I finnaly got off my butt and looked through my book and couldnt find a spring number, so i took the pump apart and got it.

Are you ready? Are you sure your ready?

Well if so just send $19.95 to my paypal account and i will tell you.

J/K its spring number 374. I took some pics of the 3200rpm spring and the 3800 side by side and the 3800 is about 1/8" longer than the 3200. And the 3800 is just a tad smaller in diameter. I will get the pics uploaded a little later.

 

Thanks. Now how does one get the rest of the numbers on that spring to order one? I imagine you don't tell the Bosch shop you want the 366 spring when you order that one right? Anyways, we're finally getting somewhere on this.

 

Try this out P/N 2013740, or PDR2013740

 

I think you'd need valve springs for that, right?

 

Yes, you definitely have to upgrade the valve springs if you're going to be turning it that tight.

It may not be worth the bother for those of us who already have the 3200 RPM spring to go back in and do a 3800 RPM spring.

The POD's are a handicap at high RPM. They make a lot of smoke and heat but not much power up there. To make big power up high you need something custom.

 

^^^custom as in 370 bosch injectors from a second gen for example? Ones where you have to modify the head of the engine?

 

370 nozzles on a 1st gen body are bolt in. No head mods needed. That's something I'm thinking about.

Why are you smoking old ladies?

 

Arent 370's cheaper than POD's anyway? Besides, valve springs are so easy and quick to swap.

 

You can't use 370's out of the box, they have to be set up for a 1st gen. They will be a good bit more expensive than POD's by the time they are built. I am not making any claims about them being better, either. This is just something I'm gathering info on and might try if it seems like a good idea.

You are right, valve springs are not that big a deal.

The VE pump is the big bottleneck to high RPM. Fuel delivery drops off at high RPM, the pump just does not flow enough. Just because a VE on VW runs good to 5K doesn't mean that a VE can supply enough fuel to an engine 3 times the size at that RPM.

 

Well... ya see... that kinda ended up to be a BIT of an accident Buddy was behind me and this being right after I had done a little pump tweaking AND testing... and he was CLOSE on my *** so I figured why not give him the hint(GET OFF MY ***)... so I back off it... cool her down and then come onto her. Anyhow I'm looking back and these two old ladies(in their late 50's) are coughing and going irrate(was a GOOD pile of the black stuff too). I'm like and just keep on driving... while grinning from time to time. Since then I've been a little more careful on my smoking problem. NOW I limit WHEN I smoke to turns and from dead stops...

 

You shouldn't count them then, it was secondhand smoke.

 

I don't think you were putting out enough smoke if you could actually still see the ladies through it...

 

A 3800 spring?
I have the 3200 in and with the high idle screw backed out it will turn 3500. Im guessing with the 3800 you may push the limits a bit too far, but more power to ya!
Like it was said earlier, The VE isnt made to supply that much fuel at that RPM.
With all my mods, my peak HP and torque were between 2100 and 2200 RPM.
I have the stock valve springs on my truck and turn 3500
I keep wanting to try the EDMs but they are quite expensive. The PODs make good power but cut fuel milage.
Keep up the good work, communication is awsome.

 

I'm sure the part number would have to resemble something like this, Bosch #1-464-650-366 - thats if you didn't want that look when asking your local Bosch shop for it. What kind of pump is this? Engine size, type? Maybe someone can get the pump numbers off it and try ordering a spring for it, then we'd have a part number.

Just because you have a 3200,3800, or 4200 rpm gov spring doesn't mean you're always gonna turn that much or ever will. You rpm band, fuel cut off point will increase. More R's for more HP right? hp=rpmx5252/torque or something like that yes? More R's= more hp.....,

Don't worry guys, I'll try one out, I'll be the guinea pig.

 

It a marine VE pump for a 210hp Volvo TAMD41. I also have the turbo and alot of other goodies, just wish i had the air to water aftercooler still.