When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
From what I'm reading that 700R4 trans isn't ideal for high hp/torque applications. Seems the 4L80E is better.
A well built 700r4 will take what you throw at it.......especially if you are not running slicks.
4L80E is a great unit but has to have a computer to run it.....hence the "E" in the name.
99% of people who comment about how bad the 700r4 is have never had their TV cable adjusted properly......and for this particular trans....it is EVERYTHING.
99% of people who comment about how bad the 700r4 is have never had their TV cable adjusted properly......and for this particular trans....it is EVERYTHING.
One problem is I don't know how competent the shop that did it is or exactly what they did to it. The guy who's selling the Vette says it's supposed to be built for 700 hp, I don't know how he/they arrived at that.
Pistons, connecting rods and crankshaft should all be forged pieces. I'm under the impression that GM used powdered metal connecting rods for awhile. I don't know if they were in the ZZ4 or not.
One problem is I don't know how competent the shop that did it is or exactly what they did to it. The guy who's selling the Vette says it's supposed to be built for 700 hp, I don't know how he/they arrived at that.
I always wonder where trans builder get their HP rating from? 700hp on the street with street tires is nothing like 700hp on the track with slicks.......just as 700hp with slicks on the track @ 3500 lbs. is nothing like 700hp at the track with slicks @ 2500 lbs.
As long as it is a sound build and the TV cable is adjusted right.....it should work well for you assuming a nice big cooler.
IIRC
ZZ4 motors come stock with right at 10:1 CR using cast pistons … I have NO blower experience but I'm under the impression that Hi-comp, blown motors without computer management ...or without expert manual carb & ignition tuning … may be flirting with detonation
The correct timing curve under boost would be my biggest concern.
Hypereutectic cast aluminum pistons and blowers don’t mix in my book.
This is what I consistently find as common wisdom.
It's just aggravating because this car is so straight otherwise and it does run great, if only it weren't a problematic build. I don't know if he cobbled these pieces together out of ignorance because he didn't do enough research or if in his opinion he decided this particular blower isn't potent enough to be a problem.
Last edited by brassplyer; 02-20-2019 at 07:53 PM.
Lets see some pictures. What year? If it's all in wonderful shape and the engine is fresh, then I would pull that supercharger off. But what year and how much and let's see it.
Here it is! Ain't she a beauty? Elegant, tasteful styling.
Last edited by brassplyer; 02-23-2019 at 08:45 PM.
There aren't a lot of pics - all the exterior is going to show you is a primered albeit straight 'Vette. The undercarriage which I don't have any pics of is really the most impressive view currently, it's very clean.
Here's a few that show the engine bay and interior. There's also a front-facing scoop-type air intake, whatever the official name for those are.
02-16-2019, 08:01 PM
