tpi question
06-25-2011, 04:53 PM
#1
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tpi question
hey guys. quick question. it may be a dumb one but Will a tpi engine from an 89 firebird fit in my 87 corvette? i was thinking it should, its basically the same engine. thanx
06-25-2011, 05:13 PM
#2
Supporting Vendor
If they are both l98 engines they will but the fuel rails have the inlet on the opposite side and there is no cold start valve on the 89. Switch the whole tpi from the vette.
06-25-2011, 10:22 PM
#4
Supporting Vendor
06-26-2011, 12:20 AM
#5
Race Director
In an email to me, he was looking for an engine block. I'm pretty sure he's got internals to put into it. And, I believe a 305 uses the same block with a shorter piston stroke, right?
06-26-2011, 12:28 AM
#6
305 & 350 have the same stroke... the 305 STD pistons are 3.736
PS non vette blocks are 2 bolt mains...
yicks Vette L98 got robbed...
PS non vette blocks are 2 bolt mains...
yicks Vette L98 got robbed...
Last edited by THE 383 admiral; 06-27-2011 at 08:21 AM.
06-26-2011, 04:04 PM
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its actually a 383 stroker, and i was just making sure it would fit. its got the tpi cast iron heads with a tpi aluminum intake, scat crank, etc. i figures i would take my vette tpi and put it on that intake. later down the road i plan on adding some nice aluminum heads(AFR or edlebrock) and miniram. im just looking forward to driving it.lol
06-27-2011, 12:47 AM
#9
Race Director
Find out the block casting #. Mine (and other 1-pc RMS setups) are a 638. That includes both 2-bolt and 4-bolt main caps. I agree TPI vettes came with 2-bolt setup -- just like F-bodies.
The guys here will know the block ID for iron headed years. I'm betting that will be a 2-pc RMS. OTOH, someone building a 383 MIGHT have used a 4-bolt. Or they might have built a poor-man's 383 with a 400ci RA.
Also, are you saying someone was running a 383 with the stock TPI intake? Interesting....
How many miles on the rebuild? What do you know about it?
The guys here will know the block ID for iron headed years. I'm betting that will be a 2-pc RMS. OTOH, someone building a 383 MIGHT have used a 4-bolt. Or they might have built a poor-man's 383 with a 400ci RA.
Also, are you saying someone was running a 383 with the stock TPI intake? Interesting....
How many miles on the rebuild? What do you know about it?
Last edited by GREGGPENN; 06-27-2011 at 12:53 AM.
06-27-2011, 07:54 PM
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its a 4 bolt main..9.5:1 compression. 3.750 scat crank. 5.7 arp rods. the cast iron heads, the comp performance roller cam, basically everything were built to run good with tpi. i figure it would be a nice street machine..and not radical enough to have to upgrade to custom chip. throw some nice flowing slp runners on tpi intake, possible bbk throttle body and drive it. 
06-27-2011, 08:47 PM
#11
Race Director
its a 4 bolt main..9.5:1 compression. 3.750 scat crank. 5.7 arp rods. the cast iron heads, the comp performance roller cam, basically everything were built to run good with tpi. i figure it would be a nice street machine..and not radical enough to have to upgrade to custom chip.
Sounds like a great replacement.