95 cpi to 5.7L mpi - need help
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Topic author - I finally get the smurf thing
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95 cpi to 5.7L mpi - need help
I am contemplating either turboing my existing 4.3L or dropping in a mpi 5.7L v8.
The van right now is cpi injection (which sucks) so it's either go backwards to tbi (thanks to lockdocs writeup) or go really far back to carbed or jump into the 21st century and go full blown multiport injection.
My problem is I cannot find any info on how to change to mpi or direct injection or whatever its called now days.
Any help would be super appreciated...
Gordon
The van right now is cpi injection (which sucks) so it's either go backwards to tbi (thanks to lockdocs writeup) or go really far back to carbed or jump into the 21st century and go full blown multiport injection.
My problem is I cannot find any info on how to change to mpi or direct injection or whatever its called now days.
Any help would be super appreciated...
Gordon
1995 GMC Safari 5.7L RICE EATER... MUHAHAHAHA
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Re: 95 cpi to 5.7L mpi - need help
TBI is not a step backward. It's just another way of getting fuel into the engine. From my research there is an opinion among some motor heads that it is better than MPI.
1996 Safari SLX Hotair balloon transport vehicle
Re: 95 cpi to 5.7L mpi - need help
Like how the factory TBI 4.3s build torque right off idle.Smiliesafari wrote:TBI is not a step backward. It's just another way of getting fuel into the engine. From my research there is an opinion among some motor heads that it is better than MPI.
98 Safari RWD. Stock.
Do you smell what Barack is cookin ?!?!
Do you smell what Barack is cookin ?!?!
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Topic author - I finally get the smurf thing
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- Joined: Wed Jun 06, 2007 5:20 pm
- Location: Canada
Re: 95 cpi to 5.7L mpi - need help
I always had issues with my tbi vans... rough idle, running realllllly rich when cold and hesitation when at normal temp.
This CPI van though.... when you say go it really gets up and goes.
This particular engine has the neatest sound when you gun it... i'll have to get a vid for you guys some day when the snow goes away as I just can't explain the sound.
This CPI van though.... when you say go it really gets up and goes.
This particular engine has the neatest sound when you gun it... i'll have to get a vid for you guys some day when the snow goes away as I just can't explain the sound.
1995 GMC Safari 5.7L RICE EATER... MUHAHAHAHA
Re: 95 cpi to 5.7L mpi - need help
So, Just drive it and play with your other toys
'04 White AWD Astro cargo
'00 Astro / El Camino
'61 BSA Super Rocket
'71 BSA B50 engine in a '67 C25 250 chassis
Impossible is just a degree of difficulty....
'00 Astro / El Camino
'61 BSA Super Rocket
'71 BSA B50 engine in a '67 C25 250 chassis
Impossible is just a degree of difficulty....
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Topic author - I finally get the smurf thing
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- Joined: Wed Jun 06, 2007 5:20 pm
- Location: Canada
Re: 95 cpi to 5.7L mpi - need help
I don't like my other toys.... 92 aerostar = POS Ford .... 89 mazda mx6 gt turbo is parked for the winter and my big ass chevy 20 cargo van is being a pain in the ass being as its on propane.
5.5 months till we move and i get a garage again
5.5 months till we move and i get a garage again
1995 GMC Safari 5.7L RICE EATER... MUHAHAHAHA
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Re: 95 cpi to 5.7L mpi - need help
so was there a verdict? can u run a 5.7 from say a 1997 in a 1995 with CPI and keep the fuel injection?
1995 Black LT AWD
2000 Ninja ZX-6R
2003 Mazdaspeed Protege (spicy)
1961 Impala...gone but not forgotten.
http://www.propertystation.ca/
2000 Ninja ZX-6R
2003 Mazdaspeed Protege (spicy)
1961 Impala...gone but not forgotten.
http://www.propertystation.ca/
Re: 95 cpi to 5.7L mpi - need help
The best bet is to get an 88-95 TBI motor from a fullsize van or truck. You can swap in the V8 chip from the computer and there is a only a few wires needed to be changed/spliced to fit the CPI injection wires to the TBI. Lockdoc did a write up a few years ago in his 93 CPI van when he swapped in a TBI. Maybe it's still around or he has it stored somewhere.
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Re: 95 cpi to 5.7L mpi - need help
Or if you really have a hard-on for MPI, find yourself a complete vehicle (scrap yard etc) and swap out the engine/tranny/'puter and wiring. Unless you screw up, you shouldn't have any issues!
"Just keep swimming..."
97' 4wd Safari
ZZ 502 Ramjet
4"L"80E/NP241C
Ford 9"
Kinky is using a feather.
Perverted is using the whole chicken.
"Laws that forbid the carrying of arms... disarm only those who are neither
inclined nor determined to commit crimes".
- Thomas Jefferson
97' 4wd Safari
ZZ 502 Ramjet
4"L"80E/NP241C
Ford 9"
Kinky is using a feather.
Perverted is using the whole chicken.
"Laws that forbid the carrying of arms... disarm only those who are neither
inclined nor determined to commit crimes".
- Thomas Jefferson
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Topic author - I finally get the smurf thing
- Posts: 149
- Joined: Wed Jun 06, 2007 5:20 pm
- Location: Canada
Re: 95 cpi to 5.7L mpi - need help
Personally The only thing I like about MPI is the "easy to boost" fact apposed to tbi or carb being a major pain in the arse.
I will most likely just go backwards to tbi as i have lokdocs writeup on it... even i can handle that wiring :P
I will most likely just go backwards to tbi as i have lokdocs writeup on it... even i can handle that wiring :P
1995 GMC Safari 5.7L RICE EATER... MUHAHAHAHA
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- I sleep in my van
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Re: 95 cpi to 5.7L mpi - need help
peter wrote: Unless you screw up, you shouldn't have any issues!
1995 Black LT AWD
2000 Ninja ZX-6R
2003 Mazdaspeed Protege (spicy)
1961 Impala...gone but not forgotten.
http://www.propertystation.ca/
2000 Ninja ZX-6R
2003 Mazdaspeed Protege (spicy)
1961 Impala...gone but not forgotten.
http://www.propertystation.ca/