Anyone know the differences between these two
Injectors??
1985-88 350 GM p/n 10108481
and
1987-88 350 GM p/n 17111961
I would appreciate any information on these
injectors.
Thanks

 

I think the older ones are the pintle type, and the newer ones are the ball type.

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'88 IROC TPI 355, '69 truck 4-bolt, fully balanced, 9.75:1 compression, fully ported '70 truck heads(for now), Harland Sharp 1.6 Roller Rockers, Comp Cams CS 252AH-12, ported '86 TPI converted to speed density, Crane AFPR, Flowmaster 3in. exhaust, Edelbrock TES headers, all emissions equipment is still intact, plan on burning my own chips, many more mods and parts on the way as time and money permits =(
Best E.T. with TBI 305: 16.11 @ 82mph
Haven't been to track with new motor
If you have any questions on converting from TBI to TPI email me at jdkchevy70@yahoo.com
In memory of Dale Earnhardt, I'll miss cheering for that black #3 on raceday!!!

 

Thats not quite the reply I need. Why can't
you use both p/n's on a 305 TPI? Iam going
with the 350 and Iam having a problem finding
the correct P/n.

 

You can use them on 305 they just didn't come on a 305 because they don't need as much fuel. I mean, they'll work. The first injector you listed is made by Lucas, 350, #22. Second is AC, 350, #22. 305 injectors are #19.
What exactly are you asking? Do you want to know what type of injector to run on your 350?

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'88 IROC TPI 355, '69 truck 4-bolt, fully balanced, 9.75:1 compression, fully ported '70 truck heads(for now), Harland Sharp 1.6 Roller Rockers, Comp Cams CS 252AH-12, ported '86 TPI converted to speed density, Crane AFPR, Flowmaster 3in. exhaust, Edelbrock TES headers, all emissions equipment is still intact, plan on burning my own chips, many more mods and parts on the way as time and money permits =(
Best E.T. with TBI 305: 16.11 @ 82mph
Haven't been to track with new motor
If you have any questions on converting from TBI to TPI email me at jdkchevy70@yahoo.com
In memory of Dale Earnhardt, I'll miss cheering for that black #3 on raceday!!!

 

IROCZ88
What Iam doing is putting a 350 in, using the 305 TPI system and I found out the Ist 22#
injector will not fit my fuel rail. Now using
the 2nd 22# which will fit, however they are big bucks. Now it will work. Why does GM have two different injectors?? Its cost me
time & money. Enough said.

 

Get a set of Accel 22# injectors - they cost way less than OEM ones - probably about 1/3 as much.

http://www.cruzinperformance.com/repinjectors.html has them for $230 for the entire set.
I ordered a set, but they haven't come in yet. WHen they do, I will let ya know how well they go with my new Accel LTR's and intake.

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89 Firebird Formula
WS6 package,ZZ4 Crate engine
SLP 58MM TB, Edelbrock TES Headers
Random Tech 3" cat, SLP 3" stainless exhaust
9 bolt rear, Hotchiss swing arms, Lakewood panhard rod
Corvette 2/4 servo, kevlar band, full poly rear.
Centerline 16x8 rims, B.F Goodrich drag radials