350 roller motor .. can ya use a mechanical fuel pump??

[skipperman]

1990 350 chev roller motor....is it possible to use a regular mechanical fuel pump on it ?? does it have a lobe on the cam to drive it ? if so...I need the pushrod and pump and I'm good ---yes?? No ??(motor has a block-off plate on it ..)

thanks, Jersey skip

[John Copeland]

Shouldn't be any reason you couldn't run a stock mechanical fuel pump.

john

[RileyRacing]

My 88 305 has not only a block off plate, but the hole is "plugged" where the mechanical pump would go. By plugged, I mean the casting was never taken out. If you have a hole in that spot, by all means, use a mechanical fuel pump there.

Jay

[McGrath]

Mine is a 1990 350 with the roller cam. I run a Mechanical pump on it.

[Bruce Lancaster]

There is a possible issue of pushrod material compatibility with the roller cam. Someone, I believe Crane, offers a pushrod for this combo. The roller can 350's I have, running from '86 -90, all seem to have the proper openings and a cam lobe there. I think there may have been some roller cam Camaros and Caprices with mechanical pumps in the first year or two of the new block, but I'm not certain of that.

[burger]

I get giddy thinking about 350 roller engines. Not to steal this thread, but what years/models would I find one of these in at the junkyard?

Thanks,
Ed

[McGrath]

"I get giddy thinking about 350 roller engines. Not to steal this thread, but what years/models would I find one of these in at the junkyard?"

Late 80's/early 90's Vettes and Police Caprice's had them. Maybe Impala's too.

I had to change the Distributor Gear to make my older HEI compatable with the roller cam. Mine was a GM part, but I think thats what the Bronze aftermarket gears are for too.

[burger]

[ QUOTE ]
Late 80's/early 90's Vettes and Police Caprice's had them. Maybe Impala's too.

I had to change the Distributor Gear to make my older HEI compatable with the roller cam. Mine was a GM part, but I think thats what the Bronze aftermarket gears are for too.

[/ QUOTE ]

What about Camaros and Formula 350's?

[Deuce Roadster]

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All of the ZZ series of 350 HO crate engines (ZZZ, ZZ1, ZZ2, ZZ3, ZZ4 and the ZZ430) are roller cammed. Almost everyone uses a mechcanical pump on them .....Myself included. No problems with the fuel pump pushrod on the roller camshaft.


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