C1 & C2 Corvettes General C1 Corvette & C2 Corvette Discussion, Technical Info, Performance Upgrades, Project Builds, Restorations

Crate motor options as I rethink all this.

Old 09-19-2017, 09:21 PM
  #1  
Randy G.
Race Director
Thread Starter
 
Randy G.'s Avatar
 
Member Since: May 2006
Location: Eagle, Idaho
Posts: 14,680
Received 552 Likes on 378 Posts

Default Crate motor options as I rethink all this.

I've been thinking about crate engine options for my '67.

I put a Blueprint 383 in my '62 almost 2 years ago that I just sold.

This one:

http://www.blueprintengines.com/inde...ecs-bp38313ct1

Great engine, but the "rickety-rickety-rickety-rickety" idle about wore me out. I emailed Blueprint and asked them about different roller hydraulic options that would allow it to maintain the HP numbers but tame the idle lope and they recommended a whole different engine...their cast iron headed version. No thanks. And for now I'm in no mood to chase parts and machine work to build my own, so I suggested to Blueprint that I would buy the same engine and swap the cam for a hydraulic roller that was a little more user friendly. No recommendations from them. They actually said the cam was pretty mild, but if I recall they made a statement about how the cam profile in my '62 was designed to have a lope at idle.

So, it got me thinking. Maybe an LS version GM crate engine, fuel injection, etc. More power, etc. I'd like 450-500 hp. Am I opening a can of worms getting away from a small block Gen 1 version? I want to be able to use the factory air, factory power steering, ignition shielding, and other bolt-ons to keep it looking stock. I don't want to hack the car up, either. It's very original, and the engine I'll be pulling out is the engine that came in the car when it was new (300hp, 327). We believe it's never been apart.

I'm also looking to put an overdrive automatic transmission in it as I suggested in other threads. It's an original powerglide car.

Anyone have any comments?







Old 09-19-2017, 09:27 PM
  #2  
Nowhere Man
Team Owner
 
Nowhere Man's Avatar
 
Member Since: Feb 2003
Location: Sitting in his Nowhere land Hanover Pa
Posts: 48,984
Received 6,928 Likes on 4,774 Posts
2015 C2 of Year Finalist

Default

Leave it alone. If you don't like the car as is sell it and buy what you want.
Old 09-19-2017, 09:30 PM
  #3  
USMC 0802
Drifting

Support Corvetteforum!
 
USMC 0802's Avatar
 
Member Since: Jan 2016
Location: CENTCOM, Tampa, FL
Posts: 1,673
Received 959 Likes on 490 Posts
USMC
Default

I am really pleased with my GMPP 385/405 aluminum headed motor (GM # 19333157) I put in my '66 this spring. I have a 4 speed car, but the motor came set up with the flex plate for auto.

LS motors are awesome (my 2SS/RS Camaro has one with full bolt ons), but will require more attention to mounting, wiring, electrical, etc., where as a Gen I SBC will plop right in.

I don't think you can go wrong either way, but IMHO the LS will be much more of a commitment of time and $...But really easy to get 500 HP out of

I'm subscribed...

Good luck!
The following users liked this post:
Randy G. (09-19-2017)
Old 09-19-2017, 09:34 PM
  #4  
Randy G.
Race Director
Thread Starter
 
Randy G.'s Avatar
 
Member Since: May 2006
Location: Eagle, Idaho
Posts: 14,680
Received 552 Likes on 378 Posts

Default

Originally Posted by Nowhere Man
Leave it alone. If you don't like the car as is sell it and buy what you want.
NWM, I did buy what I wanted. A fully loaded, no hit, no rust, C2. My wife picked the color. Not necessarily on my bucket list, but it makes her happy.
The following users liked this post:
USMC 0802 (09-19-2017)
Old 09-19-2017, 09:39 PM
  #5  
Nowhere Man
Team Owner
 
Nowhere Man's Avatar
 
Member Since: Feb 2003
Location: Sitting in his Nowhere land Hanover Pa
Posts: 48,984
Received 6,928 Likes on 4,774 Posts
2015 C2 of Year Finalist

Default

Originally Posted by Randy G.
NWM, I did buy what I wanted. A fully loaded, no hit, no rust, C2. My wife picked the color. Not necessarily on my bucket list, but it makes her happy.
So why the hell would you screw it up. Keep the hood shut and drive it. If your going cross crounty with pull the powerslide and put in a OD unit and enjoy. For a all around enjoyable car I will take a 327/300 over anything.

Last edited by Nowhere Man; 09-19-2017 at 09:39 PM.
Old 09-19-2017, 09:53 PM
  #6  
Stan's Customs
Melting Slicks
Support Corvetteforum!
 
Stan's Customs's Avatar
 
Member Since: Jan 2005
Location: Texas
Posts: 3,021
Received 88 Likes on 66 Posts

Default

Gen 1 and smooth idle...little horsepower.

LS and smooth idle, way plenty horsepower.

I've been fighting this issue for a several years.

Nothing will beat the all around hp and driveability these LS engine/trans. kits have.

I prefer the lower hp. LS 3 engine with 4L65 E kit, because I like the idle sound better than the LS's with the bigger hp engines. Sounds just right imho...

I'm told its harder to hide the ecms than it is to wire it up(4 wires I think).

For now, I'm still old school. But if my currently planned upgrades don't fix my low power and drive issues...then it may be an "L"agg,err,choke"S", for me too I guess...lol!

Cost about 17K in parts, including a Rick's Tank and pump, Be Kool or Dewitts radiator and Spal fan, upgraded exhaust and misc, when I was putting a pencil to it a few weeks back.

"Plus" your labor or someone elses...

Stan

Last edited by Stan's Customs; 09-19-2017 at 10:38 PM.
Old 09-19-2017, 09:59 PM
  #7  
Randy G.
Race Director
Thread Starter
 
Randy G.'s Avatar
 
Member Since: May 2006
Location: Eagle, Idaho
Posts: 14,680
Received 552 Likes on 378 Posts

Default

Originally Posted by Nowhere Man
So why the hell would you screw it up. Keep the hood shut and drive it. If your going cross crounty with pull the powerslide and put in a OD unit and enjoy. For a all around enjoyable car I will take a 327/300 over anything.
I have this annoying tick in my right foot, I guess. LOL. But the 327/300 hp is pretty surprising even with a powerglide.

We do a fair amount of freeway driving here to get to the NHRA museum, Seal Beach, etc. Traffic flows at 70-75 unless you want to stay in the right two lanes and follow a ConRock truck and watch your windshield and paint get destroyed. With the stock tranny at 1:1 in high gear, at 70 mph it's humming along north of 3,000 RPM and I find myself pushing the shifter forward to get it into the next (nonexistent) gear.
Old 09-19-2017, 10:05 PM
  #8  
Randy G.
Race Director
Thread Starter
 
Randy G.'s Avatar
 
Member Since: May 2006
Location: Eagle, Idaho
Posts: 14,680
Received 552 Likes on 378 Posts

Default

It would be my labor, Stan. I have a hard time leaving things alone.
The following users liked this post:
Stan's Customs (09-19-2017)
Old 09-19-2017, 10:33 PM
  #9  
wolfman64
Drifting
Support Corvetteforum!
 
wolfman64's Avatar
 
Member Since: Jan 2008
Location: San Antonio Texas
Posts: 1,584
Received 319 Likes on 181 Posts
2020 C1 of the Year Finalist - Modified

Default

Originally Posted by Stan's Customs
Gen 1 and smooth idle...little horsepower.

LS and smooth idle, way plenty horsepower.

I've been fighting this issue for a several years.

Nothing will beat the all around hp and driveability these LS engine/trans. kits have.

I prefer the lower hp. LS 3 engine with 4L65 E kit, because I like the idle sound better than the with the bigger hp engines. Sounds just right imho...

I'm told its harder to hide the ecms than it is to wire it up(4 wires I think).

For now, I'm still old school. But if my currently planned up grades don't fix my low power and drive issues...then it may be an "L"agg,err,choke"S", for me too I guess...lol!

Cost about 17K in parts, including a Rick's Tank and pump, Be Kool or Dewitts radiator and Spal fan, upgraded exhaust and misc, when I was putting a pencil to it a few weeks back.

"Plus" your labor or someone elses...

Stan


LS3...4L65E...You will love it.
Old 09-19-2017, 11:58 PM
  #10  
ChattanoogaJSB
Le Mans Master
Support Corvetteforum!
 
ChattanoogaJSB's Avatar
 
Member Since: Oct 2009
Location: Chattanooga Tennessee
Posts: 5,866
Received 874 Likes on 537 Posts

Default

Yes, even though the road is well travelled you are opening a can of worms putting an LS in a car that you plan on keeping so many stock accessories with. The answers to making it all work are there but they aren't cheap and they aren't all stock appearing either.

Soinds like you should go with the gen 1.

I bet the AOD is going to make a bigger pleasure difference than the engine for your purposes.
The following 2 users liked this post by ChattanoogaJSB:
Randy G. (09-20-2017), Stan's Customs (09-20-2017)
Old 09-20-2017, 12:16 AM
  #11  
Randy G.
Race Director
Thread Starter
 
Randy G.'s Avatar
 
Member Since: May 2006
Location: Eagle, Idaho
Posts: 14,680
Received 552 Likes on 378 Posts

Default

Originally Posted by ChattanoogaJSB
Yes, even though the road is well travelled you are opening a can of worms putting an LS in a car that you plan on keeping so many stock accessories with. The answers to making it all work are there but they aren't cheap and they aren't all stock appearing either.

Soinds like you should go with the gen 1.

I bet the AOD is going to make a bigger pleasure difference than the engine for your purposes.
Probably should just do that first.
The following users liked this post:
Stan's Customs (09-20-2017)
Old 09-20-2017, 12:30 AM
  #12  
Vettrocious
Melting Slicks
Support Corvetteforum!
 
Vettrocious's Avatar
 
Member Since: Sep 2009
Location: MI
Posts: 3,110
Received 1,119 Likes on 575 Posts
2023 C2 of the Year Finalist - Unmodified
2022 C2 of the Year Finalist - Unmodified
2017 C2 of Year Finalist

Default

GM makes few sixes with more horsepower that the 327-300 these days, throw a crate version of one of those in there...
Old 09-20-2017, 01:00 AM
  #13  
Westlotorn
Le Mans Master
Support Corvetteforum!
 
Westlotorn's Avatar
 
Member Since: Feb 2008
Location: Folsom CA
Posts: 5,677
Received 1,272 Likes on 813 Posts

Default

Just switching to the 700R4 or 4L60/65 would be a game changer. First gear launch would be far more powerful than the power glide. The .72 overdrive would get you close to 2,000 RPM at 70 mph. It is your car so no right or wrong way.
The following 2 users liked this post by Westlotorn:
Randy G. (09-20-2017), Stan's Customs (09-20-2017)
Old 09-20-2017, 01:23 AM
  #14  
Randy G.
Race Director
Thread Starter
 
Randy G.'s Avatar
 
Member Since: May 2006
Location: Eagle, Idaho
Posts: 14,680
Received 552 Likes on 378 Posts

Default

Originally Posted by Westlotorn
Just switching to the 700R4 or 4L60/65 would be a game changer. First gear launch would be far more powerful than the power glide. The .72 overdrive would get you close to 2,000 RPM at 70 mph. It is your car so no right or wrong way.

Took this while driving my '62 with a 700R4, lock-up converter, 3.36 rear gear, 65 miles per hour. 1,990 RPM.



Old 09-20-2017, 05:56 AM
  #15  
Crunch527
Drifting
 
Crunch527's Avatar
 
Member Since: Mar 2011
Location: Iowa
Posts: 1,379
Received 175 Likes on 111 Posts

Default

Originally Posted by Westlotorn
Just switching to the 700R4 or 4L60/65 would be a game changer. First gear launch would be far more powerful than the power glide. The .72 overdrive would get you close to 2,000 RPM at 70 mph. It is your car so no right or wrong way.
What rear gear are you running? If you swap to an OD trans, I'd look at rear gear you have now and see if there is room to go with a lower gear (3:73 or 4:11) and not hurt your cruising rpms.

A new OD trans with the right rear gear will make that car a whole different animal.

From there you can decide if you want to go through all the *** pain of swapping in an LS3.

Cheers,

Crunch
Old 09-20-2017, 10:34 AM
  #16  
tuxnharley
Race Director
Support Corvetteforum!
 
tuxnharley's Avatar
 
Member Since: Aug 2004
Location: NorCal
Posts: 13,960
Received 1,937 Likes on 1,183 Posts

Default

Originally Posted by Vettrocious
GM makes few sixes with more horsepower that the 327-300 these days, throw a crate version of one of those in there...
Noooooooo! It would never sound the same! Heresey! If you want a 6 just wait for the next generation twin turbo V6 Cx....
Old 09-20-2017, 12:52 PM
  #17  
Randy G.
Race Director
Thread Starter
 
Randy G.'s Avatar
 
Member Since: May 2006
Location: Eagle, Idaho
Posts: 14,680
Received 552 Likes on 378 Posts

Default

A 700R4 has a 3.06 low gear. With a 3.36 rear end gear mine's going into second before you clear the intersection. It's almost too much low gear. The drop to second snaps your neck if your on the throttle. 3.06 1st gear to 1.62 2nd gear is a heck of a dump.

The 2004R has a 2.74 1st and a 1.57 2nd gear so the drop is NOT as severe.

[Edited]

Last edited by Randy G.; 09-20-2017 at 02:49 PM.

Get notified of new replies

To Crate motor options as I rethink all this.

Old 09-20-2017, 01:15 PM
  #18  
Stan's Customs
Melting Slicks
Support Corvetteforum!
 
Stan's Customs's Avatar
 
Member Since: Jan 2005
Location: Texas
Posts: 3,021
Received 88 Likes on 66 Posts

Default

(Type-o) ...is "not" as severe
The following users liked this post:
Randy G. (09-20-2017)
Old 09-20-2017, 06:39 PM
  #19  
Randy G.
Race Director
Thread Starter
 
Randy G.'s Avatar
 
Member Since: May 2006
Location: Eagle, Idaho
Posts: 14,680
Received 552 Likes on 378 Posts

Default

So why is Bowtie's 400+ HP 200-4R $1,6XX and the converters are on sale for free, and Art Carr's are $2,1XX and the converter is north of $580? For starters, it could be because the industrial building rent between Hesperia, CA and Huntington Beach, CA, is triple in HB.
Old 09-20-2017, 08:06 PM
  #20  
Mike Terry
Le Mans Master
 
Mike Terry's Avatar
 
Member Since: Mar 2005
Location: Greenwood In.
Posts: 6,977
Received 270 Likes on 202 Posts

Default

Randy G you have the TWIN to my Sunfire Yellow 67 A/C Automatic car. Keep it as is.



I have put almost 300 mls. on it. Now up to 15530


Last edited by Mike Terry; 09-20-2017 at 08:07 PM.

Thread Tools
Search this Thread
Quick Reply: Crate motor options as I rethink all this.



All times are GMT -4. The time now is 12:50 AM.