SPECS
Horsepower
270 WHP
Torque
340 LB-FT
Curb Weight
3300 LB
Drivetrain
Rear Wheel Drive
Engine Size
5.8 357 cu in
Transmission Type
Automatic th350
MPG (City/Highway)
5/7 MPG
0-60mph
4.8 seconds
0-104mph
13.3 seconds
Cost
13000 usd
VEHICLE STORY

August 20 17: Engine is out, due to the fact that the oil pressure relief spring was failing, oil pressure would begin to drop at extended high rpm pulls, it would go up to 70 psi the begin gradually falling to about 30 at 5500rpm, it's a 4 bolt 350 bored .040 forged flat top pistons, I installed a new oil pump with high pressure spring standard volume, That solved the issue. it has a 7 quart pan, summit mini starter, stock balancer and pulleys, edelbrock short water pump, gear drive, , hyd roller cam unknown duration, unknown lift, elelbrock performer heads 64 cc chambers and upgraded valve springs, aluminum full roller rocker 1.5 ratio, 650 double pumper carb, stock mechanical fuel pump, hurst z gate shifter. , also installed trans cooler in front of radiator, and b-cool radiator and electric fan, will do some testing this weekend to update, 0-60 and quarter with my g-tech pro. It has 4.11 rear gears and a posi in a 10 bolt, that will be upgraded to a 9" someday, but the posi is shot only one tire spins, I have a new posi and axles to install next, I also just put in the 10" converter. The trans is rebuilt th350, 6 months ago and is holding up well. Sep 22 2017: engine is back together, install soon. Sep 28 2017: engine is in, still working on some details. It takes 10 times longer to reinstall, cleaning and detailing and reworking wiring etc. Oct 3 2017: went for a drive today, engine is running great, the oil pressure problem is solved, with the extra 40 hp I gained traction is now an issue, getting off the line is tough, then shifting to second sends the tire up in smoke, need to install the new posi soon, going to do some gtech runs tomorrow. Oct 4: Ha Ha, no traction, can not accelerate with full throttle any point in first gear, so my 0-60 was 5.9 seconds and quarter at 13.8 @ 104, Dec 30 17 got the new diff and axles installed, removed the electric fan and installed a flex fan and shroud, the electric couldn't keep up at idle in 90 degrees. 7 January 2018: Did about 8 Gtech runs today best 0-60 4.88 worst 5.3, quarter best 13.3 @104, I need a bigger cam or I have another issue stops pulling about 5,000, strange. I have lots of torque between 2500 and 5,000, shifting at 5500, but the time it takes to rev from 5000 to 5500 is kind of ridiculous. 19 Jan 18 Installed seats from a wrx, they feel great, did take some work and they are a tight fit, they're a little dirty from sitting in the shed for 2 years. 3Feb18: Pulled some 3.42 gears from another 10 bolt to install soon, went on a 75mile cruise averaged 5mpg lol...5Mar18: Its been a month and all I did was buy a new fuel sender...busy at work....

Discuss this build

[]Ty Robby

Maybe you don't have enough valve spring? Could be floating above 5000

[]Jeff Linton

I went off Comps recommendation for spring and installed heigh for the new cam I haven't installed yet, so your probably right, that makes sense, I have no idea what cam is in there now, just know its a hyd roller and figured it was smaller than the new cam, I have about 300 miles on the springs

[]Ty Robby

Yeah maybe it's actually bigger than the new one...gotta love a mystery cam. I've been thinking about going solid roller for my chevelle but there's so much cost involved.

[]Jeff Linton

Lifters: 500, pushrods :100, cam 400, springs 200, gaskets etc add another 200, lol, I'm saving for some new lifters now....

[]Ty Robby

Plus if I went solid roller I'd do shaft rockers $1000+ - _ -

[]Jeff Linton

lol

[]Jordan Shuster

Beautiful classic!

[]Jeff Linton

Thanks, lots of stuff to fix, but its getting there

[]Jordan Shuster

As true of all project cars haha :) It'll be there before you know it!

[]Jeff Linton

What engine/ trans combo are you going to run in the 240? A gm small block would be cheap and powerful, I'm into Chevys you can hammer on them all day long, and I like to drive my car hard. Whatever you decide, Im all for it, keep the muscle cars alive and on the road.

[]Jordan Shuster

We currently plan to keep the 2.4L in-line 6 and...honestly I'm not sure what the transmission is. It's been in pieces ever since I joined the restoration efforts :P But, I'm almost certain it's the 4-speed manual. We may consider engine swapping later, but it's been a goal so far just to restore the Rotty Datty to it's factory-level quality of life :)

[]Jeff Linton

Understood, first priority for me on projects is to get them on the road so I can drive and enjoy them, because.........if I don't use them they get put on the back burner for way too long.....been down that road at least a dozen times. Keeping the 2.4 makes sense, it the fastest least expensive route to be able to drive the car......keep up the good work.

[]Jordan Shuster

Since we're both in our early 20's we figured it may not be a good idea to go for the most expensive build first ;) But we've certainly considered adding more power in the future.

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