[hashtag]

Originally Posted by EDFHOBBIES

Just look up the new 2650 rotor design by TVS /eaton.. As far as reliable do a,search for all the misaligned issues on 5th gen. I can't tell you how many speed shop dyno nights I been to in Houston only to approach a car with a dent in the hood and joking say I bet it's a whipple! They were like how did you know before you even saw under the hood... there has allready been some belt issues on the 6 gen or pulleys not aligned.

Don't get me wrong it's a great product but holding out for newer technology.

Eaton is a great blower & TVS is a upgraded version. It is a different design. Twin screw “Whipple” PSI-PSI will make more power for various reasons. Roots Blower V a Twin Screw. We all know who wins that war. You get what you pay for. Why are you bringing up Eaton TVS? ManaCharger is a TVS. That is a upgraded Supercharger. The Factory Eaton on the ZL1 in not a TVS.

[EDFHOBBIES]

Originally Posted by hashtag

Eaton is a great blower & TVS is a upgraded version. It is a different design. Twin screw “Whipple” PSI-PSI will make more power for various reasons. Roots Blower V a Twin Screw. We all know who wins that war. You get what you pay for. Why are you bringing up Eaton TVS? ManaCharger is a TVS. That is a upgraded Supercharger. The Factory Eaton on the ZL1 in not a TVS.

I bring up TVS because (see photo).. Edelbrock, Slp, harrpo, magnuson use the rotor technology. Not because our baby 1.7... I am overspinning mine currently till the eforce or magnuson is out.

[soceur77]

[soceur77]

[hashtag]

Originally Posted by soceur77

Wow kool.

[Stealth7]

Lots of information here but not clear information for California people running 91 octane. I am looking for stock drivability at about a hundred extra ponies. I want to avoid headers and do not want to touch the primary cats. I also want stock drivability so that I do not need to have the car flatbed tow truck back to the tuner. this also rules out going into the engine for things such as camshaft Etc. I need to be able to pass California emissions. The most I would be willing to do for breathing would be an intake and An X Pipe & Axle back exhaust which retains the primary cats. Any ideas?

Thank you for your thoughts and not trying to hijack the thread--looks like the op had similar ideas.

[hashtag]

Originally Posted by Stealth7

Lots of information here but not clear information for California people running 91 octane. I am looking for stock drivability at about a hundred extra ponies. I want to avoid headers and do not want to touch the primary cats. I also want stock drivability so that I do not need to have the car flatbed tow truck back to the tuner. this also rules out going into the engine for things such as camshaft Etc. I need to be able to pass California emissions. The most I would be willing to do for breathing would be an intake and An X Pipe & Axle back exhaust which retains the primary cats. Any ideas?

Thank you for your thoughts and not trying to hijack the thread--looks like the op had similar ideas.

In California has long as it passes the OB2 test you would pass. Meaning you cannot have any check engine lights on. You could fail on the visual inspection because the whipple does not have a carb #. As far as stock drivability & reliability absolutely. I would think most people would assume it is stock blower though. Most SMOG guys really do not know better

[Stefano]

Originally Posted by Lt1z350

All these big shops brag on here about soon to be and then nothing. The whipple is old technology and the 2.9 is a piece of shit compared to the new rotor pack in the 2650. The heartbeat even though smaller is a much better option and on the vette side has made more reliable constant hp pull after pull. Edlebrocks first tests on their 2650 design is pretty promising. I’m sure the Maggie version for the zl1 will be even better. The 1.7 can make good power the issue is it cannot over and over. A car will dyno 730-750 whp 800lbs torque then go to the track and run 133-134 with 200 degree manifold temp and no timing in it. Why 12-13 psi on the stock blower will perform better on the street and track. Some of these shops brag on a upcoming setup and then nothing to show for it. All talk from some on this site and when you buy a specific pulley kit from them with a belt and they send you the wrong length it shows me they really have no clue on what they are doing in that shop.

Interesting observation.

[Stealth7]

I suspect in States like California the answer will simply be to throw an air intake on, enjoy the car and then switch to the next more powerful thing that GM brings out. Otherwise, the risk and costs associated with getting those extra 100 ponies may just be too steep a hill to climb.

[hashtag]

Originally Posted by EDFHOBBIES

I bring up TVS because (see photo).. Edelbrock, Slp, harrpo, magnuson use the rotor technology. Not because our baby 1.7... I am overspinning mine currently till the eforce or magnuson is out.

Shelby, Ford- AMG R/D w/ lysolm Superchargers. They are expensive & GM is not a fan due to cost. Twin-Screw operating temperatures are lower than a roots type system & I have seen side by side demonstrations @ SEMA. Twin screw is compressed within the blower & Eaton is compressed within the inlet manifold. That is where the efficiency is lost. That system will be more than the Whipple when it is released, makes no sense.

[Lt4zl1]

Originally Posted by Can'tHave2MuchHP

I think a Pulley/LT setup has been WELL proven here and on the C7 Z06 side. Going with a Lower pulley setup, intake, TB, LT and tune on 93, you're picking up some really good power and you don't have to start screwing with meth/E85 if you don't want to, though both would add significant power.

I find the Whipple 2.9L to be a bit of a waste if you're going to be bolting it on and not turning it up, which of course requires fuel system modifications and supporting mods, and at some point soon, a cam. Here's why I say a bit of a waste:
1) $7600 for the blower from the vendors I looked at (+$1500 for good Headers and other supporting mods)
2) It's a big blower, but spinning it at really low RPM's keeps it out of its efficiency range.

SO, just like most of us know, the benefits of a big blower vs a small blower aren't really that noticeable at equal HP levels until you start pushing them. This is why the LSA and LT4 have smaller blowers yet manage just fine. But once you start pushing big blowers vs small blowers, then the gap widens a lot. And I don't think by a setup you'd be talking about, that you'd be pushing either blower. If you were, you'd need fuel system mods. And you can't pulley it too much on the stock engine either.

Now notice, that on the big heads/cam/fuels system and pulleyed Whipple builds, they make 100-200 RWHP more than the 1.7L Eaton ever could. (900-940+ RWHP via Vengeance and HHP to name a few). Again, at the bolt on level, I would definitely vote the cost savings, simplicity, and more tested, Pulley/LT/Bolt on/Tune route.

Pretty funny reading some of these older threads and what people were thinking back then. I’ve managed over 800whp on bolt ons now and my setup outruns whipple builds with heads and cam done. When I ran the 9.50 I didn’t even have an updated tune yet to my new methanol controller and bigger throttle body so car drove kinda shorty and didn’t want to shift right and went that fast. Since I have added another 25whp At least and should be crossing 830whp still on bolt ons with a jokerz ported stock blower and port methanol injection. I was only 1 tenth off the fastest zl1 heads and cam stock blower current record too. Shows the little 1.7 ltr that could when ifs ported by the best company in the business. I do believe this new setup is going to get me to bottom 9s and 148 plus mph. Car went 9.70@145 in the middle of summer on the old setup spinning and having to lift. So this summer should be interesting once I get it dialed back in on this new setup. I do know I make a whole lot of big blower combos and heads and cam cars scratch their head when comes to the power my car is making.
Funny now with the 2650s around whipple looks no better then a stock ported blower setup.

[Joshinator99]

Originally Posted by Lt4zl1

Pretty funny reading some of these older threads and what people were thinking back then. I’ve managed over 800whp on bolt ons now and my setup outruns whipple builds with heads and cam done. When I ran the 9.50 I didn’t even have an updated tune yet to my new methanol controller and bigger throttle body so car drove kinda shorty and didn’t want to shift right and went that fast. Since I have added another 25whp At least and should be crossing 830whp still on bolt ons with a jokerz ported stock blower and port methanol injection. I was only 1 tenth off the fastest zl1 heads and cam stock blower current record too. Shows the little 1.7 ltr that could when ifs ported by the best company in the business. I do believe this new setup is going to get me to bottom 9s and 148 plus mph. Car went 9.70@145 in the middle of summer on the old setup spinning and having to lift. So this summer should be interesting once I get it dialed back in on this new setup. I do know I make a whole lot of big blower combos and heads and cam cars scratch their head when comes to the power my car is making.
Funny now with the 2650s around whipple looks no better then a stock ported blower setup.

Interesting post. I think it’s safe to say a stock engine leaves a lot more on the table for a Whipple than it does for a stock blower. There are a number of Whipple builds over the years over 1000 RWHP. But even with a stock unopened LT4 and a Whipple (and no direct port methanol) has run 9.48 @ 147 (https://www.lsxmag.com/videos/drag-r...o-zl1-goes-9s/). Four MPH faster than yours, with less meth, is nothing to sneeze at IMO. And the heat soak issue of the stock blower is well documented, so I’d guess the Whipple (and of course 2650) would deliver better IATs on back to back runs in conditions your average Camaro driver would see (2000 DA, etc). I’d wager your direct port meth system probably kicks ass. Will you make me one?

[Juiced1]

A lot of people seem to be weary of running meth but on these cars it really works amazing. It helps the fueling issues and the intake temp issues so two birds with one stone. That being said 800rwhp seems to be the upper limit for that 1.7 which is still pretty impressive. The Whipple and 2650 can pass 1000rwhp if you build them right. It just depends what your end goal is.