HELP! TPI/400 small block - The 1947 - Present Chevrolet & GMC Truck Message Board Network

71Blazer · 04-14-2002, 08:45 PM

I've just discovered my 71 Blazer has a 400 SB. Previous owner said 350 but the casting numbers indicate a 400 built in Flint between 1973-80 (that narrows it down :|) My trouble is I've purchased a complete TPI system under the belief that I had a 350. WILL IT FIT????!!! Or am I screwed? Live and learn...

Low69CST · 04-14-2002, 08:59 PM

It will fit. Just compare it to intakes, all small block intakes will fit any small block with 87 and older heads. So, yes it should fit.

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'69 CST Short fleetside
Lowered, 400 small block, 700R4, 3" dual exhaust, 40 series Flowmasters, 4 wheel disc brakes, all stainless hard and flex lines, front & rear sway bars, Dana 9 1/4" rear end 4.11's w/Detroit Locker, soon to have 18" rims
Not my daily driver. More like my weekend A$$ KICKER.
See my truck at: http://www.geocities.com/low69cst/
Future Automotive Engineer attending the University of Kentucky.
Feel free to message me on AOL, SN- SS95ZQ8
My Dad's projects:
72 Short Fleet 4x4 Chyenne Super
72 Long Fleet 4x4 Chyenne Super
Both 350 autos restored original

Longhorn Man · 04-14-2002, 09:24 PM

And if it is a stock motor, the injectors will be ok.

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'69 G.M.C. 350/350. Trying to clean up the left over damage from the Dope-Smokin-Old-Man
I've been dubbed the Longhorn Freak/Fanatic/Expert, I just hope I can live up to it.
FINALLY got the HORNIAC...a '70 one ton Longhorn with a Pontiac 350/350 and lots of 'personality'. Check out The Longhorn Webite.
If you need a pic posted, E-mail me at longhornmail@yahoo.com
Andy, in Columbus Ohio

04-14-2002, 08:45 PM	#1
71Blazer Goodbye Darlin' Join Date: Nov 2001 Location: Coupeville, WA USA Posts: 330	HELP! TPI/400 small block I've just discovered my 71 Blazer has a 400 SB. Previous owner said 350 but the casting numbers indicate a 400 built in Flint between 1973-80 (that narrows it down :\|) My trouble is I've purchased a complete TPI system under the belief that I had a 350. WILL IT FIT????!!! Or am I screwed? Live and learn... __________________ 1971 Blazer CST SOLD!

04-14-2002, 08:59 PM	#2
Low69CST Registered User Join Date: May 2000 Location: Frankfort, Kentucky, USA Posts: 2,163	It will fit. Just compare it to intakes, all small block intakes will fit any small block with 87 and older heads. So, yes it should fit. ------------------ '69 CST Short fleetside Lowered, 400 small block, 700R4, 3" dual exhaust, 40 series Flowmasters, 4 wheel disc brakes, all stainless hard and flex lines, front & rear sway bars, Dana 9 1/4" rear end 4.11's w/Detroit Locker, soon to have 18" rims Not my daily driver. More like my weekend A$$ KICKER. See my truck at: http://www.geocities.com/low69cst/ Future Automotive Engineer attending the University of Kentucky. Feel free to message me on AOL, SN- SS95ZQ8 My Dad's projects: 72 Short Fleet 4x4 Chyenne Super 72 Long Fleet 4x4 Chyenne Super Both 350 autos restored original __________________ '69 CST Short fleetside Lowered, 400 small block, 700R4, 4 wheel disc brakes, front sway bar & rear camaro sway bar (in progress) '87 V10 4x4 Short Fleetside Quad Suspension and Dual Tanks

04-14-2002, 09:24 PM	#3
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,693	And if it is a stock motor, the injectors will be ok. ------------------ '69 G.M.C. 350/350. Trying to clean up the left over damage from the Dope-Smokin-Old-Man I've been dubbed the Longhorn Freak/Fanatic/Expert, I just hope I can live up to it. FINALLY got the HORNIAC...a '70 one ton Longhorn with a Pontiac 350/350 and lots of 'personality'. Check out The Longhorn Webite. If you need a pic posted, E-mail me at longhornmail@yahoo.com Andy, in Columbus Ohio



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