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11/28/10 8:48am - Original Message: 'Stroker HP'
rod7515 Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic

Joined: 10/27/2006
Posts: 1172
I am considering having a stroker built for in my 72 Convertible. I thought something that would develop around 400 HP. I know I have to use the performer intake for hood clearance reasons and was wondering what others are using for cams, heads and carb combinations. I am thinking with a stroker motor I shouldnt have to go to radical on a cam and would like to stay with something that is very driveable and will allow for plenty of vacuum. I have a bowties 2004r trans ready that is rated to handle 450/500 HP and 400/450 lbs torque. I will also be changing to 355 gears with a posy unit. Looking forward to your suggestions as I hope to start buying parts so I can assemble the motor for early spring installation. 
Rodney


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11/29/10 12:54am - Reply: 'Stroker HP'
rearn2go72
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Bladenboro, NC - USA

Vette(s):
1972 conv., sunfire yellow, blk interior, blk vinyl and convertible top. Off frame restoration with American Speed 383 stroker engine producing 500hp plus a 200hp NOS system. MSD ignition. Hooker super competition headers with chambered exhaust.

Joined: 1/22/2006
Posts: 1058
My stroker has AFR 190 stage II heads with 750 Holly carb. Came from American speed with Comp 232/232 cam but I changed it to Comp part # 12-000-8 because I wanted a little more thump.


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11/29/10 1:27pm - Reply: 'Stroker HP'
VetteSpecialties
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Mounds View, MN - USA

Vette(s):
70 LT1 coupe, 69 350 HP coupe, 69 390HP 427 coupe, 71 LS5 convert, 85 coupe, 93 coupe

Joined: 5/24/2007
Posts: 1031
You can't go wrong with the GM crate motors.  They sell a 383 complete motor, and I believe they also have a long block so you can add the intake you need to fit.

Larry


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11/29/10 9:04pm - Reply: 'Stroker HP'
rod7515 Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic

Joined: 10/27/2006
Posts: 1172
I just spoke to edelbrock about combinations to get a 400 hp stroker. Bottom line he said is he can get me close but with being limited to the performer intake due to hood clearance it wasnt really possible. He said that intake will make great low end but not high end. I would have to go to a RPM intake and the clearance is not there. He highly recommends a roller cam, #22085 with RPM heads #60899. Just those 2 parts would run right around $2000 and I can buy a GM crate motor for just a little more. I really wanted to keep my money here in a local machine shop but it might not be the right thing. A little disappointing. 

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11/29/10 10:43pm - Reply: 'Stroker HP'
Jaws79 Lifetime Member
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Sykesville, MD - USA

Vette(s):
1979 Corvette Coupe Corvette Light Blue Midnight Blue interior Mirrored Glass T-tops

Joined: 4/27/2008
Posts: 4211
Hey, Rodney, you gotta do whats best (and most economical) for you. Besides, don't the crate motors have a warranty? Thats a BIG plus.
 
Barry
 
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11/30/10 7:38pm - Reply: 'Stroker HP'
longhorn294 Lifetime Member
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DeBerry, TX - USA

Vette(s):
1971 383 Stroker- mille miglia red...5 speed

Joined: 2/27/2002
Posts: 998
 Hey Rodney,  Edlebrock was right about the Performer intake limiting what you can get out of a 383. I just got my engine back from the builder using a Performer (because of the clearance) with new Iron Eagle Platinum heads 200cc runners, 72cc and 202 intake valves, forged Mahle pistons and a 228/235 472 lift 110 lobe center w/4 degree advance cam. Best he could get with the HEI ign on the dyno was 386 hp @ 5300 and 425.2 torque @ 4200 rpm. Not as much as I was hoping for but a heck of a lot better than anything I've had! It'll be strong on bottom and mid range with the torque.
 You could probably spend less with a crate and get a warranty like Barry said. Only thing is, I know how this was built. Should be running tomorrow. Let you know how it feels. Maybe add a 50 or 100 shot NOS later or change the hood for more clearance and a better intake. Thumbs Up


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11/30/10 8:01pm - Reply: 'Stroker HP'
rod7515 Lifetime Member
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Red Lion, PA - USA

Vette(s):
1974 White 350 Corvette, TH400 Automatic 1972 Tangerine /Go Mango Convertible 383 Stroker, 2004r Automatic

Joined: 10/27/2006
Posts: 1172
Dwain,
Thats a good lookin 71 you have there. I think my favorite part of the late 60's early 70's is the louvers on the side. I know what you are talking about when you say you know how it was build. The engine builder I use has a GM crate motor right now that he says the cam bearings were in wrong. He didnt show me what he meant by that but he said he sees it alot. Is your cam a roller cam. Edelbrock really pushed me towards them. Said its really the only way to go in todays engine builds. The problem I have with that is the amount a money it takes to go that route. Thanks for your input.
Rodney


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11/30/10 9:05pm - Reply: 'Stroker HP'
rearn2go72
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Bladenboro, NC - USA

Vette(s):
1972 conv., sunfire yellow, blk interior, blk vinyl and convertible top. Off frame restoration with American Speed 383 stroker engine producing 500hp plus a 200hp NOS system. MSD ignition. Hooker super competition headers with chambered exhaust.

Joined: 1/22/2006
Posts: 1058
[QUOTE=longhorn294] Hey Rodney,  Edlebrock was right about the Performer intake limiting what you can get out of a 383. I just got my engine back from the builder using a Performer (because of the clearance) with new Iron Eagle Platinum heads 200cc runners, 72cc and 202 intake valves, forged Mahle pistons and a 228/235 472 lift 110 lobe center w/4 degree advance cam. Best he could get with the HEI ign on the dyno was 386 hp @ 5300 and 425.2 torque @ 4200 rpm. Not as much as I was hoping for but a heck of a lot better than anything I've had! It'll be strong on bottom and mid range with the torque.
 

I don't quite understand how the Performer intake can restrict you that much. I have the same intake and my engine is making 505HP and 510 lbs torque at 4200 rpm.


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11/30/10 10:11pm - Reply: 'Stroker HP'
yostusota
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top

Joined: 5/18/2010
Posts: 1518
Hey Rodney I haven't told you this yet but the guy next door to me is a GM rep that sells GM performance parts..I can see if he can get you a real price on a stroker..get me the part number out of the GM catalog you want and I will ask him..I don't pay list for nuttin!!! Wink
Rich
 
 
 
Years ago when I was a teenager my Granddad said to me " It's not what you know it's who you know"  it took me along time to realize what that really meant and since I allready new everything at the time I didn't listen but I did remember what he said and how he gripped my arm real tight when he did.
yostusota2010-11-30 19:14:37

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12/1/10 12:45am - Reply: 'Stroker HP'
longhorn294 Lifetime Member
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DeBerry, TX - USA

Vette(s):
1971 383 Stroker- mille miglia red...5 speed

Joined: 2/27/2002
Posts: 998
[QUOTE=rearn2go72]
 

I don't quite understand how the Performer intake can restrict you that much. I have the same intake and my engine is making 505HP and 510 lbs torque at 4200 rpm.
[/QUOTE]
  Jim, are you sure you have the plain Performer intake and not a Performer RPM or Performer Air-Gap? With that LT1 hood you would have room for one of those taller intakes.
  Rodney,  My cam is a hyd flat tappet. Roller cam is the way to go if you can afford the extra bucks. It would free up some poneys for sure, but i still think that intake would be restricting. I could be wrong. longhorn2942010-11-30 21:52:26

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12/1/10 1:28am - Reply: 'Stroker HP'
rearn2go72
Former Member
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Bladenboro, NC - USA

Vette(s):
1972 conv., sunfire yellow, blk interior, blk vinyl and convertible top. Off frame restoration with American Speed 383 stroker engine producing 500hp plus a 200hp NOS system. MSD ignition. Hooker super competition headers with chambered exhaust.

Joined: 1/22/2006
Posts: 1058
[QUOTE=longhorn294][QUOTE=rearn2go72]
 


  Jim, are you sure you have the plain Performer intake and not a Performer RPM or Performer Air-Gap? With that LT1 hood you would have room for one of those taller intakes.
  Rodney,  My cam is a hyd flat tappet. Roller cam is the way to go if you can afford the extra bucks. It would free up some poneys for sure, but i still think that intake would be restricting. I could be wrong. [/QUOTE]


I have the Performer 2101.



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12/1/10 9:47am - Reply: 'Stroker HP'
longhorn294 Lifetime Member
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DeBerry, TX - USA

Vette(s):
1971 383 Stroker- mille miglia red...5 speed

Joined: 2/27/2002
Posts: 998
[QUOTE=rearn2go72] [QUOTE=longhorn294][QUOTE=rearn2go72]
 


  Jim, are you sure you have the plain Performer intake and not a Performer RPM or Performer Air-Gap? With that LT1 hood you would have room for one of those taller intakes.
  Rodney,  My cam is a hyd flat tappet. Roller cam is the way to go if you can afford the extra bucks. It would free up some poneys for sure, but i still think that intake would be restricting. I could be wrong. [/QUOTE]


I have the Performer 2101.

[/QUOTE]
 Jees Louise! What else you got under there makin that kind of hp? Cam, heads, carb, etc? I'd really like to know what combination you have to get that power.

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12/1/10 10:09am - Reply: 'Stroker HP'
Jaws79 Lifetime Member
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Sykesville, MD - USA

Vette(s):
1979 Corvette Coupe Corvette Light Blue Midnight Blue interior Mirrored Glass T-tops

Joined: 4/27/2008
Posts: 4211
[QUOTE=yostusota]Hey Rodney I haven't told you this yet but the guy next door to me is a GM rep that sells GM performance parts..I can see if he can get you a real price on a stroker..get me the part number out of the GM catalog you want and I will ask him..I don't pay list for nuttin!!! Wink
Rich
 
 
 
Years ago when I was a teenager my Granddad said to me " It's not what you know it's who you know"  it took me along time to realize what that really meant and since I allready new everything at the time I didn't listen but I did remember what he said and how he gripped my arm real tight when he did.
[/QUOTE]
Rich, I'll remember you if and when I need to upgrade my powerplant. Hopefully not in the NEAR future, as I have enough going on right now!
Barry
 
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12/2/10 10:25am - Reply: 'Stroker HP'
lukesvette Lifetime Member
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HOWELL, NJ - USA

Vette(s):
1979, Targa Blue (72 Color), Pace Car rear spoiler, L88 hood, Dark blue factory interior, 525HP 406, HD 700R4, 370 gears,Steeroids, composite rear spring, TT IIs wrapped in T/A Radials.

Joined: 5/18/2004
Posts: 6804
Small blocks make a lot of power if you build them right. My 406 is pushing over 500/500 and runs on pump gas!!

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12/2/10 11:22am - Reply: 'Stroker HP'
KeBo
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Kendall Park, NJ - USA

Vette(s):
1981 - 59 Beige over Cinnebar leather. Edlebrock top end, 2200 stall w/shift kit, 3:55s, Mufflex maniback exhaust, nice stereo, 16 in AREs w/BFGs

Joined: 3/9/2005
Posts: 789
Were in each others neighborhood.  A good friend of mine has a 383 he just pulled froom his box nova.  He was pulling mid-12s. The motor is frsh and I think he still has it up for sale.  Its a great street motor.
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