IB/OB Rebuild - SaltwaterCentral.Com

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kicker30
Posts: 290
Location: Walnut Cove
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Sat Feb 09, 2019 4:59 pm
The time has come for a rebuild on the 7.4L Volvo Penta in my Carolina Classic. Anyone have any recommendations on where to get it done? I can get the engine pulled and reinstalled myself but am interested in any advice, good or bad, about any shops that yall have used or have direct knowledge of for the rebuild. I am in the Winston-Salem, NC area but do not mind some travel or shipping to get it done right. I am also not particularly interested in rebuild to factory specs either, as the 7.4L is borderline for that hull power wise and Id like to gain some with the rebuild, even if it means ditching the fuel injection and going with a carb. Ive found a shop in SC, Carolina Machine Engines, that offers a couple performance minded stroker rebuilds that sound like good options and seem to be reasonably priced, anyone have any experience with those folks?  
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LookinToHookem
Posts: 684
Location: Elm City
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Sat Feb 09, 2019 5:22 pm
https://www.buckhornboatdoc.com/


Give Bob a call before you make a final decision. Great guy and verrrry knowledgeable!
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Speedtroll07
Posts: 15
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Sat Mar 02, 2019 8:09 pm
I'd have to 2nd that for Bob, he did a complete rebuild on a 70hp evinrude outboard for me about 2 yrs ago. He was very thourogh and a straight shooter through the whole process. I have no doubt your 7.4 be solid for many more years when he's done.

I also had some wiring issues from having steering and throttle cables replaced at a well known shop in Fayetteville NC. They just slapped everything back together in a jumbled mess with no ryhym or reason. Bob was able to trouble shoot my issues in about 15 mins. As I had bought the boat used and am not the most mechically inclined, he took the time to sort out the wiring with me there making sure I knew what everything was for.
  
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BarryTurano
Posts: 2863
Location: Wilmington NC
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Sat Mar 02, 2019 10:06 pm
Mikes Marine in Hampstead Mike Triolo. Did a great job on my 5.0 to 5.7.
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kicker30
Posts: 290
Location: Walnut Cove
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Sat Mar 02, 2019 10:33 pm
Thanks for the suggestions. Ive got it at a shop outside out Charlotte being rebuilt so figuring out the where is done. Barry, do I remember correctly that you had a lot of problems with the EFI on a VP and swapped to a carb instead? If so what all did you have to do for the swap? I assume in addition to the obvious intake and carb, probably new distributor, fuel pump and regulator, remote fuel filter, some new fuel lines from pump on, anything else? Also, how did you handle the wiring, pull the EFI harness and just do new runs for gauges and ignition or just selectively use parts of the original harness and supplement with new as needed? Ive had issues with the original EFI and am having the engine rebuilt with quite a bit more power, so it wont work without custom tuning anyway so Im going to a carb instead for simplicity.  
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BarryTurano
Posts: 2863
Location: Wilmington NC
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Sun Mar 03, 2019 12:01 am
My EFI was throttle body so the carb bolted to the intake. I changed the harness, got rid of all the sensors put on a HEI ignition. Kept the low pressure electric fuel pump. After all that motor still ran like crap. Mike did a leak down was probably run in on 5 cyliders. First 3 that he checked were bad. Went to a 5.7 long block. Cost me $5000 installed. Last modification was changing the wheels. Went from D5 to I4 to I3. Cruise at 3460 rpms. 25 mph 11.2 gph.. Finally happy. With a carb you can always get in. With the EFI you blow a sensor your not going anywhere. A well tuned carb is as efficient as fuel injection. May take a little longer to warm up.
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kicker30
Posts: 290
Location: Walnut Cove
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Sat Apr 06, 2019 8:36 pm
Barry, do you recall what type of threads the low pressure fuel pump had on the outlet side?  
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BarryTurano
Posts: 2863
Location: Wilmington NC
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Sun Apr 07, 2019 2:29 am
kicker30 wrote:
Barry, do you recall what type of threads the low pressure fuel pump had on the outlet side?


To be totally honest, I have absolutely no idea. Sorry.
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Curmudgeon
Posts: 1391
Location: Faith/Southport
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Sun Apr 07, 2019 3:00 am
Barry, you wouldn't still have the TBI harness, would you?  
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BarryTurano
Posts: 2863
Location: Wilmington NC
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Sun Apr 07, 2019 1:23 pm
Unfortunately no. Sad tale Someone up in VA contacted me about the leftover parts TBI, Harness, VST, etc. He was going to buy them. I shipped them up to him. He was going to take what he could use and pay for them. He is a firefighter. He had everything in his vehicle which got stolen and the box with the parts was never recovered. He wanted to pay me for the parts, in all good conscience, I could not accept anything. After all the parts were just sitting in a box. They were of no use to me. I would have just taken whatever it cost to ship them up. I know it was true because he wound up repowering his boat. He has a 27 Albe, he keeps it near Hatteras I think. Real nice guy. We still talk.
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Curmudgeon
Posts: 1391
Location: Faith/Southport
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Sun Apr 07, 2019 4:36 pm
Next Q: when you had your anchor hatch made, do you recall what radius was used for the bow curvature? Thanx, again ...  
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BarryTurano
Posts: 2863
Location: Wilmington NC
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Sun Apr 07, 2019 7:25 pm
I did not take the curviture into consideration. It was to small of an area to make a difference. I will search back and find the drawing that I sent to the fabricator.
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BarryTurano
Posts: 2863
Location: Wilmington NC
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Sun Apr 07, 2019 8:49 pm
Attached is the drawing that I sent to Fin-Addict Marine they are in Benson NC. Phone: (919) 989-6813
The guy that I dealt is LM Barbour
Hope this helps. Give me a call if you need anything 631-834-4511
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IB/OB Rebuild - SaltwaterCentral.Com

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