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88' Foxbody GT Engine Tips

  • Thread starter Thread starter drefrmdasouthbay
  • Start date Start date Mar 19, 2025
D

drefrmdasouthbay

New Member
Mar 19, 2025
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San Jose Ca
Mar 19, 2025
#1
  • Mar 19, 2025
  • #1
I purchased a 88' Foxbody Gt this past year and the engine is on its way out. What are some tips for building a new engine or buying a crate engine? I was thinking of getting a Fuel injected 347 crate from blueprint engines but that route seems a bit costly any tips on a good street engine setup that make around 400hp-450hp that isn't as costly as spending 15 g's on a crate engine.
 

AeroCoupe

lube between the nut and the face. I know my lubes
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#2
  • Mar 19, 2025
  • #2
400-450 fwhp or rwhp?
 

Rdub6

So while I wait to figure out my rear end issues
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#3
  • Mar 19, 2025
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What’s the cost from Blueprint ? They’re $15k ?

Are you able to do the work yourself as far as install?
 

85GTStangGuy

5 Year Member
May 19, 2021
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Jax, Florida
Mar 20, 2025
#4
  • Mar 20, 2025
  • #4
Here's a fully dressed efi'd 415hp BluePrint motor for a 'lil over 9 grand....

Ford Small Block Compatible 347 c.i. Engine - 415 Horsepower - Deluxe Dressed - Rear Sump - Fuel Injected

BluePrint Engines 302 c.i. small block Ford style crate engine - longblock. Includes 30 month / 50,000 warranty & BPE Dyno Promise. Part #: BP3479RCTFD
blueprintengines.com

Those motors are okay for Kalifornia???
 
Reactions: drefrmdasouthbay
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drefrmdasouthbay

New Member
Mar 19, 2025
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San Jose Ca
Mar 20, 2025
#5
  • Mar 20, 2025
  • #5
AeroCoupe said:
400-450 fwhp or rwhp?
Click to expand...
400-450 rwhp
 
D

drefrmdasouthbay

New Member
Mar 19, 2025
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San Jose Ca
Mar 20, 2025
#6
  • Mar 20, 2025
  • #6
Rdub6 said:
What’s the cost from Blueprint ? They’re $15k ?

Are you able to do the work yourself as far as install?
Click to expand...
The 347 I was looking at came out to about $12,200. I would like to install it by myself but I don't have space nor time to do it. I was overall just rounding up the price for the overall labor and engine work.
 
D

drefrmdasouthbay

New Member
Mar 19, 2025
4
0
1
San Jose Ca
Mar 20, 2025
#7
  • Mar 20, 2025
  • #7
85GTStangGuy said:
Here's a fully dressed efi'd 415hp BluePrint motor for a 'lil over 9 grand....

Ford Small Block Compatible 347 c.i. Engine - 415 Horsepower - Deluxe Dressed - Rear Sump - Fuel Injected

BluePrint Engines 302 c.i. small block Ford style crate engine - longblock. Includes 30 month / 50,000 warranty & BPE Dyno Promise. Part #: BP3479RCTFD
blueprintengines.com

Those motors are okay for Kalifornia???
Click to expand...
These motors aren't legal in cail but I don't really care at this point. I told myself if I'm putting over 10 g's in a build I want it to be how I want it not by california's standards.
 

AeroCoupe

lube between the nut and the face. I know my lubes
Founding Member
Oct 28, 2001
5,806
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Claremore, OK
Mar 20, 2025
#8
  • Mar 20, 2025
  • #8
So my 331 is built pretty well and it dyno'd 450ish on an engine dyno. You are going to have to spend some coin to get 400-450 rwhp.
 

85GTStangGuy

5 Year Member
May 19, 2021
998
625
113
Jax, Florida
Mar 20, 2025
#9
  • Mar 20, 2025
  • #9
drefrmdasouthbay said:
These motors aren't legal in cail but I don't really care at this point. I told myself if I'm putting over 10 g's in a build I want it to be how I want it not by california's standards.
Click to expand...

Doesn't that mean you can't get a tag?

Or maybe register it in another state...
 

gkomo

now i can hopefully expect to receive the shaft
Aug 2, 2024
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1,373
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San Diego, CA
Mar 21, 2025
#10
  • Mar 21, 2025
  • #10
AeroCoupe said:
So my 331 is built pretty well and it dyno'd 450ish on an engine dyno. You are going to have to spend some coin to get 400-450 rwhp.
Click to expand...
Agreed. My old 'built' 331 was probably $8k+ 15 years (parts/labor) ago buying the heads and intake used and i was probably putting out 100 less hp than AeroCoupe.
 

Gibson17

Member
Oct 25, 2000
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Masshole
Mar 21, 2025
#11
  • Mar 21, 2025
  • #11
I have a 347 and if I were to do it again, I'd go 351w based. Can handle more HP. Albeit the HP levels you're talking about you should be just fine. Good luck with your project.
 

AeroCoupe

lube between the nut and the face. I know my lubes
Founding Member
Oct 28, 2001
5,806
3,941
183
Claremore, OK
Mar 21, 2025
#12
  • Mar 21, 2025
  • #12
At those power levels a person is pushing a stock block. Definitely keeps the revs below 6200 rpm.
 

Noobz347

Stangnet Facilities Maint Tech... Er... Janitor
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Jan 4, 1985
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Box behind Walmart
Apr 5, 2025
#13
  • Apr 5, 2025
  • #13
Blueprint uses their own 4-bolt blocks.
 
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