Max safe boost for IDI 7.3 Factory Turbo?? - Ford Powerstroke Diesel Forum
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post #1 of 19 Old 02-09-2008, 07:13 PM Thread Starter
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Max safe boost for IDI 7.3 Factory Turbo??

Just wondering what the safe max boost a 7.3 IDI Factory Turbo can handle?? I am going to put a gauge on it and I have a little "boost gain" trick but I need to know what it can handle safely. Any comments or suggestions would be appreciated!!

Fletcher
'90 F250 Supercab IDI 7.3
Banks Sidewinder Turbo
4'' straight pipe
116,000 miles

'94 F250 single cab IDI Factory Turbo 7.3
3'' banks down pipe
Banks pyrometer
3 1/2'' straight pipe
K&N Air filter
Hypermax air intake
Hydrogen Generator
Pump turned up
Timing advanced
315,000 miles!



'89 F250 4x4 supercab 7.3 IDI
4'' exhaust
pump turned way up!!!
297,000 miles
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post #2 of 19 Old 02-09-2008, 09:42 PM
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i hear 17psi. mine hits 13 regularly no problems

1995 IDI f350 4x4 8 inch lift new paint stacks:whistle:
It's not leaking oil, it's sweating horsepower.
2005 VW beetle diesel 36000 miles 50 mpg you should all buy one
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post #3 of 19 Old 02-10-2008, 10:22 AM
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i can hit 19, at wot. thats with my p.o.s. tuner in the high side.

Chuck
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post #4 of 19 Old 02-10-2008, 10:26 AM
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i hear my buddies with out aftermarket turbos itnt 22 loaded and stuff. i am at stock at this time and i hit 15 when dump the fuel to it.

-Josh

2008 2500 LMM- Deleted, Blocked, Fueled, & Tuned by:
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post #5 of 19 Old 02-10-2008, 10:30 AM
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i wouldnt take an IDI much over 15-17.......with the compression ratio being higher anything above that and your really risking damage to cylenders.....#7 is usually the first to go...
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post #6 of 19 Old 02-10-2008, 11:42 AM
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my banks only goes to about 14-15 on my truck if more was good I'm sure banks would have dailed it in
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post #7 of 19 Old 02-12-2008, 06:48 PM Thread Starter
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Thanks for all the great info.!

Fletcher
'90 F250 Supercab IDI 7.3
Banks Sidewinder Turbo
4'' straight pipe
116,000 miles

'94 F250 single cab IDI Factory Turbo 7.3
3'' banks down pipe
Banks pyrometer
3 1/2'' straight pipe
K&N Air filter
Hypermax air intake
Hydrogen Generator
Pump turned up
Timing advanced
315,000 miles!



'89 F250 4x4 supercab 7.3 IDI
4'' exhaust
pump turned way up!!!
297,000 miles
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post #8 of 19 Old 02-14-2008, 10:43 PM
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'92 IDI 7.3 wearing a Banks Sidewinder, exhaust, gauges, maxxes out @ 15 psi when everything's working right. Seem to have to change the blower seal (just an O-ring) every few months, but it's always easy to see when it's due - starts blowing by the seal and max boost drops to 10.
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post #9 of 19 Old 02-15-2008, 01:39 PM
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I can see you guy`s talking 15... 17... 19 psi boost on a 7,3 IDI, anyone who has
run a dyno? how mouch hp tourq ??
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post #10 of 19 Old 02-15-2008, 05:14 PM
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Quote:
Originally Posted by 7,3idipower View Post
I can see you guy`s talking 15... 17... 19 psi boost on a 7,3 IDI, anyone who has
run a dyno? how mouch hp tourq ??
No dyno but my Banks gauge that came with the sidewinder stops at 15psi and I can peg that at 15 if I get on the gas
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