the info, & another good thing that will help with the smoke is it is a pretty fast spooling turbo, I can get 40+ psi of boost between 1500 & 1700 rpm
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That is a pretty quick spooling set up. That would be the ball bearings at work. I honestly haven't spent that much time around ball bearing turbos, so I'm not as familiar with their behavioral characteristics. I'd imagine that once it gets spinning it lights really fast, given that larger wheel. Just takes a little more off the bottom to get it spinning. Which A/R housing do you have on it?
Sean |
Originally Posted by sstockton
(Post 370937)
That is a pretty quick spooling set up. That would be the ball bearings at work. I honestly haven't spent that much time around ball bearing turbos, so I'm not as familiar with their behavioral characteristics. I'd imagine that once it gets spinning it lights really fast, given that larger wheel. Just takes a little more off the bottom to get it spinning. Which A/R housing do you have on it?
Sean |
I ran 250hp DDP's with a silver bullet (66/74) and could be driven in semi-agressive manner without smoke. yes it would smoke if you lugged it, but if you eased into the throttle and gave it a chance to start spooling first then it would take off and be nearly smoke free at full boost. it hardly put out a grey haze even when hooked to the sled.
i was extremely happy with the way the DDP 250's performed and how clean they were. |
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